Siemens Maxum II Reference Manual

Compare
Airflow
Loss
Shutdown
PECM
Air Bath Oven
High-Wattage
Heater
Analog
SSR Pair
Air Pressure
Switch
Digital
Temp Control,
Temp Limit,
Overtemp RTDs
Temp
Setpoint
Modules
PWM
I
2
C
Temperature
Control
Airflow Loss
Shutdown
Heater
AC
Line
SSRa SSRb
SYSCON
Figure 2-6 PECM Heater Control Functions
2.2.3.3 Communication and Power Distribution
The 24V power supply connects to one of two parallel power connectors, TB1 and TB2 on the
PECM-CTL board. Another module can be powered from the other connector.
Each of the 7 I
2
C connectors also provides 24VDC power to the connected module.
A separate connector powers a 24V fan.
Electronic Compartment Component Descriptions and Maintenance Procedures
2.2 Power Entry and Control Module
Maxum II Reference Manual
22 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)