nVent.com | 11
Figure 3: Power via CAN cable connector
RTD Terminals
The RTD field wires must be terminated on a panel-
mounted terminal block. The RTD cable shield from
the field terminal block to the HTC module should be
terminated at the earth ground bar located near the
module.
Figure 4: Temperature sensor connections to terminals
Contactor Relay
Contactor relay uses terminal 1 and 2, Form A, NO dry
contact, rated at 250 Vac max, 3 A.
Contact is energized & closed during normal
conditions and will open upon an trip or power failure
condition.
Figure 5: Contactor terminals
Alarm via Digital Output
Power Supply/CAN
The power supply/CAN connector is an RJ-45 connector
Cable from another
module or power
supply
CAN termination here
if last one in chain
The CAN termination device must be installed in the
unused port of the last module.
NGC-40 SAFETY TEMPERATURE LIMITER
STATUS
NETWORK
CURRENT
TS1
RESET
TS2
TS3
TRIP
ALARM
RESET
TRIP
RESET
SET
CONFIG
NGC-40 SAFETY TEMPERATURE LIMITER
STATUS
NETWORK
CURRENT
TS1
RESET
TS2
TS3
TRIP
ALARM
RESET
TRIP
RESET
SET
CONFIG
Sensor 1 Sensor 2 Sensor 3
Common
(white)
6
9
12
Sense (red)
7
10
13
Source (red)
8
11
14
Summary of Contents for NGC-40-SLIM
Page 2: ...2 nVent com ...