Ampcontrol IPD - Table 1: Cable Recommendations: Intrinsically Safe Circuits

Ampcontrol Pty Ltd – ABN 28 000 915 542
IPD USER MANUAL
IPDB014 Version 14 – SEP/2020
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5.4.2 Intrinsically Safe Circuits
Table 1: Cable Requirements: Intrinsically Safe Circuits
Duty
Pins
Signal
Cable Type
Cable
Connection
Module
3
4
5
7
VcmA
VcmB
VcmC
Earth
Three core screened
Screen = Earth
Pilot Core
6
7
Pilot
Earth
Single core screened
Screen = Earth
Serial Comms
Port
8
9
10
11
12
+Vsc
FIO
TXD
RDI
Earth
Four core screened
Screen = Earth
Remote Display
13
14
12
Data
+Vdm
Earth
Three core screened
Screen = Earth
NOTE
It is recommended that these circuits be loomed separately from
all non-IS circuits.
NOTE
Wherever a screened cable is to be connected to Earth, ensure that
the screen is earthed at ONE END ONLY, as near to the IPD as is
practicable.