Quick Start Guide
SERVO
PRO CHROMA/NANOCHROME/ULTRA Gas Analyser
32
04400003A_0
3.1.3 Master
chassis
with
Secondary
chassis
electrical
connections
Figure 17 shows how to connect an analyser that is supplied with a master
chassis and a secondary chassis. Connections to a power source must use
properly rated cables (see operator manual)
If an auxiliary oven is supplied, connect the cable coming out of the auxiliary
oven to the chassis
connector named “Auxiliary
O
ven”
(see section operator
manual1.2.1). The cable carries the power supply and the temperature
measurement.
The master chassis communicates with the secondary chassis using RS-485
ports. Connect both RS-485 ports using the provided high density DB-9 cable.
Figure 17 : Master with secondary chassis, electrical connections
Figure 18 shows how to connect the SERVOPRO NanoChrome Ultra that is
supplied with a master chassis and two secondary chassis. The RS-485 port of
the Master Chassis connects to the first RS-485 port of Secondary Chassis 1.
The second RS-485 port of Secondary Chassis 1 connects to the RS-485 port of
