OEM OPM223 User manual

BA194e/00/07.09/
71106576
valid as of:
Software-version 2.50
Operating Instructions
OPM223/253
Transmitter for pH and ORP

OPM223/253
3
Table of contents
1 Safety instructions . . . . . . . . . . . . .4
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Installation, commissioning and operation . . 4
1.3 Operational safety . . . . . . . . . . . . . . . . . . . . 4
1.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.5 Notes on safety icons and symbols . . . . . . . 5
2 Identification . . . . . . . . . . . . . . . . . .6
2.1 Device designation . . . . . . . . . . . . . . . . . . . 6
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . 7
2.3 Certificates and approvals . . . . . . . . . . . . . . 7
3 Installation . . . . . . . . . . . . . . . . . . . .8
3.1 Quick installation guide . . . . . . . . . . . . . . . . 8
3.2 Incoming acceptance, transport, storage . . . 9
3.3 Installation conditions . . . . . . . . . . . . . . . . . 9
3.4 Installation instructions . . . . . . . . . . . . . . . 11
3.5 Post-installation check . . . . . . . . . . . . . . . . 14
4 Wiring . . . . . . . . . . . . . . . . . . . . . . .15
4.1 Electrical connection . . . . . . . . . . . . . . . . . 16
4.2 Alarm contact . . . . . . . . . . . . . . . . . . . . . . . 22
4.3 Post-connection check . . . . . . . . . . . . . . . . 22
5 Operation . . . . . . . . . . . . . . . . . . . .23
5.1 Quick operation guide . . . . . . . . . . . . . . . . 23
5.2 Display and operating elements . . . . . . . . 23
5.3 Local Operation . . . . . . . . . . . . . . . . . . . . . 27
5.4 System configuration . . . . . . . . . . . . . . . . . 30
5.5 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . 59
6 Commissioning . . . . . . . . . . . . . . .65
6.1 Things to note when commissioning
ISFET sensors . . . . . . . . . . . . . . . . . . . . . . 65
6.2 Function check . . . . . . . . . . . . . . . . . . . . . . 65
6.3 Switching on . . . . . . . . . . . . . . . . . . . . . . . 65
6.4 Quick start-up . . . . . . . . . . . . . . . . . . . . . . 67
7 Maintenance. . . . . . . . . . . . . . . . . .69
7.1 Maintenance transmitter . . . . . . . . . . . . . . 69
7.2 Maintenance of the entire measuring point 71
7.3 "Optoscope" service tool . . . . . . . . . . . . . . 73
8 Accessories. . . . . . . . . . . . . . . . . . 74
8.1 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . 74
8.2 Connection accessories . . . . . . . . . . . . . . 74
8.3 Mounting accessories . . . . . . . . . . . . . . . . 75
8.4 Assemblies . . . . . . . . . . . . . . . . . . . . . . . . 76
8.5 Software and hardware add-ons . . . . . . . 77
8.6 Calibration solutions . . . . . . . . . . . . . . . . . 77
8.7 Optoscope . . . . . . . . . . . . . . . . . . . . . . . . 77
9 Trouble-shooting. . . . . . . . . . . . . . 78
9.1 Trouble-shooting instructions . . . . . . . . . . 78
9.2 System error messages . . . . . . . . . . . . . . 78
9.3 Process specific errors . . . . . . . . . . . . . . . 81
9.4 Instrument specific errors . . . . . . . . . . . . . 84
9.5 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . 86
9.6 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
9.7 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . 91
10 Technical data . . . . . . . . . . . . . . . . 92
10.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
10.2 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
10.3 Power supply . . . . . . . . . . . . . . . . . . . . . . 93
10.4 Environment . . . . . . . . . . . . . . . . . . . . . . . 93
10.5 Performance characteristics . . . . . . . . . . . 94
10.6 Mechanical construction . . . . . . . . . . . . . . 94
11 Appendix . . . . . . . . . . . . . . . . . . . . 96
Index. . . . . . . . . . . . . . . . . . . . . . . 101

