Installation and Start-Up | 3-13
The analog input/output (and alarm relay) terminations are made on the
Customer I/O board (Figure 3-4) in the Lower Enclosure.
European Installations only:
Signal wires, contained within cable that is approved locally for the haz-
ardous area, enter the Ex d Lower Enclosure through one of the Signal
Cable Entries on the bottom of the enclosure.
Digital Communication
The digital communications port configurations are made on the Host
Controller board. Refer to the Host Controller board (HC board) Custom-
er Connections in Figure 3-4 for communication/termination options and
Figure 3-5 for jumper (JP) locations/settings.
Hardware Conguration (Modbus Serial Communication)
The Explosion-Proof Digital (Local Service) Communications Port (9-pin
D-sub connector), configured as RS-232, is located on the front of the
Lower Enclosure (Figure 3-3). The port is principally intended as a tempo-
rary connection for configuring and servicing the analyzer while commu-
nicating with the analyzer via the AMETEK S93XS System 200 Configura-
tor Software.
Hazardous Locations
Before proceeding, test the area around the analyzer for explosive
gases and proceed only when the area is found to be safe.
Do not remove the cover of the Explosion-Proof Digital Communica-
tions Port on the front of the Lower Enclosure, do not connect a serial
cable to the Communications Port, do not open the Upper/Lower En-
closures, and do not power up/down the analyzer or computer if there
is an explosive gas atmosphere present.
There are also two other serial port connections available for permanent
connection: Remote Service Port and Customer Data Acquisition Port
(Modbus communications), both RS-485.
To configure either port, refer to “Remote Service Port/Local Service Port
Configurations” (and “Remote Service Port RS-485, Full/Half Duplex,” if
using the Remote Service Port) or “Customer Data Acquisition Port RS-485,
Full/Half Duplex” below. The jumpers for these service ports are located
on the Host Controller board (see Figures 3-4/3-5).
!
WARNING
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