Technical data
24
04.00 | WSG 50 | Assembly and operating manual | en | 389474
3.4.3 Termination resistors
The product has switchable termination resistors for CAN bus and
Profibus. For both field buses, the terminating resistors must be
connected on the first and last units on the bus. To terminate the
Profibus interface, both switches(3) and(4) must be switched on.
OFF
ON
(1) CAN-Bus
(2) n.c.
(3) Profibus
(4) Profibus
Assignment of the switch for the bus termination
3.4.4 Fuse
The product has an integrated fuse to protect against short circuits
and incorrect polarity.
To have the fuse changed, please contact SCHUNK
(Tel. +49 7133-103-2333).
3.4.5 PROFIBUS
The electrically isolated PROFIBUS interface is accessible via the
integrated terminal strip. It has a switchable termination
conforming to EIA RS485. Bus activity is shown via a separate light
emitting diode in the memory card slot.
Parameter Unit Min. Typical Max. Remark
Bus standard PROFIBUS DP-V0 EN 50170
Supported bit rates kBit/s 9.6; 19.2; 45.45; 93.75; 187.5; 500;
3000; 6000; 12000
Insulation voltage V
peak
560 VDE 0884,
rev. 2
Voltage on A/B cable V
peak
-7 12 relative to
GND
IO
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