38 EN
DIRIS DIGIWARE DC - 545830B - SOCOMEC
9.2.1. Connection with the DIRISDigiwareC-31 system interface module
In an RS485 link, the DIRIS Digiware C-31 system interface module may be placed anywhere in the RS485 link.
The following rules must be observed:
• A 120Ω resistor must be added at the start of the RS485 link
• A 120Ω resistor must be added at the end of the RS485 link
• A termination must be added at the end of the Digiware bus.
Connection example:
PC
RS485
120 Ω 120 Ω
RS485 RS485
Ethernet
DIRIS Digiware C-31
DIRIS G
DIRIS
COUNTIS
DIRIS B
Digiware Bus
Termination
Digiware Bus
9.2.2. Connection with the DIRISDigiwareD-50/D-70 remote display
In an RS485 link, a DIRIS Digiware D-50/D-70 remote display is a master device of the RS485 bus and links to the
DIRIS Digiware bus. It is used like an Ethernet gateway.
The following rules must be observed:
• A 120Ω resistor must be added at the start of the RS485 link
• A 120Ω resistor must be added at the end of the RS485 link
• A termination must be added at the end of the Digiware bus.
Connection example:
Digiware Bus
Termination
DIRIS Digiware D-50 / D-70
PC
120 Ω 120 Ω
RS485
Ethernet
DIRIS B
DIRIS
COUNTIS
Digiware Bus
You can show 32 devices on DIRIS DigiwareD-50/D-70 display.
Other connections are possible with the DIRIS Digiware D remote display; refer to its manual for more details.