4-4-5
Client Mode Address Mapping Table (slave station: general MODUBUS/TCP-compatible
products)
MODBUS scope
(decimal
number)
Corresponding function code
(○:Corresponding,
△
: Partially supported,-: Not
supported)
01
02
03
04
05
06
07
08
15
16
1
~
465536
○
○
○
○
○
○
○
-
○
○
When the function code is 07, if the communication partner (slave device) is SJ-Ether, one byte data of Q0-Q7 can be read.
If the other party is not SJ-Ether, it complies with the specifications of the slave device.
MODBUS and TCP settings
The client function uses the ERX and EWX commands.
Handling of Abnormalities
Contents of detection
Behavior
Detection
Timing
CPU
Worki
ng
Abnormalit
y
Relay
Error-code
Storage-register
Setting out of setting range
Communication not established
At all times
Contin
ue
-
-
General-purpose Ethernet communication
ports
During MODBUS/TCP disabled
ERX command and EWX command were
executed.
Communication not established
At all times
Contin
ue
-
-
The following is a supplement to read/write processing to areas without memory types.
Area access type
Read/write data
Part of the area is in the range, part of the area is outside the
range
Communication is normal.
Reading:
The memory data in the area can be read.
0 data can be read for data outside the area.
Writing:
Memory data in the area is updated to write data.
Write data outside the area is discarded.
Completely outside the range of the area
Error communication occurs.
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 13: ...1...
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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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