Burkert Type 8640 - Manual (Page 47)

47
BusModuleRioSlave(RIO/VA)
10.1. Power supply (Power) RIO slave
The 4-pole plug-in connector for the power supply is configured as follows:

Electronics Inputs
Valves /
Outputs
24 V DC (2)
valves /
outputs
24 V DC (4)
logic
GND (3)
logic
GND (1)
valves /
outputs

Pin 1
Pin 4

1
2
3
4
-
+
-
+
Pin
Valves /
Outputs
Logic
inputs
Figure 24: Power supply configuration Figure 25: Cutaway POWER connection
Pin 2 of the power supply must be supplied with a 3 A medium time-lag fuse; Pin 4 with 1 A.
NOTE!
To ensure electromagnetic compatibility (EMC) connect the screw terminal FE (functional earth) to earth
potential using a short cable (30 cm).
10.2. Field bus connection RIO slave
4-pole connections M 8 are used for the internal field bus.
NOTE!
The assignment of both bus connectors is identical. The length of the individual connection cables must be less
than 3 m for EMC reasons.
Pin No. Signal name
Incoming interface (BUS IN)
(Socket in the device, plug on the cable)
Signal name
Outgoing interface (BUS OUT)
(Socket in the device, plug on the cable)
1 CAN HIGH CAN HIGH
2 CAN LOW CAN LOW
3 not used not used
4 not used not used
Pin assignment
1 3
4 2
english
Type 8640