Modbus/TCP 7-5
© 2005 HMS Industrial Networks
AB7607 User manual
Output Data
The output data for Modbus/TCP differs from that in EtherNet/IP in that it
includes the Run/Idle header.
The output data format and content is determined by the DeviceNet scanner con-
figuration. The data appears in the table as it is mapped to the DeviceNet output
connections. The output data in the assembly is 500 bytes long; however, only the
size configured for the output data table will be used, the remaining space will be
ignored.
The Run/Idle register is a bit string with the following bit definitions.
Byte
Offset
Size
in Bytes
Description
0
4
Run/Idle register.
4
4
Command register.
8
Up to
500
Output data.
Table 7-6 Output Data Format
Bit
Description
0
System Run Mode. Used in conjunction with the
Local Run Mode bit in the Command register to
determine the run mode of the Anybus-X. Both bits
must be set for the Anybus-X to be in Run mode; oth-
erwise the module will be in Idle mode.
1-31
Not used.
Table 7-7 Output Run/Idle Register Bit Definitions