Active Utility Control/Standby; Figure 1: Front Panel Controls - Edwards GXS Series Instruction Manual

Only one of these can have control of the dry pumping system at any one time. That is,
once one of these has control of the dry pumping system, the control requests from the
others are denied. Control must be released by one module before it can be taken by a
different module.
There are LEDs to indicate control:
▪ The LED on the front control panel illuminates when control is taken by the front
panel. Refer to
▪ The LED on the rear of the pump illuminates when control is taken by the
MicroTIM. Refer to
(system with rear exhaust and castors/levelling feet
▪ The local control LED on the PDT illuminates when control is taken by that
particular PDT. Refer to
The PDT display also indicates which system is in control.

1.5 Active utility control/standby

The active utility control (Green mode) function may reduce the speed, power and purge
gas consumption of the dry pumping system while on standby. The dry pumping system
can be put into Green mode/Standby mode using the front control panel, the PDT or
through the MCM MicroTIM. Refer to
information.
Figure 1 Front panel controls
1. EMS button 1. EMS button
3. Start button 3. Start button
5. Local control button 5. Local control button
7. Power LED (green) 7. Power LED (green)
9. Alarm LED (red) 9. Alarm LED (red)
11. Pump Display Terminal (PDT) connection 11. Pump Display Terminal (PDT) connection
M58800880_H - Introduction
Figure: Front panel
Figure: The controls/connectors on the rear of the pump
Pump display terminal
Green mode/standby mode
1 2 3 4
Page 12
controls, item 6.
fitted), item 9.
on page 120.
5 6 7 8 9 10
2. Running LED (green) 2. Running LED (green)
4. Stop button 4. Stop button
6. Local control LED (green) 6. Local control LED (green)
8. Warning LED (amber) 8. Warning LED (amber)
10. Green mode LED (green) 10. Green mode LED (green)
on page 57 for more
11