INTRODUCTION
I-E96-315B
5 - 1
SECTION 5 - OPERATING PROCEDURES
INTRODUCTION
This section explains how to place the hydraulic servo slave
(HSS) in operation. This section includes information about the
HSS faceplate indicators, system start-up and operation and
manual operation.
FACEPLATE INDICATORS
Two LEDs are visible through the faceplate of the HSS, the sta-
tus LED and the emergency manual LED. Refer to Table
for
an explanation of the LED states.
START-UP AND NORMAL OPERATION
Only qualified personnel should perform plant start-up and
operation. The following steps explain HSS start-up and opera-
tion:
1. Start the turbine following the plant start-up procedure.
2. Enter a turbine speed demand or load demand setpoint via
the operator interface.
3. Operation continues according to the system control strat-
egy in the MFP configuration.
Table 5-1. LED States
Status
LED
Emergency
Manual LED
Condition
Red
On
Emergency manual mode, communications
with MFP lost.
Off
HSS failure, machine fault timer timeout.
Green
On
MFP communications okay, but HSS in
emergency manual mode.
Off
Normal operation
Blank
On
MFP communications lost, in emergency
manual mode.
Off
HSS module failure. Loss of power.
