Hach ORBISPHERE 366 Series Basic User Manual

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Basic User Manual

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ORBISPHERE Model 366x
ATEX
03/2020, Edition 8
Basic User Manual
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Table of Contents
English..............................................................................................................................3
Deutsch.......................................................................................................................... 30
Italiano............................................................................................................................ 61
Français......................................................................................................................... 91
Español........................................................................................................................ 120
Čeština......................................................................................................................... 150
Dansk............................................................................................................................178
Nederlands................................................................................................................. 206
Српски......................................................................................................................... 236
Русский........................................................................................................................265
Magyar......................................................................................................................... 296
2
Table of Contents
1 Specifications on page 3
2 Expanded manual version on page 5
3 General information on page 5
4 Installation on page 10
5 Operating instructions on page 20
6 ATEX 3660 operating software on page 22
7 Calibration on page 25
8 Troubleshooting on page 28
Section 1 Specifications
Specifications are subject to change without notice.
1.1 Instrument specifications
Specification Details
Intrinsic safety certification 3660EX
LCIE 03 ATEX 6354 X II (1)/1 G EX [ia Ga] ia IIC T6 Ga
Intrinsic safety certification 3662EX
LCIE 03 ATEX 6004 X II 1 G EX ia IIC T4 Ga
Power requirements 3660EX 95 -130 VAC @ 50/60 Hz; 207-253 VAC @ 50/60 Hz
Power requirements 3662EX 6.5 - 13.5 VDC @ 50 mA maximum current; 20 mA current output
via safety barrier
Power consumption 3660EX 20 VA
Power consumption 3662EX 0.8 W
Serial output 3660EX (safe area) RS-232 or RS-485: Baud rate: 9600; Stop Bit: 1; Start Bit: 0; Parity:
None
Serial output 3662EX (safe area) RS-485: Baud rate: 9600; Stop Bit: 1; Start Bit: 0; Parity: None
Current output, safe area (3660EX only) 0–20 mA or 4–20 mA, isolated, Rmax = 500 Ω
Current output 3660EX (hazardous area) 0–20 mA or 4–20 mA, non-isolated, Rmax = 350 Ω, short circuit
current limited to 150 mA
Current output 3662EX (hazardous area) 0–20 mA or 4–20 mA, non-isolated, Rmax = 100 Ω, short circuit
current limited to 212 mA
Voltage output (hazardous area) 3662EX
only
0–2 V, non-isolated, Rmin = 100 kΩ
Alarm relays (safe area) 3660EX only High and Low relays, NO and NC contacts, rating:
Current: 2A; Voltage: 125 V; Power: 50 W / 50 VA; Hysteresis: ±1%
of high or low limit
System relay NO and NC contacts rating: Current: 2A; Voltage: 125 V; Power:
50 W / 50 VA
Operating limits 0 to 45 °C
Dimensions (W x H x D) 200 mm x 200 mm x 90 mm
Weight 2.5 kg
Enclosure rating IP 65 / NEMA 4, all stainless steel
EMC requirements (3660EX & 3662EX) EN 61326
Exproof requirements (3660EX and
3662EX)
EN 60079-0; EN 60079-11
English 3
1.2 Customer supplied cable requirements
"Safe" area analog output, alarm output, and RS-232 or RS-485 cables are "control" cables (that is,
not power cables). They must be shielded cables that meet the specifications below:
Table 1 Safe area analog and alarm output cable
External diameter ≥ 4 mm; ≤ 6 mm
Wire (core) area 0.14–0.25 mm
2
(26–24 AWG)
Insulation PVC
Nominal voltage 250 V
Absolute maximum voltage 1200 V
Absolute maximum current 1.5–2.5 A
Wire resistance 70–140 Ω/km
Capacitance @ 800 Hz wire: 100 pF/m; screen: 240 pF/m
Table 2 Hazardous area analog recorder output and RS-485 cable
Maximum length 1000 m
