Rockwell Automation 1746-NT8 SLC 500 Thermocouple/mV Analog Input Module User Manual User Manual
Page 67
Publication 1746-UM022B-EN-P - January 2005
Programming Examples 5-11
NEQ
Not Equal
Source A
N10:22
0<
Source B
0
0<
NEQ
NT8_CH2_STS_FLAGS
L
B3:7
2
NT8_CH2_ERROR
MVM
Masked Move
Source
I:1.3
0<
Mask
0F000h
-4096<
Dest
N10:23
0<
MVM
NT8_CH3_STS_FLAGS
NEQ
Not Equal
Source A
N10:23
0<
Source B
0
0<
NEQ
NT8_CH3_STS_FLAGS
L
B3:7
3
NT8_CH3_ERROR
T11:1 B3:6
DN 6
NT8_STS_CNF_TMR/DN NT8_CHECK_FLAGS2
MVM
Masked Move
Source
I:1.4
0<
Mask
0F000h
-4096<
Dest
N10:24
0<
MVM
NT8_CH4_STS_FLAGS
NEQ
Not Equal
Source A
N10:24
0<
Source B
0
0<
NEQ
NT8_CH4_STS_FLAGS
L
B3:7
4
NT8_CH4_ERROR
MVM
Masked Move
Source
I:1.5
0<
Mask
0F000h
-4096<
Dest
N10:25
0<
MVM
NT8_CH5_STS_FLAGS
0006
OSR
After waiting for the NT8 to update its I/O image, check each channel’s status error bits by masking off the appropriate
bits and checking if these bits are set (non-zero). If an error is detected, set the appropriate channel status error bits
(B3:112 - B3/119). Rung 6 checks channels 4 to 7).