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Allen-Bradley devicenet modules in logix5000 control systems Manual Do Utilizador

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Publication DNET-UM004A-EN-P - March 2004
Using POINT™ I/O Modules on a DeviceNet Network        15-27
1734-IM2 Input Module
Message size: 1 Byte 
1734-IR2 RTD Input Module
Message size: 6 Bytes 
7
6
5
4
3
2
1
0
Produces
(Rx)
Ch1
Ch0
Consumes
(Tx)
No consumed data
Where: Ch0 = channel 0, ICh1 = channel 1; 0 = off, 1 = on
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Produces (scanner Rx) Input Channel 0 - High Byte
Input Channel 0 - Low Byte
Input Channel 1 - High Byte
Input Channel 1 - Low Byte
Status Byte for Channel 1
Status Byte for Channel 0
OR
UR
HHA
L
LA
HA
LA
CM
CF
OR
UR
HHA
L
LA
HA
LA
CM
CF
Consumes (scanner 
Tx)
No consumed data
Where:CF  = Channel Fault status; 0 = no error, 1 = fault
CM = Calibration Mode; 0 = normal, 1 = calibration mode
LA = Low Alarm; 0 = no error, 1 = fault
HA = High Alarm;  0 = no error, 1 = fault
LLA = Low/Low Alarm;  0 = no error, 1 = fault
HHA = High/High Alarm;  0 = no error, 1 = fault
UR = Underrange;  0 = no error, 1 = fault
OR = Overrange;  0 = no error, 1 = fault