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Wiring
Access for the electrical wires to the terminal module is made via the
PG16 cable gland located at the bottom of the mounting bracket
assembly. The cable gland can be removed and replaced with a suitable
conduit fitting if required.
The terminals used are suitable for conductors of 24 to 14 AWG (0.5 to
1.8mm Dia.). We recommend using the 16 AWG (1.5 mm Dia.) conductors.
Terminal layout of the base module
1
Relay NO/NC jumpers
3
4-20mA analog output terminals
5
Gas inlet port
7
RJ45 connector for ethernet/PoE
9
Pyrolyzer or NDIR connector
Midas S2 can be powered by either 24 VDC via traditional discrete wiring
or by approximately 48 VDC delivered through the Ethernet cable from a
PoE source. In either case, the 4-20 mA analog output can be used.
2
4-20mA analog sink/source switch
4
Gas outlet port
6
Cable entry
8
24Vdc Power terminals
10
Relay Contact terminals
11
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