Omega CNI8 User Manual

LIST OF FIGURES:

Figure 2.1

Front Panel Display ..............................................................................5

Figure 2.2

Rear Panel Power and Output Connector Labels..............................6

Figure 2.3

Rear Panel Input Connector Labels....................................................6

Figure 2.4

Main Power Connections.....................................................................7

Figure 2.5

Thermocouple Wiring Hookup ............................................................8

Figure 2.6

Two/Three/Four-wire RTD
a) RTD-1000 ohm and 500 ohm Wiring Hookup ..............................9
b) RTD-100 ohm Wiring Hookup .......................................................9

Figure 2.7

Process Current Wiring Hookup
(Internal and External Excitation) .....................................................10

Figure 2.8

Process Voltage Wiring Hookup
a) Without Sensor Excitation ..........................................................10
b) With Sensor Excitation ................................................................10

Figure 2.9

Output Connections:
a) Mechanical Relay and SSR Outputs – Wiring Hook up ............11
b) Pulse and Analog Outputs – Wiring Hook up............................11

Figure 2.10

Typical Application .............................................................................11

Figure 2.11

Communication Output:
a) RS-232 Output – Wiring Hook up ...............................................12
b) RS-485 Output – Wiring Hook up ...............................................12

Figure 2.12

Excitation Output................................................................................12

Figure 2.13

Snubber Circuits Wiring Hookup ......................................................12

Figure 2.14

i/8DH and i/8DV Locations of S1 and Jumper Positions ................13

Figure 2.15

i/16D Location of S1 and Jumper Positions ....................................13

Figure 3.1

Flow Chart for ID and Setpoints........................................................15

Figure 3.2

Flow Chart for Configuration Menu ..................................................18

Figure 3.3

Flow Chart for Input Type Menu........................................................18

Figure 3.4

Flow Chart for Reading Configuration .............................................21

Figure 3.5

Flow Chart for Alarm 1 .......................................................................25

Figure 3.6

Flow Chart for Analog Output (Retransmission) .............................29

Figure 3.7

Flow Chart for Alarm 2 .......................................................................32

Figure 3.8

Flow Chart for Loop Break Time/Field Calibration..........................33

Figure 3.9

Flow Chart for Output 1 .....................................................................35

Figure 3.10

Flow Chart for Output 2 .....................................................................42

Figure 3.11

Flow Chart for Ramp and Soak .........................................................45

Figure 3.12

Flow Chart for ID Code.......................................................................47

Figure 3.13

Flow Chart for Communication Option ............................................49

Figure 3.14

Flow Chart for Display Color Selection ............................................55

LIST OF TABLES:

Table 2.1

Front Panel Annunciators....................................................................5

Table 2.2

Rear Panel Connector ..........................................................................6

Table 2.3

Fuse Requirement ................................................................................7

Table 2.4

TC Wire Color Chart .............................................................................8

Table 3.1

Button Function in Configuration Mode...........................................14

Table 3.2

Conversion Table................................................................................24

Table 4.1

Input Properties ..................................................................................61

Table 5.1

Factory Preset Values ........................................................................62