INFICON HAPSITE Smart Plus Chemical Identification System - Manual (Page 479)

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HAPSITE Smart Plus Operating Manual
15.3.8 Power Supply
The Service Module Power Supply is a 24 V(dc) supply that provides power to the
Service Module Components and is only available in the 110/220 V(ac) Service
Module (IPN 930-202-G1) model. The Service Module Power Supply also supplies
power to the Analytical Module when attached. The 24 V(dc) power is not supplied
to the electrical connector at the top of the Service Module unless the Analytical
Module is connected. The 24 V(dc) Service Module (IPN 930-202-G3) utilizes the
external 24 V(dc) power supply to power the Service Module and Analytical
Module.
15.3.9 Communications
Communications to the Service Module are made through the electrical connector
on the top of the instrument. This is a RS-485 communication port utilized by the
HAPSITE and by the PC through the HAPSITE. There is also a RS-232
communication port on the side of the instrument that is used by service personnel.