Chapter 8 Appendix
Operand data type
Scope
Internal relay M
Refer to the memory map.
Here is a chart of successful and error bits during transmission.
・
Error response data destination address stores error response information when a slave device receives an error response.
Operand data type
Scope
V memory R
Refer to the memory map.
Valid
Transmitti
ng
Success
Error
Transmission
operation
Reception
operation
Receive the Modbus / TCP response from slave devices
Transmit Modbus / TCP request to slave devices
Transmit a
request
Transmit a
request
Receive a
response
Receive a
response
No change
No change
When other ERX / EWX command to same address is
executed, it won’t receive the main command request until the
command is completed.
When ‘Transmitting’ is ON, it
is turned OFF.
It is turned ON when receiving
normal response from slave devices.
It is turned ON when receiving
abnormal response from slave devices.
When ‘Transmitting’ is ON, it
is turned OFF.
Summary of Contents for Kostac SJ-Ether Series
Page 1: ...English version of the KOSTAC SJ Ether series user s manual SJ ETHER USER M...
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Page 113: ...3 24 Note Refer to 6 3 3 Module Assembly for connections and locks between modules...
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Page 156: ...flashing OFF Not sent H W RX Green flashing Receiving H W OFF Not received H W...
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Page 310: ...Chapter 7 Maintenance...
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