Allen-Bradley 1734-ADN Bedienungsanleitung Seite 222

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Publication DNET-UM004A-EN-P - March 2004
15-28 Using POINT™ I/O Modules on a DeviceNet Network
1734-IT2I Isolated Thermocouple Input Module
Message size: 8 Bytes
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
OR UR Cold Junction Temperature
(Selectable: Channel 0, Channel 1, or Average of both Channel 0 and 1)
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
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