ABB REG316 4 Series Operating Instructions Manual page 659

ABB Switzerland Ltd
Utility Automation
Wiring diagram
Numerical generator protection
CURRENT
AND VOLTAGE
INPUTS
(ACC. TO K-CODE)
COMMUNICATION
PORT
(LOCAL HMI) (PC))
SERIAL COMMUNI-
CATION WITH SUB-
STATION CONTROL
EARTHING SCREW
ON CASING
OPTOCOUPLER
INPUTS
CD SUPPLY
Fig. 12 Typical wiring diagram of REG316*4 in size N1 casing with two input/output units 316DB62
REG316*4
1MRK502004-Ben
Page 31
SIGNALLING
TRIP