3.8
Each analogue output (and each relay output) has an individual identity in software.
This identity is a number, which relates to the "slot" in which the PCB (SIB or Option
PCB) containing the actual output (or relay) physically resides.
For example, the first analogue output is from the standard SIB PCB which resides in
"slot 1" and therefore its software identity is "1.1" (i.e. first slot first output channel). The
second analogue output is "1.2", and the first relay output is "1.3", etc.
The following tables show the physical locations for connections to the analogue
outputs.
*option PCB
Terminal locations are as illustrated in Figure 3.2.
WARNING (EU1 VERSION)
Where the 2500 is in a Zone 1 area, a suitable Relay Box should be used to isolate
the outputs. This Relay Box should be switched from the Purge Control System.
Table 3.1 – Analogue Output Connections
Output Software ID Terminal Connections
Analogue 1 1.1 TB 24-4 (+) and TB 24-3 (-)
Analogue 2 1.2 TB 24-2 (+) and TB 24-1 (-)
Analogue 3* 2.1 TB 22-1 (+) and TB 22-2 (-)
Analogue 4* 2.2 TB 22-3 (+) and TB 22-4 (-)
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