Number of wires 2 (twisted cable for RS-485)
External diameter 6.5 mm max
Wire (core) area 0.5 mm
2
(20 AWG) or more
Insulation PVC
Nominal voltage 250 V
Absolute maximum voltage 1200 V
Absolute maximum current 6 A
Wire resistance 39 Ω/km or less
Capacitance @ 800 Hz wire: 150 pF/m or less; screen: 290 pF/m or less
Table 3 Power cable
Number of wires 3-wire (live, neutral and earth)
External diameter ≥ 6 mm; ≤ 10.5 mm
Wire (core) area ≥ 1 mm
2
, AWG18; ≤ 2.5 mm
2
, AWG14
Table 4 External pressure sensor cable
External diameter ≥ 4 mm; ≤ 6 mm
1.3 Instrument configurations
Model Gas Phase Concentration units
366x EX / 1xx O
2
* Dissolved ppb/ppm; ppm; mg/L
Gaseous Pa/kPa; mbar/bar; %; % sat; ppm/%
366x EX / 2xx H
2
Dissolved ppb/ppm; cc/kg
Gaseous Pa/kPa; mbar/bar; %
4 English
Model Gas Phase Concentration units
366x EX / 3xx O
3
Dissolved ppb/ppm; ppm
* = CO2 and H2S insensitive options available.
Note: Temperature units are available in Centigrade [°C] or Fahrenheit [°F] on all models.
Section 2 Expanded manual version
For additional information, refer to the expanded version of this manual, which is available on the
manufacturer's website.
Section 3 General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer’s website.
3.1 Safety information
N O T I C E
The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,
without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent
permitted under applicable law. The user is solely responsible to identify critical application risks and install
appropriate mechanisms to protect processes during a possible equipment malfunction.
Please read this entire manual before unpacking, setting up or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious injury to the
operator or damage to the equipment.
Make sure that the protection provided by this equipment is not impaired. Do not use or install this
equipment in any manner other than that specified in this manual.
3.2 Use of hazard information
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.
W A R N I N G
Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious
injury.
C A U T I O N
Indicates a potentially hazardous situation that may result in minor or moderate injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special
emphasis.
English 5
3.3 Precautionary labels
Read all labels and tags attached to the instrument. Personal injury or damage to the instrument
could occur if not observed. A symbol on the instrument is referenced in the manual with a
precautionary statement.
This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential
injury. If on the instrument, refer to the instruction manual for operation or safety information.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and
indicates that care must be taken to prevent damage with the equipment.
This symbol, when noted on a product, indicates the instrument is connected to alternate current.
Electrical equipment marked with this symbol may not be disposed of in European domestic or
public disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no
charge to the user.
Products marked with this symbol indicates that the product contains toxic or hazardous substances
or elements. The number inside the symbol indicates the environmental protection use period in
years.
Products marked with this symbol indicates that the product must only be used in the safe area and
never in the explosive area.
3.4 Manufacturing standard
Orbisphere 3660EX and 3662EX instruments are manufactured in conformity with the following CE
directives:
Electromagnetic Compatibility Directive
Low Voltage Directive
Equipment or Protective System Intended for Use in Potentially Explosive Atmosphere Directive
The 3660EX / 3662EX instrument complies with all the requirements of the electromagnetic
compatibility standards EN 61326-1, Electrical Equipment for Measurement, Control and Laboratory
Use. The 3662EX does not sustain EN61000-4-5 Tests with safety power supply 32956.C
(24-48 VDC version).
3.5 Intrinsically safe conformity
Orbisphere series 3660EX and 3662EX analyzers for gas measurement have been certified as
Intrinsically Safe by:
LCIE (Laboratoire Central des Industries Electriques), 33 av. Division Leclerc, Fontenay aux
Roses 92260, France.
Note: LCIE is a notified body number 0081 in accordance the European ATEX Directive.
