User manual

Berghof Automationstechnik Analog I/O expansion module
2VF100051FE01.doc 2D0172002ZD00.DOC 23
2.9. Reference voltage source
Caution
Incoming supply of an interference voltage can cause severe damage to the refer-
ence voltage source.
The expansion module has a reference voltage source with 4 connection points
(U
Ref
/AGND) on the terminal level.
Data:
Reference voltage + 10 V
Precision +/- 10 mV
Load current 5 mA max.
Permanent short-circuit protection short-circuit current max. 25 mA