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Section 1
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2 Syst
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V700-L11
User's Manual
Section 1
System Features and Configuration
By altering the connection to a link unit, it is possible to connect the link unit to an upstream controller that has
RS-485 interface.
Interfacing with upstream controller: RS-485
Unit-to-unit configuration
IDRW head/link unit connection configuration
• 1:1 connection (RS-485)
• 24 VDC power supply
• 1:N connection (RS-485)
• 24 VDC power supply
Precautions for trouble-free operation
The upstream controller must be able to be ready to receive data within 15 ms after data transmission.
Without this control scheme, the whole system fails to operate correctly.
24 VDC
Upstream
controller
ID tag
IDRW head
RS-485
Link unit
24 VDC
24 VDC
24 VDC
Upstream
controller
ID tag
ID tag
ID tag
IDRW head
IDRW head
IDRW head
RS-485
RS-485
RS-485
Link unit
Link unit
Link unit
Max. 31 units