6
English
LCIE certifies that the electrical apparatus has been found to comply with the essential Health and
Safety Requirements: EN 60079-0, EN 60079-11. These instruments are certified as follows:
II (1)/1 G EX [ia Ga] ia IIC T6 Ga under EU type Examination Certificate number LCIE 03 ATEX
6354 X for the 3660EX
II 1 G EX ia IIC T4 Ga under EU type Examination Certificate number LCIE 03 ATEX 6004 X for
the 3662EX
W A R N I N G
3660EX: The instrument is in the safe area and the sensor is in the hazardous area.
3662EX: The instrument and the sensor are in the hazardous area.
Table 5 ATEX Certification
Category Explanation
II (1)/1 G
ATEX marking: Surface apparatus with permanent explosive gas presence. Equipment (sensor)
to be used in the explosive area, and safety device to be used in the safe area.
II 1 G
ATEX marking: Surface apparatus with permanent explosive gas presence. Equipment (sensor)
and safety device to be used in the explosive area.
Ex Explosion-proof apparatus built to the universal standards below:
ia Type of protection: The highest category, based on a safety factor of 1.5 on two faults. No
combination of two faults in the 3660EX/3662EX can produce a spark, or heating, causing ignition
of an explosive atmosphere.
IIC Gas group: Corresponds to the most flammable gases, including hydrogen.
T6 Temperature category: Maximum surface temperature of 85º C.
T4 Temperature category: Maximum surface temperature of 135º C.
Ga Equipment protection level.
English 7
3.6 Product overview
3.6.1 System layouts
Figure 1 3660EX instrument
1 Safe area 5 31xxxE or GA2800 ATEX sensor
(max. cable length: 1000 m)
9 RS-232 or RS-485 output
2 Hazardous area 6 Sample stream 10 Current output
3 3660EX instrument 7 32570E optional external
pressure sensor (max. cable
length: 1000 m)
11 Power supply
4 Current output 8 Alarm output
Figure 2 3662EX instrument
1 Safe area 4 3662EX instrument 7 32570E optional external
pressure sensor (max. cable
length: 1000 m)
2 Hazardous area 5 31xxxE or GA2800 ATEX sensor
(max. cable length: 1000 m)
8 Current and voltage output
3 Safety barrier 6 Sample stream 9 32854: 4/20 mA repeater
8 English
3.6.2 Analog output signal
The analog output signal, representing the measured gas concentration, is available from the
instrument in the ranges from 0 to 20 mA, or in the range from 4 to 20 mA. In addition, the model
3662EX has a second analog output of 0 to 2 Volts. Depending on the instrument model, separate
output connections are available for the "safe" area and for the "hazardous" area.
Scale these outputs between two custom concentration limits. If the lower of these limits is
represented by AL, and the upper one by AH, the relation between the output current I (or voltage V)
and the gas concentration C is as follows:
0 – 20 mA C = AL + (AH - AL) * I/20
4 – 20 mA C = AL + (AH - AL) * (I - 4)/16
0 – 2 Volts C = AL + (AH - AL) * V/2
The analog output saturates at 20 mA (or 2 Volts), or is blocked at 0/4 mA (or 0 Volts) under various
conditions, as summarized below:
Analog output Explanation
0/4 mA (or 0 Volts) Thermal cutoff or below analog output low limit (AL)
0/4 mA (or 0 Volts) < signal < 20 mA Normal operating condition
20 mA (or 2 Volts) Over range, above analog output high limit (AH), or sensor disconnected
3.6.3 Alarm relay output (3660EX only)
There are three separate alarm relay connections on the instrument's output card (NO and NC), for
each alarm limit relay (High and Low), and system (SYST) alarm. The following table lists the
possible alarm conditions.
