Rockwell Automation 1746-INT4 Thermocouple/MV Isolated/ User Manual - Manual (Page 54)

Publication 1746-UM614B-EN-P - September 2007
54 Channel Configuration, Data, and Status
Channel Status Word, Channels 0…3 (I:e.4 through I:e:.7) — Bit Definitions
Bit or
Bits Reflect/
Indicate Configured for With This Bit Code Reflects Configuration in
Bits 0…11 and Indicates
Detected Faults in Bits
12…15
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 … 3 Input
Type TC Type J 0 0 0 0
Reflects the type of channel
input.
TC Type K 0 0 0 1
TC Type T 0 0 1 0
TC Type E 0 0 1 1
TC Type R 0 1 0 0
TC Type S 0 1 0 1
TC Type B 0 1 1 0
TC Type N 0 1 1 1
±50 mV 1 0 0 0
±100 mV 1 0 0 1
TC Type C 1 0 1 0
TC Type D 1 0 1 1
Invalid 1 1 0 0 The module faults when it
detects an invalid
configuration.
Invalid 1 1 0 1
Invalid 1 1 1 0
CJC Temp 1 1 1 1
4, 5 Data
Format Engr. Units x1 0 0 Reflects the type of data
format.
Engr. Units x10 0 1
Scaled-for-PID 1 0
Counts 1 1
6, 7 Open
Input
Mode Zero 0 0 Reflects module response to a
detected open input circuit (for
all input types including CJC
thermistor). The module faults
when it detects an invalid
configuration.
Upscale 0 1
Downscale 1 0
Invalid 1 1
8 Units
°F, °C Degrees C 0 Reflects temperature units.
Degrees F 1
9, 10 Unused Unused 0 0 Faults when it detects a
non-zero value.
11 Chnl
Enable Channel Off 0 Reflects enabled/disabled
channel status. Status word of
a disabled channel is zero.
Channel data and status words
remain cleared until the
module sets this bit in
response to a new
configuration word.
Channel On 1