General Information 25
1.6.5 I/O Port
The I/O port allows communication with and control through external equipment via
PLC and analog data. For details see Section 6.1.
Through this connection some functions of the Protec P3000 can be controlled exter-
nally or measurement data or the status of the Protec P3000 may be communicated
to external equipment.
Through relay changeover contacts the trigger levels as well as the operating mode
(Ready) of the Protec P3000 may be monitored.