Conditions Low alarm
NC to Com*
High alarm
NC to Com*
Low alarm
NO to Com*
High alarm
NO to Com*
Alarm syst
NC to Com*
Alarm syst
NO to Com*
Instrument power
switch off
closed closed open open closed open
No alarm:
Low Limit < measured
gas < High Limit
open open closed closed open closed
Low alarm:
measured gas < Low
Limit
closed open open closed open closed
High alarm:
measured gas > High
Limit
open closed closed open open closed
System test closed open
Sensor not connected closed open open closed closed open
Thermal cut off closed open
* Low NC, High NC, Low NO, High NO, and Com identify the alarm relay connections on the instrument's output
card.
Note: The system alarm is turned on when the following situations are met:
Instrument off - Alarm high - Alarm low - Sensor out - Thermal cut off
English
9
Section 4 Installation
W A R N I N G
In accordance with safety standard EN 61010-1, it must be possible to disconnect the power supply of the
3660EX instrument in its immediate vicinity.
W A R N I N G
The installation of a 3660EX or 3662EX instrument should be performed exclusively by personnel specialized and
authorized to work on electrical installations, in accordance with relevant local regulations.
4.1 Installation diagrams
N O T I C E
The ATEX certification for the 3662EX instrument covers only the hazardous area. The customer must verify if a
certificate of conformity is required for the entire installed system, including safety barrier, power supply cable,
and eventually the communication isolator, the 4/20 mA repeater and respective cables.
Figure 3 3660EX installation
1 Safe area 7 Sensor cable (32 514E.mm) 4+shield
2 Hazardous area 8 RS-232 or RS-485
3 0/4–20 mA intr. safe compliance 5 V 9 0/4–20 mA compliance 12 V
4 Sensor cable (32 515E.mm) 10+shield 10 Gas syst. Hi/Lo alarms
5 Sensor head (31xxxE or GA2800 ATEX) 11 Power supply: 95–130 VAC 50/60 Hz;
207–253 VAC 50/60 Hz
6 Optional external pressure sensor (32 570E.wxyz)
10 English
Figure 4 3662EX installation
1 Safe area 7 Optional external pressure sensor (32 570E.wxyz)
2 Hazardous area 8 Sensor cable (32 514E.mm) 4+shield
3 Safety barrier
1
: 32956.A 110–230 VAC; 32956.C
24–48 VDC
9 0/4–20 mA shielded cable, Rload 100 Ohm max.,
compliance 2 V & 0–2V
4 Power supply shielded cable 10 Depending of barrier and cables characteristics
5 Sensor cable (i32 515E.mm) 10+shield 11 Repeater 4/20 mA (32954)
6 Sensor head (31xxxE or GA2800 ATEX)
Note: The 3662EX may be installed with a different configuration and/or accessories.
4.2 Waterproof cable gland fitting
The nickel-plated cable glands are EMC-type, and are designed to ground the cable shield to the
instrument metal case.
1
All the devices below are accessory equipments
English 11
Figure 5 Cable gland fitting
1 Cable 5 O-ring
2 Shield 6 Washers
3 Instrument 7 Gasket
4 Wire 8 Gland nut
1. Unscrew the gland nut. Inside there is a rubber seal, a metal washer with a 8.3 mm hole, and
another metal washer with a 7.5 mm hole.
2. Pass the cable through the nut, the gasket, and the 8.3 mm hole washer.
3. Strip off external insulation as required, and 25 mm of shielding. Strip the wires about 8 mm from
their ends.
4. Pass the cable through the 7.5 mm hole washer.
5. Squeeze the shield between the two washers (see Figure 5).
6. Pass the cable into the box, blocking the cable gland.
7. Tighten the cable gland nut.
8. Strip the wires about 8 mm from their ends.
9. * Solder a 1 mm
2
yellow/green cable on the cable shield end.
10. * Solder a 3 mm eyelet at the end of this cable.
11. * Attach it to the nearest ground screw.
12. Connect the wires in accordance with diagram in this section.
Note: * = only for 3662EX installed inside hazardous area
4.3 Instrument housing
The 3660EX or 3662EX instruments are designed for indoor as well as outdoor use. They are
housed in a watertight, stainless-steel enclosure designed to be installed in the safe or the hazardous
area, depending on model. The instrument case is surface mounted, either to a wall or a process
control panel, by four attachment points. Both instruments case have the same size, same mounting
dimensions and spacing needs (3660EX instrument illustrated).
