8640 - 163
I
NTERNAL
B
US
E
XTENSION
RIO-VA (narrow bus head)
LED status display
Accessories
Connecting cable from remote I/O interface to RIO-VA
1 m
Order no. 917 498 M
Connecting cable from remote I/O interface to RIO-VA
2 m
Order no. 917 499 N
Clamping socket for power supply (supplied with the device)
Fig:
General overview of the extension module connection
Power supply
The 4-pole clamping socket for the power supply has the following configuration:
Power supply
Functional earth
DIP switches
RIO connection
NOTE
The DIP switches can be operated though the film!
ATTENTION!
To assure electromagnetic compatibility (EMC), screw terminal FE (functional earth)
should be connected to earth potential with as short a cable as possible (30 cm)..
Fig: Detail of power supply connection
Fig: Structure of the power supply
NOTE
Pin 1 of the power supply must be protected with a 3 A (semi-time-lag) fuse,
Pin 2 with a 1 A (semi-time-lag) fuse.
Pin 1
Pin 4
Summary of Contents for 8640
Page 10: ...8 8640 GENERAL INSTRUCTIONS ...
Page 22: ...20 8640 MODULES FOR CONVENTIONAL CONNECTION TECHNICS ...
Page 58: ...56 8640 PROFIBUS DP ...
Page 98: ...96 8640 FIELD BUS MODULE INTERBUS S ...
Page 118: ...116 8640 SELECAN ...
Page 152: ...150 8640 AS INTERFACE ...
Page 156: ...154 8640 INPUT EXPANSION MODULE FOR TRANSDUCERS ...
Page 178: ...176 8640 INTERNAL BUS EXTENSION ...
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Page 196: ...The smart choice of Fluid Control Systems www buerkert com ...