REG 316*4 1MRB520049-Uen / Rev. C ABB Switzerland Ltd
2-3
Binary process signals, signals pre-processed by the control
logic, events, analogue variables, disturbance recorder files and
device control settings can be transferred via the communication
interface to the station control room. In the reverse direction,
signals to the control logic and for switching sets of parameter
settings are transferred by the station control system to the pro-
tection.
RE. 316*4 can be equipped with one up to four binary I/O units.
There are two tripping relays on the units 316DB61 and
316DB62, each with two contacts and according to version ei-
ther:
8 opto-coupler inputs and 6 signalling relays
or 4 opto-coupler inputs and 10 signalling relays.
The I/O unit 316DB63 is equipped with 14 opto-coupler inputs
and 8 signalling relays.
The 16 LED’s on the front are controlled by the 316DB6. units
located in slots 1 and 2.
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