Gema OptiStar 4.0 - Hardware

Rev. 00 03/19
38

Start-up OptiStar 4.0 (CG24-CP)
Hardware
The OptiStar control units are connected to the central PLC control unit
via 4 pin CAN bus cables. The last bus client is fitted with a terminal plug
with terminal resistor in order to terminate the network correctly. A
maximum of up to 127 MultiStar Control units can be operated in a
network.
OptiStar no. 1
OptiStar no. 2
CAN bus participant no. 127
(max)
fig.
19
: CAN bus – connections
1 PLC control with CAN bus
2 Terminal resistor
CAN bus cable – plug assignment
fig.
20
: CAN bus cable
Pin
Signal
Color
1
GND
white
2
+24 VDC
black
3
CAN H
black
4
CAN L
black