I E16x442 Rev: 00
Page 32 of 73
5.
Description of Monitor E1665
5.1.
Display and Frontside Operational Elements
5.1.1.
Front View of Monitor E1665
Figure 12:
Front view of Monitor E1665
5.1.2.
Status-LEDs
LED1
steady on: Trip
LED2
steady on: no Trip, SP1A is valid
blinking:
SP1B is valid
LED3
steady on: n < SP3
blinking:
one only of three input channels measures zero speed
LED4
steady on: n > SP3
5.1.3.
Display during Test Procedures
FC-2
: External Trip-Release via Voter active
FC-3.1 : Trip-Line I is tested (Relay I to Trip-Condition)
FC-3.2 : Trip-Line II is tested (Relay II to Trip-Condition)
FC-3.4 : Trip-Line III is tested (Relay III to Trip-Condition)
SELF : Monitor self-test
5-digit display
Input keyboard
4 LEDs for status indication
Data Interface
9-pole Sub-D
P
E
E1665
1
2
3
4
Trip
SP3
RPM
