Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 228 / 248

B-18 External Connections
Connecting the EPC
In addition to a workstation PC or instrument server, the Xevo G2 Tof has an
external EPC with a real-time operating system that provides the real-time,
data-processing required by the analog-digital controller (ADC).
Mass spectrometer rear panel connections to the EPC:
Requirement:
Use shielded network cables with the mass spectrometer to
ensure compliance with FCC limits.
To connect the EPC:
1. Connect one end of the 25-way, EPC cable to the 25-way, D-type
connector on the instrument.
2. Connect the free end of the 25-way, EPC cable to the 25-way COM port
D-type connector on the EPC.
Video Output
Service Bus
Instrument LAN
EPC Com Port
External Connections 2
10 1
External Connections 1
10 1
System Activity
200 - 240V, 50/60Hz, 1.1kW
1 2 3 4 5 6 7 8 9 10
+ -
Event
In
1
External Connections 1
Not
used
CE Interlock
OUT
+ -
Event
In
2
Not
used
- IN IN
Com N/C N/O
Com N/C N/O
1 2 3 4 5 6 7 8 9 10
+ -
Analogue Out
External Connections 2
OUT
Gas
Fail
Interlock
Not
used
- OUT OUT
+ -
Event
Out
1
+ -
Event
Out
2
OUT
-
EPC Parallel Port
ADC Ethernet
Power
EPC parallel port
EPC parallel port
EPC
Instrument LAN
ADC Ethernet