Environmental Monitoring System (EMS-5X, 10X and OS) Instruction Manual
17
C.
Single Environmental Sensing Device (ESD) Sensor Probe
Figure 9:
Sensor Cable using Single ESD Sensor Probe
Connect the single ESD Sensor Probe as follows:
1.
Ensure that the unit is powered OFF.
Connect the
leader cable
into the
sensor
input terminals
on the
interface board
. Do
not connect the green or white cores
(
2.
When connecting the leader cable to its
respective sensor input terminals, ensure
that the factory-issued
terminating resistor
is removed. Retain all resistors for future
fault finding/testing.
3.
Connect the opposite end of the
leader
cable
to the
ESD probe
LOOP TERMINAL
block not used
Green and white
cores not used
Belden 9534
Cable to
EMS Zone Input
Secure cable under clamp
strap
SENSE TERMINAL
Red Core: +/1
Black Core: -/2
RED EOL SWITCH
‘
IN’ position
