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CNI8
Omega CNI8 User Manual
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24
Conversion number is a coef
ficient of conversion between input values
and real full display range (10000 counts shown as 9999). See
T
able 3.2
below for proper conversion number
.
T
able 3.2 Conversion T
able
RANGE
CONVERSION NUMBER
100 mV
10000 / (100 x 1) = 100
1 V
10000 / (1000 x 1) = 10
10 V
10000 / (1000 x 10) = 1
0 -20 mA
10000 / (20 x 1) = 500
Example
=
0 - 1 V
=
0 - 100.0
In 1
=
0
Rd 1
=
0
Inp 2
=
9999
Rd 2
=
100.0
27
29
Table of Contents
Table of Contents
3
Part 1: Introduction
6
Description
6
Safety Considerations
7
Before You Begin
8
Part 2: Setup
9
Front Panel
9
Figure 2.1 Front Panel Display
9
Table 2.1 Front Panel Annunciators
9
Rear Panel Connections
10
Figure 2.2 Rear Panel Power and Output Connector Labels
10
Figure 2.3 Rear Panel Input Connector Labels
10
Table 2.2 Rear Panel Connector
10
Electrical Installation
11
Power Connections
11
Figure 2.4 Main Power Connections
11
Table 2.3 Fuse Requirement
11
Figure 2.5 Thermocouple Wiring Hookup
12
Table 2.4 TC Wire Color Chart
12
Thermocouple - Input Connection
12
Two / Three / Four Wire RTD-Hookups
13
Figure 2.6 Two/Three/Four-Wire RTD A) RTD-1000 Ohm and 500 Ohm Wiring Hookup
13
B) RTD-100 Ohm Wiring Hookup
13
Process Current - Wiring Hookup
14
Process Voltage - Wiring Hookup
14
Figure 2.7 Process Current Wiring Hookup (Internal and External Excitation)
14
Figure 2.8 Process Voltage Wiring Hookup A) Without Sensor Excitation
14
Wiring Outputs - Wiring Hookup
15
Figure 2.9 Output Connections: A) Mechanical Relay and SSR Outputs - Wiring Hook up
15
Figure 2.10 Typical Application
15
B) Pulse and Analog Outputs - Wiring Hook up
15
B) RS-485 Output – Wiring Hook up
16
Dual Display Color Setup
17
Figure 2.14 I/8Dh and I/8Dv Locations of S1 and Jumper Positions
17
Figure 2.15 I/16D Location of S1 and Jumper Positions
17
Figure 2.11 Communication Output: A) RS-232 Output - Wiring Hook up
16
Figure 2.12 Excitation Output
16
Figure 2.13 Snubber Circuits Wiring Hookup
16
Part 3: Operation: Configuration Mode
18
Introduction
18
Table 3.1 Button Function in Configuration Mode
18
Menu Configuration
19
Figure 3.1 Flow Chart for ID and Setpoints
19
ID Number
20
Setpoints
21
Configuration Menu
22
Figure 3.2 Flow Chart for Configuration Menu
22
Figure 3.3 Flow Chart for Input Type Menu
22
Input Type (Thermocouple)
23
Input Type (RTD)
24
Input Type (Process)
25
Input Type Menu
22
Figure 3.4 Flow Chart for Reading Configuration
25
Reading Configuration Menu
25
Table 3.2 Conversion Table
28
Alarm 1 Menu
29
Figure 3.5 Flow Chart for Alarm 1
29
Analog Output (Retransmission) Menu
33
Figure 3.6 Flow Chart for Analog Output (Retransmission)
33
Alarm 2 Menu
36
Figure 3.7 Flow Chart for Alarm 2
36
Figure 3.8 Flow Chart for Loop Break Time/Field Calibration
37
Loop Break Time Menu/Field Calibration
37
Figure 3.9 Flow Chart for Output 1
39
Output 1 Menu
40
Figure 3.10 Flow Chart for Output 2
46
Output 2 Menu
46
Figure 3.11 Flow Chart for Ramp and Soak
49
Ramp and Soak Menu
49
Figure 3.12 Flow Chart for ID Code
51
ID Code Menu
51
Figure 3.13 Flow Chart for Communication Option
53
Communication Options Menu
54
Display Color Selection Menu
59
Figure 3.14 Flow Chart for Display Color Selection
59
Part 4: Specifications
62
Table 4.1 Input Properties
65
Table 5.1 Factory Preset Values
66
Part 5: Factory Preset Values
66
Part 6: CE APPROVAL INFORMATION
68
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Omega CNI8 Specifications
General
Brand
Omega
Model
CNI8
Category
Temperature Controller
Language
English
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