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Page 35
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Operation
A540-55-880 Issue D
4.6
Emergency stop
Note:
The emergency stop switch is not an electrical isolator.
To shut down the system in an emergency, press the emergency stop switch (
, item 1). Alternatively, if the
customer emergency stop circuit was connected to the system as described in
, operate the emergency
stop controls in the customer control system.
When emergency stop is selected:
The dry pump and/or the booster pump is switched off.
The solenoid valve(s) in the Gas Module (if fitted) close, to switch off the supply of nitrogen to the pump.
The solenoid valve(s) in the temperature control manifold(s) de-energise with loss of temperature control.
The Pump Display Terminal will display ‘1.01 ALARM/STOP ACTIVATED’ (if connected) or it may display
‘ALARM 186.01/ DP INV 0040 000 / EMS’
The Running LED will go off.
The Alarm LED illuminates.
4.7
Restart the pump after an emergency stop or automatic shut-
down
Note:
If the system has automatically shut down because of high pump power, check that the pump is free to
rotate before restarting the system. Contact Edwards.
If the emergency stop switch on the front panel was used to shut down the system, the emergency stop switch must
be reset before restarting the system. Turn the emergency stop switch to reset it, then restart the system as
described in
If the system has been automatically shut down because of an alarm condition, the alarm condition must be rectified
before the system can be restarted. Restart the system as described in
.
4.8
Advanced control and monitoring
FabWorks-iMS is a tool that can be used to monitor pumping systems over a network. Contact Edwards for more
information.
For advanced applications, Edwards has a tool that allows the pumping system configuration to be changed. Contact
Edwards for more information.