12
English
Even if the instrument electronics are properly shielded, it is advisable to install the instrument as far
as possible from a possible source of electromagnetic perturbation.
The instrument panel is hinged on the left side, to gain access to keypad, mechanical switches, and
connections. A minimum of 200 mm front clearance is required to open it completely. The front panel
is held close with two screws. It will be necessary to open this panel during operation and installation.
Connections are at the bottom of the instrument. Provide at least a 150 mm bottom clearance for
cable installation.
W A R N I N G
Make sure the power supply is switched off before opening the front panel, changing any jumper settings or
making any connections in the instrument. Before connecting cables inside the instrument, make sure that they
are disconnected from any power supply.
To access the instrument's terminal block connections, open the instrument front panel, and remove
the protection cover by removing the four screws. Carefully set aside the keypad/display panel,
paying attention not to pull on the cable that connects to the power supply and output card.
4.4 Connection diagrams
Figure 6 3660EX instrument (Example is wired RS 485)
1 Connection to "hazardous area": Inside the
instrument, cables to "hazardous area" must never
overlap the "safe area".
7 Current output to hazardous area
2 Connections to "safe area": "Hazardous area"
cables must be shielded up to the connector, then
the shield must be connected to ground.
8 Alarm outputs
3 Shield wire ground 9 Current output to safe area
4 Lemo 10 10 RS-232 or RS-485
5 PG gland 11 115 or 230 VAC (L= Line, N=Neutral)
6 O2, O3 or H2 sensor (hazardous area) 12 PE-Earth
English 13
Figure 7 3660EX instrument with external pressure sensor (Example is wired RS 232)
1 Connection to "hazardous area": Inside the
instrument, cables to "hazardous area" must never
overlap the "safe area".
8 Current output to hazardous area
2 Connections to "safe area": "Hazardous area"
cables must be shielded up to the connector, then
the shield must be connected to ground.
9 External pressure sensor
3 Color code for sensor cable item no. 32514E 10 Current output to safe area and alarm outputs
4 Shield ground 11 RS-232 or RS-485
5 Lemo 10 12 115 or 230 VAC (L= Line, N=Neutral)
6 PG gland 13 PE-Earth
7 O2, O3 or H2 sensor (hazardous area)
14 English
Figure 8 3662EX instrument
1 Connections to "safe area". 6 Current or voltage output
2 "Hazardous area" cables must be shielded up to the
connector, then the shield must be connected to
ground.
7 PG gland
3 Shield ground 8 Power from safety barrier
4 O2, O3 or H2 sensor 9 J11, Filter
5 Lemo 10 10 PE-Earth
English 15
Figure 9 3662EX instrument with external pressure sensor
1 Connections to "safe area". 7 Current or voltage output
2 "Hazardous area" cables must be shielded up to the
connector, then the shield must be connected to
ground.
8 External pressure sensor
3 Shield ground 9 PG gland
4 Color codes for sensor cable item no. 32514E 10 J11, Filter
5 O2, O3 or H2 sensor 11 Power from safety barrier
6 Lemo 10 12 PE-Earth
4.5 Power input connections
C A U T I O N
Make sure that power supply meets the voltage requirement, as shown on the sticker located inside the
instrument.
4.5.1 3660EX AC (in safe area)
AC power connections for the 3660EX instrument is through the left cable gland. Attach the power
wires to the power terminal block J16.
Use a flexible cable of the type H05VV-F 3 X 0.75 mm
2
. The length of the cable should be three
meters maximum, and should have a separable plug (with three connectors, L+N+PE), without a
locking device, to mate with a socket outlet in the building. The cable and plug must conform to local
standard.
L Live (115/230 VAC, 50/60 Hz).
N Neutral.
PE Earth. This connection must be made to the ground screw on the left side of the instrument, using a 4 mm
diameter eyelet.
