Section 50
00-02-0271
2018-10-23
-
15 -
Sequence of Operations
– Motor Mode
ELECTRIC MOTOR APPLICATION
EVENT
DISPLAY
RELAY
K1
K2
K3
K4
K5
K6
K7
Lube
Not
Used
Motor
Cooler
Load
Alarm
SD
WAITING ON START
Unit monitors for a valid start signal. Shutdown and
Alarm relays are energized. * User can at this time,
press the Mode key to modify desired setup tables.
Class A inputs are scanned.
Waiting On Start
ETM: xxxxx.x hrs
Off
Off
Off
Off
Off
On
On
Start signal received. Unit advances to Prelube cycle.
Waiting On Start
ETM: xxxxx.x hrs
Off
Off
Off
On
Off
On
On
PRELUBE CYCLE
Prelube cycle begins. Permissive timer starts. Lube
relay energized.
LUBE CYCLE...
Permissive x:xx
On
Off
Off
Off
Off
On
On
Permissive time expires before Permissive signal* seen
closed. Fault occurs. Lube relay is de-energized.
Permissive
Failure
Off
Off
Off
Off
Off
Off
Off
Permissive signal closed. Prelube Cycle timer started.
LUBE CYCLE...
Prelube x:xx
On
Off
Off
Off
Off
On
On
Prelube Cycle timer times down to zero. Unit advances
to Wait On Run cycle.
LUBE CYCLE...
Prelube :00
On
Off
Off
Off
Off
On
On
WAIT ON RUN CYCLE
Motor Relay energizes. Run delay and Cooler On
Delays begin timing. The controller monitors for an
electric motor auxiliary contact run confirmation.
Waiting On Run
Run Delay x:xx
On
Off
On
Off
Off
On
On
Run Signal not received before the delay expires, Fault
occurs. All relays de-energize.
Motor Starter
Failure!
Off
Off
Off
Off
Off
Off
Off
S1501 Reset key pressed. Unit waiting on start input.
Waiting On Start
ETM: xxxxx.x hrs
Off
Off
Off
Off
Off
On
On
RUN CYCLE
Motor auxiliary contact seen closed. Lube relay de-
energizes. Class B1 Lockout, B2 Lockout and Load
timers started. Class C shutdowns are allowed to arm.
Motor Running...
Class-B1 x:xx
Off
Off
On
On
Off
On
On
Cooler On delay expires. The Cooler relay energizes.
Motor Running...
Class-B1 x:xx
Off
Off
On
On
Off
On
On
Class B1 and B2 Lockout timers expire. Elapsed time
displayed. Unit monitors for stop condition.
Motor Running...
ETM: xxxxx.x hrs
Off
Off
On
On
Off
On
On
Load timer expires. Load relay energized. Process
Lockout timer starts. When this timer expires, Class P
shutdowns will be armed. User can press the Mode key
to initiate the Test timer and test sensor inputs.
Motor Running...
Test Timer 5:00
Off
Off
On
On
On
On
On
IDLE CYCLE (COOLDOWN)
Stop signal is seen. Load relay is de-energized. Class
P shutdowns are disarmed. Idle timer is started.
Motor Running...
Idle x:xx
Off
Off
On
On
Off
On
On
ALARM FAULT
Alarm only input faulted. Alarm relay de-energized.
Fault alternately displayed with previous message
displaying the speed and run hours.
Low Coolant
Level
Off
Off
On
On
On
Off
On
S1501 Reset key pressed. Alarm relay is picked up.
Unit continues to scans for fault or stop condition.
Motor Running...
ETM: xxxxx.x hrs
Off
Off
On
On
On
On
On
Содержание Selectronic S1501 series
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