Ampcontrol Pty Ltd
– ABN 28 000 915 542
IPD USER MANUAL
IPDB014 Version 14
– SEP/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 28 of 96
A
P
P
R
OV
E
D
FOR
E
X
T
E
R
N
A
L
D
IS
TR
IB
U
T
ION
–
P
R
OP
E
R
T
Y
OF
A
M
P
C
ON
TR
OL
P
T
Y
LTD
–
N
O
T
T
O
B
E
R
E
P
R
OD
U
C
E
D
I
N
P
A
R
T
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.