Rockwell Automation 1404-M4_M5_M6_M8 Powermonitor 3000 User Manual, PRIOR to Firmware rev. 3.0 - Manual (Page 94)

Publication 1404-UM001D-EN-E - October 2004
4-34 Communications
The example above is a ControlLogix message instruction to read the
user-configured table, assembly instance 37.
Up to four concurrent explicit messaging connections are supported
by the DeviceNet communications port.
DeviceNet Message Types
The Powermonitor 3000 supports the following message types:
TIP
Because the floating-point word order in the
ControlLogix controller is reversed from that in the
Powermonitor 3000, your ladder logic will need to
reverse the word order so the data may be
interpreted correctly. The SWPB instruction performs
this function.
Table 4.7 DeviceNet Message Types
Group CAN Identifier
Field Message Type
1 01101xxxxxx Slave’s I/O COS or Cyclic message
01111xxxxxx Slave’s I/O poll response or COS / Cyclic ACK message