Spectrum Controls 1794sc-IRT8I - Manual (Page 35)

Chapter 3: Configuring the 1794sc-IRT8I for ControlLogix/CompactLogix 3-9
User's Manual Pub. 0300242‐01 Rev. A
Usage (16 bit words):
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
C:7 Temp
Units
Ch6
Disable
CJC
Ch6
Open
Circuit
Ch6
R 1
Data
Format
Ch6
Input
Filter
Ch6
Input
Type
CH6
C:8 Temp
Units
Ch7
Disable
CJC
Ch7
Open
Circuit
Ch7
R 1
Data
Format
Ch7
Input
Filter
Ch7
Input
Type
CH7
C:9 CH0 User Low Alarm Threshold
C:10 CH0 User High Alarm Threshold
C:11 CH0 User Alarm Deadband
C:12 CH1 User Low Alarm Threshold
C:13 CH1 User High Alarm Threshold
C:14 CH1 User Alarm Deadband
C:15 CH2 User Low Alarm Threshold
C:16 CH2 User High Alarm Threshold
C:17 CH2 User Alarm Deadband
C:18 CH3 User Low Alarm Threshold
C:19 CH3 User High Alarm Threshold
C:20 CH3 User Alarm Deadband
C:21 CH4 User Low Alarm Threshold
C:22 CH4 User High Alarm Threshold
C:23 CH4 User Alarm Deadband
C:24 CH5 User Low Alarm Threshold
C:25 CH5 User High Alarm Threshold
C:26 CH5 User Alarm Deadband
C:27 CH6 User Low Alarm Threshold
C:28 CH6 User High Alarm Threshold
C:29 CH6 User Alarm Deadband
C:30 CH7 User Low Alarm Threshold
C:31 CH7 User High Alarm Threshold
C:32 CH7 User Alarm Deadband
1 Reserved set to zero
3.4.1 Fault Mode [Word 0 (Bits 2,3,4,5,10,11,12,13)]
The fault mode bits are used to enable or disable “broken wire detection”. See table
below.
Table 3-2 (Fault Mode)
State Function
0 Disabled
1
Enable Broken Wire Detection
3.4.2 Input Type [Words 1 – 8 (Bits 0 to 4)]
Use the table below to select the input type for each channel.
Table 3-3 (Input Type)
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Range:
0 0 0 0 0 B
Type Thermocouple
0 0 0 0 1 C Type Thermocouple
0 0 0 1 0 E Type Thermocouple
0 0 0 1 1 J Type Thermocouple