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5. Settings regarding MODBUS communications
5.1 Overview
Before communications is performed, initial settings must be made on this product. Enter such
settings with the keys on the front panel.
To switch to a series of setting screens, take the steps described below.
For details, see the operation manual furnished with this product.
For MODBUS (RTU) For MODBUS (ASCII)
Power ON
Power ON
↓ ↓
^ucT
^ucT
HH
Initial setting (for 4 seconds)
HH
Initial setting (for 4 seconds)
↓ ↓
^ucT
^ucT
HH
Operation mode
HH
Operation mode
↓ MODE key at least 2 seconds ↓ MODE key at least 2 seconds
^ucT
^ucT
HH
Setting mode selection screen
HH
Setting mode selection screen
↓ ▲▼key ↓ ▲▼key
^ucT
^ucT
HH
Communications setting mode
HH
Communications setting mode
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set a communications protocol
H
: MODBUS (RTU) (Initial value:
H
HH
Set a communications protocol
H
: MODBUS (ASCII) (Initial value:
H
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set a communications parameter
HH
Set a communications parameter
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set a communications speed
HH
Set a communications speed
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set a communications address
HH
Set a communications address
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set a communications response delay
HH
Set a communications response delay
↓ MODE key ↓ MODE key
^ucT
^ucT
HH
Set communication mode changeover
*The changeover setting is disabled.
HH
Set communication mode changeover
*The changeover setting is disabled.
↓ MODE key ↓ MODE key
Back to communications setting mode Back to communications setting mode
When the settings are over, press the MODE key at least 2 seconds to go back to the operation mode.
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