Omega CNI32 - Page 2

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The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves

the right to alter specifications without notice.

Servicing North America:

U.S.A. Omega Engineering, Inc.

Headquarters: 800 Connecticut Ave. Suite 5N01, Norwalk, CT 06854

Toll-Free: 1-800-826-6342 (USA & Canada only)

Customer Service: 1-800-622-2378 (USA & Canada only)

Engineering Service: 1-800-872-9436 (USA & Canada only)

Tel: (203) 359-1660 Fax: (203) 359-7700

e-mail: info@omega.com

For Other Locations Visit omega.com/worldwide

omega.com info@omega.com

Main Page

Table of Contents3
Part 1: Introduction6
Description6
Safety Considerations7
Before You Begin8
Part 2: Setup9
Front Panel View9
Figure 2.1 Front Panel Display9
Table 2.1 Front Panel Annunciators9
Rear Panel Connections10
Figure 2.2 Rear Panel Power and Output Connector Labels10
Figure 2.3 Rear Panel Input Connector Labels10
Table 2.2 Rear Panel Connector10
Electrical Installation11
Power Connections11
Figure 2.4 Main Power Connections11
Table 2.3 Power Connections11
Thermocouple - Input Connection12
Figure 2.5 Thermocouple Wiring Hookup12
Table 2.4 TC Wire Color Chart12
Two / Three / Four Wire RTD-Hookups13
Figure 2.6 Two/Three/Four-Wire RTD Wiring Hookup A) RTD-1000 Ohm/Rtd-500 Ohm13
Process Current - Wiring Hookup14
Process Voltage - Wiring Hookup14
Figure 2.7 Process Current Wiring Hookup (Internal and External Excitation)14
Figure 2.8 Process Voltage Wiring Hookup A) with Sensor Excitation14
Wiring Outputs - Wiring Hookup15
Figure 2.9 Output Wiring Hookup A) Mechanical Relay and SSR Outputs15
B) Pulse and Analog Outputs15
Figure 2.10 Communication Output Wiring Hookup A) RS-232 Output15
Figure 2.11 Excitation Output15
Part 3: Operation: Configuration Mode16
Introduction16
Table 3.1 Button Function in Configuration Mode16
Menu Configuration17
Figure 3.1 Flow Chart for ID and Setpoints17
ID Number18
Setpoints19
Configuration Menu20
Figure 3.2 Flow Chart for Configuration Menu20
Input Type Menu21
Input Type (Thermocouple)21
Figure 3.3 Flow Chart for Input Type Menu21
Input Type (RTD)22
Input Type (Process)23
Reading Configuration Menu24
Figure 3.4 Flow Chart for Reading Configuration24
Analog Output for Re-Transmission27
Figure 3.5 Flow Chart for Analog Output Re-Transmission27
Table 3.2 Conversion Table27
Reading Adjust Menu30
Setpoint Deviation Menu/Field Calibration30
Figure 3.6 Flow Chart for Reading Adjust30
Figure 3.7 Flow Chart for Setpoint Deviation/Field Calibration30
Alarm 1 Menu32
Figure 3.8 Flow Chart for Alarm 132
Alarm 2 Menu33
Figure 3.9 Flow Chart for Alarm 233
ID Code Menu34
Figure 3.10 Flow Chart for ID Code34
Communication (Options) Menu36
Figure 3.11 Flow Chart for Communication Option36
Display Color Selection Menu43
Figure 3.12 Flow Chart for Display Color Selection43
Part 4: Specifications45
Table 4.1 Input Properties47
Table 5.1 Factory Preset Values48
Part 5: Factory Preset Values49
Ce Approval Information50

Omega CNI32 - Page 2

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