User Manual

Part 1 Specification
(5) RS485 SIO (RGW- SIO)
RGW-SI O connector: MC1.5/4-G- 3.5 (by Phoenix Contact)
Cable-end connector: MC1.5/4-ST -3.5 (by Phoenix Contact) = Standard accessory
SIO communication connector
Signa
l name
Explanation
SA
Communication line A (+)
Built-in terminal resistor (2 20 ) conform
SB
Communication line B (-)
to RS485
SG
Signal ground
FG
Frame ground
This signal is connected to the enclosure.
Applicable Wire for Cable-end Connector
Item
Description
Applicable wire size
Stranded
wire: AWG28 t o 16 (0.14 to 1 .5 mm
2
)
Cable stripping length
7 mm
Part 1 Specification
Chapter 3 Gateway R unit
-55-