B-18 External Connections
Signal connections
Requirement: To meet the regulatory requirements of immunity from
external electrical disturbances, install connector covers over the signal
connectors.
Required materials
• Small flat-bladed screwdriver
• Connector covers
8Not used
9 Event Out 2 + +30 V dc,
100 mA
10 Event Out 2 - +30 V dc,
100 mA
Mass spectrometer signal connections
Signal connections Description
Analog Out Used for analog chart output functionality. The
output voltage range is 0 to 2 V. The resolution of
the voltage output is 12 bits.
Gas Fail Interlock Out Used to stop the solvent flow if the nitrogen gas
supply fails.
Event Out 1, Event
Out 2
Allows the mass spectrometer to trigger an external
event.
Event In 1, Event In 2 Allows an external device to start data acquisition.
CE interlock Out Interfaces with a capillary electrophoresis power
supply so that the instrument is safely interlocked
against high voltages.
External connections 2 (continued)
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