16 English
4.5.2 3662EX (in hazardous area)
W A R N I N G
The power for the 3662EX instrument in the hazardous area must be provided through a safety barrier from the
safe area with a shielded cable.
The power source comes from the customer’s installation. Connect a safety barrier (model ref.
32956), to the power supply output in the safe area. Maximum cable length allowed from safety
barrier to instrument is 999 m.
DC power connections for the 3662EX instrument are through the left cable gland. Attach the power
wires to the power filter block J11, and the cable shield to a ground screw (see Waterproof cable
gland fitting on page 11).
+ +6.5 to +13.5 VDC (50 mA)
-- Ground.
PE Earth. This connection must be made to the ground screw on the left side of the instrument, using a 4 mm
diameter eyelet.
4.5.3 3662EX power supply cable requirements
The power supply cable from the safety barrier to the 3662EX instrument must meet the following
criteria:
Cable loop maximum resistance, Rc (max) = {(Ug - Ui (min))/ Imax} - Rb where:
Ug = external supply voltage, in safe area
Ui (min) = minimum input voltage of 3662EX = 6.5V (6.5V < Ui < 13.5V)
Rb = internal resistance of safety barrier
Imax = average current of 3662EX (Imax = 0.050A)
Maximum cable capacitance, Cc = Cext - Ceq where:
Cext = maximum permissible capacitance of safety barrier
Ceq = input capacitance of 3662EX (Ceq = 38nF)
Maximum cable inductance, Lc = Lext - Leq where:
Lext = maximum permissible inductance of safety barrier
Leq = input inductance of 3662EX (Leq = 1.92mH)
For example, with the safety barrier (model ref. 32956) and a 24 VDC power supply, the cable
requirement is as follows:
Rb = 226 Ω, Cext = 132 nF, Lext = 4 mH)
Rc (max) = {(24 - 6.5)/ 0.050} - 226 = 124 Ω
Cc = 132 - 38 = 94 nF
Lc = 4 - 1.92 = 2.08 mH
Thus, for a 3662EX instrument installed 999 m. away (or closer) from a ref. 32956 safety barrier, the
cable must have a maximum loop resistance of 124 Ω, maximum capacitance of 94 nF, and
maximum inductance of 2.08 mH.
4.6 Analog and alarm output connections
4.6.1 Analog output and alarm cables in "Safe" area (3660EX)
4.6.1.1 Analog current output
Pass the cable through the cable gland. Attach the applicable output wires to the + and - terminals on
terminal block J18.
English
17
4.6.1.2 Alarm contacts
Pass the cable through the cable gland. Attach the "hot" alarm wire to the applicable “NO" or "NC",
data or system alarm terminal, and the return wire(s) to the "Common" terminal on the terminal block
J19.
4.6.2 Analog output cables in "Hazardous" area
Use shielded wire for these connections. Pass the cable through the cable gland. Solder an insulated
wire to the shield of about 12 cm long, with a 3 mm eyelet at the end. Attach the eyelet to the
appropriate earth (ground) screw inside the box, near the terminal block. The wire inside the box
must be as short as possible and never overlap the safe area (3660EX)
For current output, attach the applicable output wires to the + and - terminals of the "IS Current"
terminal block J20 (3660EX) or J13 (3662EX).
For voltage output, attach the applicable output wires to the + and - terminals of the "IS Voltage"
terminal block J14 (3662EX).
4.7 PC connections
Note: On the PC side, a 9-pin connector is needed. Some PC have a 25-pin connector, thus requiring a 25-to-9-pin
adapter. Make sure the adapter is designed for this purpose and that all nine pins are accessible. Some 25-to-9-pin
adapters are supplied for specific use, such as a mouse, and they may not have all the pins connected.
4.7.1 For 3660EX
PC serial connections uses a custom cable passing through the appropriate gland. For instrument to
PC connections up to 12 meters, a RS-232 cable is adequate. If the distance is greater, use an
RS-485 connection, which can run as long as 1 kilometer without a signal loss.
