Siemens Maxum II Reference Manual

2.3.3 SYSCON2.1 Components
2.3.3.1 Communication and Control Board (CAC3)
The Communication and Control board (CAC) is a standardized, single-board central
processing unit for intended for use in Siemens products. For the Maxum family of products
the third generation of the CAC board (CAC3) is used.
The CAC3 includes an on-board 10/100 Ethernet controller, used for connection to external
Ethernet. This is connected via a short RJ-45 patch cable to the Ethernet Switch Board, which
resides in a card slot on the SIB3.
More information and details pertaining to the CAC3 can be found in the System Controller
version 2.1 (SYSCON2.1) Installation Manual (Siemens part number A5E02643617001).
Figure 2-12 CAC3 Board (Part Number A5E02599492004)
Electronic Compartment Component Descriptions and Maintenance Procedures
2.3 System Controller Version 2.1 (SYSCON2.1)
Maxum II Reference Manual
34 Manual, 7/2017, 2000596-001

Siemens Maxum II Specifications

General

Category	Gas Chromatograph
Measurement Principle	Gas Chromatography
Communication Protocols	Modbus, Ethernet, Profibus
Operating Temperature	-20°C to 55°C
Power Supply	24 VDC or 100-240 VAC
Mounting	rack mount
Applications	Refinery, chemical, petrochemical, natural gas
Detectors	Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID)
Sample Inlets	Multiple
Dimensions	Varies by configuration (e.g., 19" rack mount)