INFICON LDS3000 Modular Leak Detector - Manual (Page 12)

12 Description
3 - GAUGES, EXT
Connection for optional external pressure measurement locations (0 ... 10 V or
0 … 20 mA) for INFICON Service
Connection plug arrangement
4 - 1
Connection for PIRANI gauge, test leak and suppressor on the pre-amplifier (pre-
mounted, three-core cable)
5 - 24VDC
Connection for 24 V power supply pack used to supply mass spectrometer module,
control unit, I/O module and bus module.
6 - 2
Connection for inverter turbo molecular pump and fan turbo molecular pump (pre-
mounted, two-core cable)
7 - ION SOURCE
Connection for ion source
8 - 3
Connection for pre-amplifier
9 -
Power LED
The Power LED and Status LED indicate the status of the unit; see no. 12 - S TATUS .
10 - SERVICE
RS232 connection for INFICON Service
11 - I/O / ANYBUS
Connection for I/O or bus module or control unit
Information The connections I/O / A NYBUS and C ONTROL U NIT have the same
functions. You have the choice of connecting:
– Control unit CU1000 + I/O module IO1000 or
– Control unit CU1000 + bus module BM1000 or
– I/O module IO1000 + bus module BM1000 or
– 2 control units CU1000 or
– 2 I/O modules IO1000 (configurable only together)
1 +24 V output, max. 200 mA
2 Input for P3 service gauge, 0 ... 10 V
3 GND
4 Reference to input for P3 service gauge
5 20 mA input for P3 service gauge