When using the RS-485 output, the PC requires a separate communications port. Hach Lange can
supply a card (ref. 32907) that can be mounted in a standard 16-bit PCI expansion slot.
4.7.2 For 3662EX
W A R N I N G
A connection from a 3662EX instrument to a PC must only be made when the instrument is located in the safe
area. Never connect the instrument to a PC when the instrument is located in the hazardous area.
A connection from a 3662EX instrument to a PC is required for configuration purposes and should be
done before the physical installation of the instrument in the hazardous area.
If a connection from the instrument to a PC is required after the instrument has been installed in the
hazardous area, disconnect all sensors and any other peripherals from the instrument and then
physically remove the instrument from the hazardous area and place it in the safe area.
When the instrument is in the safe area, connect a PC according to the following diagram:
18
English
Figure 10 PC connections—Safe area
1 Safety barrier
2
: 32596.B 230 VAC; 32956.A
110–230 VAC; 32956.C 24–48 VDC
3 Interface RS-485/RS-232
2 Power supply shielded cable 4 Computer cable (32 538)
Select the serial port command from the Configuration menu to select the communication port
connected to the instrument. The instrument must be connected to the PC port and turned on to get
a port communication. The Serial port configuration dialog box is displayed. Select the applicable
COM port.
Note: On most PC's, the COM1 port is used to connect a mouse, so try COM2 first.
Click OK to initialize the COM port. If the selected port in this dialog box is available, the ATEX
3660 software returns to the main menu. Otherwise, an "RS-232 ERROR" message advises to select
another port.
4.8 Gas sensor
Before making any measurements, for GA2800 sensors perform the preparation procedure in the
GA2X00 Sensor Manual and for other sensors perform the sensor service procedure as described
in the EC Sensor Manual. Gas sensors are supplied pre-wired with a LEMO-10 connector that fits in
the respective instrument socket.
4.9 External pressure sensor (optional)
The optional pressure sensor (ref. 32570E.Bxxx) is located in the hazardous area and connects to
the instrument, using the sensor cable ref. 32514E. Pass the cable through the cable gland. Solder a
6 cm insulated wire to the shield with a 4 mm eyelet at its end. Attach it to an earth (ground) screw
close to the terminal block J2.
4.10 Jumper settings
Access to this setting requires that the front panel is opened and display/keypad set aside to gain
access to the power supply and output card. Install the jumpers in the indicated position for the
required selection.
4.10.1 3660EX current output to safe area
To select the analog current output in the "safe" area for a recorder from a 0-20 mA signal to a
4-20 mA signal, set the jumpers at position J6 and J7 as follows:
2
All the devices below are accessory equipments
English 19
Figure 11 3660EX current output to safe area
1 Jumper setting for 0-20 mA current 2 Jumper setting for 4-20 mA current
4.10.2 3660EX / 3662EX current output to hazardous area
For an analog output to the "hazardous" area, set the jumpers at positions J9 and J10 (3660EX), or
at J5 and J6 (3662EX), as follows:
Figure 12 3660EX / 3662EX current output to hazardous area
1 Jumper setting for 0-20 mA current 2 Hazardous area jumper setting for 4-20 mA current
4.10.3 3660EX RS232 / RS485 communication selection
To switch from RS-232 to RS-485 (or vice versa) in the "safe" area, set the jumpers at positions J12,
J13, and J14 as follows:
Figure 13 3660EX RS232 / RS485 communication selection
1 Jumper setting for RS-232 output 2 Jumper setting for RS-485 output
Section 5 Operating instructions
The 3660EX/3662EX instrument can be operated with or without a PC connected to it, making
measurements as a gas analyzer. Data can be stored in the analyzer, and downloaded later on the
PC for analysis, using the ATEX 3660 software.
20
English
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Hach ORBISPHERE 366 Series Basic User Manual

Tipo
Basic User Manual
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