Safety instructions OPM223/253
4
1 Safety instructions
1.1 Designated use
OPM223/253 is a transmitter for determining the pH value and/or ORP.
The transmitter is particularly suited for use in the following areas:
• Chemical industry
• Pharmaceutical industry
• Food industry
• Drinking water treatment
• Condensate treatment
• Municipal sewage treatment plants
• Water treatment
• Electroplating
Any other use than the one described here compromises the safety of persons and the entire
measuring system and is, therefore, not permitted.
The manufacturer is not liable for damage caused by improper or non-designated use.
1.2 Installation, commissioning and operation
Please note the following items:
• Installation, electrical connection, commissioning, operation and maintenance of the
measuring system must only be carried out by trained technical personnel.
The technical personnel must be authorised for the specified activities by the system
operator.
• Technical personnel must have read and understood these Operating Instructions and must
adhere to them.
• Before commissioning the entire measuring point, check all the connections for
correctness. Ensure that electrical cables and hose connections are not damaged.
• Do not operate damaged products and secure them against unintentional
commissioning. Mark the damaged product as being defective.
• Measuring point faults may only be rectified by authorised and specially trained
personnel.
• If faults can not be rectified, the products must be taken out of service and secured against
unintentional commissioning.
• Repairs not described in these Operating Instructions may only be carried out at the
manufacturer’s or by the service organisation.
1.3 Operational safety
The transmitter has been designed and tested according to the state of the art and left the
factory in perfect functioning order.
Relevant regulations and European standards have been met.
As the user, you are responsible for complying with the following safety conditions:
• Installation instructions
• Local prevailing standards and regulations.
Ex systems have an additional Ex documentation which is part of the Operating Instructions
(see also chapter "Scope of delivery").

OPM223/253 Safety instructions
5
EMC
This instrument has been tested for electromagnetic compatibility in industrial use according
to applicable European standards.
Protection against interference as specified above is valid only for an instrument
connected according to the instructions in these Operating Instructions.
1.4 Return
If the transmitter has to be repaired, please return it cleaned to the sales centre responsible.
Please use the original packaging, if possible.
1.5 Notes on safety icons and symbols
Safety icons
Electrical symbols
#
Warning!
This symbol alerts you to hazards. They can cause serious damage to the instrument or
to persons if ignored.
"
Caution!
This symbol alerts you to possible faults which could arise from incorrect operation. They
could cause damage to the instrument if ignored.
!Note!
This symbol indicates important items of information.
%Direct Current (DC)
A terminal at which DC is applied or through which DC flows.
&Alternating Current (AC)
A terminal at which (sine-form) AC is applied or through which AC flows.
)
Ground connecting
A terminal, which, from the user’s point of view, is already grounded using a grounding
system.
*Protective earth terminal
A terminal which must be grounded before other connections may be set up.
bAlarm relay
Input
Output
DC voltage source
Temperature sensor

Identification OPM223/253
6
2 Identification
2.1 Device designation
2.1.1 Product structure
2.1.2 Additional functions of the Plus Package
• Current output table to cover large areas with varying resolution
• Monitoring of sensor and process for safe operation
• Neutralisation controller to keep pH value constant by dosing acid and alkali
• Automatic cleaning function start
Sensor input; software
IS pH (glass/ISFET) / ORP; Plus package
PR pH (glass)/ORP; basic version
PS pH (glass)/ORP; Plus package
Power supply; approval
0 230 V AC
1 115 V AC
2 230 V AC; CSA Gen. Purp.
3 115 V AC; CSA Gen. Purp.
4 230 V AC; ATEX II 3G [EEx nAL] IIC
5 100 V AC
6 24 V AC/DC; ATEX II 3G [EEx nAL] IIC for OPM223, EEx nA[L] IIC T4 for OPM253
7 24 V AC; CSA Gen. Purp.
824VAC/DC
Output
0 1 x 20 mA, pH/ORP
1 2 x 20 mA, pH/ORP + selectable
Additional contacts; analogue input
05 not selected
10 2 x relay (limit/P(ID)/timer)
15 4 x relay (limit/P(ID)/Chemoclean)
16 4 x relay (limit/P(ID)/timer)
20 2 x relay (limit/P(ID)/timer); 20 mA
25 4 x relay (limit/P(ID)/Chemoclean); 20 mA
26 4 x relay (limit/P(ID)/timer); 20 mA
OPM253-
complete order code
OPM223-

OPM223/253 Identification
7
2.2 Scope of delivery
The delivery of the field instrument includes:
• 1 transmitter OPM253
• 1 plug-in screw terminal
• 1 cable gland Pg 7
• 1 cable gland Pg 16 reduced
• 2 cable glands Pg 13.5
• 1 operating instructions BA194e00
• versions with explosion protection for hazardous area zone II (ATEX II 3G):
Safety instructions for use in explosion-hazardous areas, XA194a300
The delivery of the panel mounted instrument includes:
• 1 transmitter OPM223
• 1 set of plug-in screw terminals
• 2 tensioning screws
• 1 BNC-plug (solder-free)
• 1 operating instructions BA194e00
• versions with explosion protection for hazardous area zone II (ATEX II 3G):
Safety instructions for use in explosion-hazardous areas, XA194a300
If you have any questions, please contact your supplier or your sales centre responsible .
2.3 Certificates and approvals
Declaration of conformity
The product meets the legal requirements of the harmonised European standards.
The manufacturer confirms compliance with the standards by affixing the 4symbol.
Explosion protection for Zone 2
OPM253-..6... ATEX II 3G EEx nA[L] IIC T4
OPM253-..4...
OPM223-..4...
OPM223-..6...
ATEX II 3G [EEx nAL] IIC

Installation OPM223/253
8
3 Installation
3.1 Quick installation guide
#Warning!
If the measuring point or parts of the measuring point are in explosion-hazardous areas you
have to follow the "Safety instructions for electrical apparatus certified for use in explosion-
hazardous areas". These instructions (XA194a300) are part of the scope of delivery.
Proceed as follows to completely install the measuring point:
• Install the transmitter (see "Installation instructions" section).
• If the sensor is not yet installed in the measuring point, install it (see Technical Information
of the sensor).
• Connect the sensor to the transmitter as illustrated in the "Electrical connection" section.
• Connect the transmitter as illustrated in the "Electrical connection" section.
• Commission the transmitter as explained in the "Commissioning" section.
3.1.1 Measuring system
A complete measuring systems comprises:
• The transmitter OPM223 or OPM253
• A pH/ORP electrode with or without an integrated temperature sensor
• An immersible, flow or retractable assembly
• A measuring cable(e.g. OPK9)
Options: extension cable, junction box VBA or VBM
C07-OPM2x3xx-14-06-00-xx-001.eps
Fig. 1: Complete measuring system OPM223/253
1
2
3
4
5
Flow assembly OPA250
Junction box VBA
Transmitter OPM253
Measuring cable e.g. OPK9
Transmitter OPM223
6
7
8
9
Retractable assembly OPA450
Electrode, e.g OPS11
Immersion assembly OPA111
Extension cable
CAL REL
REL1
REL1
ALARM
REL2
REL2
E
CAL REL
REL1
REL1
ALARM
REL2
REL2
E
123
4
5
6
7
8
4
9

OPM223/253 Installation
9
3.2 Incoming acceptance, transport, storage
• Make sure the packaging is undamaged!
Inform the supplier about damage to the packaging.
Keep the damaged packaging until the matter has been settled.
• Make sure the contents are undamaged!
Inform the supplier about damage to the delivery contents.
Keep the damaged products until the matter has been settled.
• Check that the scope of delivery is complete and agrees with your order and the
shipping documents.
• The packaging material used to store or to transport the product must provide shock
protection and humidity protection. The original packaging offers the best protection. Also,
keep to the approved ambient conditions (see "Technical data").
• If you have any questions, please contact your supplier or your sales centre responsible.
3.3 Installation conditions
3.3.1 Field instrument
C07-OxM253xx-06-06-00-en-001.EPS
Fig. 2: Field instrument
!Note!
There is a hole in the punching for the cable entry (connection of supply voltage). It serves as
a pressure balance during air freight dispatching. Make sure no moisture penetrates the inside
of the housing before the cable installation. The housing is completely air-tight after the cable
installation.
CAL REL
REL 1
REL 1
ALARM
REL 2
REL 2
E
Pg 7
Pg 16
M 5
11/
0.43
Ø 6 /
Ø 0.24
115 / 4.53
157 / 6.18
247 / 9.72
70 / 2.76
70 / 2.76
154 / 6.06
170 / 6.69
mm / inch
Pg 13.5

Installation OPM223/253
10
3.3.2 Panel-mounted instrument
C07-OxM223xx-06-06-00-en-001.EPS
Fig. 4: Panel-mounted instrument
C07-OxM253xx-11-06-00-xx-001.eps
Fig. 3: View into the field housing
1
2
3
4
Removable electronics box
Partition plate
Terminals
Fuse
1
2
3
4
90 / 3.54
139 / 5.47
96 / 3.78
6 /
0.24
mm / inch
92 / 3.62
149.5 / 5.89