nVent RAYCHEM NGC-20-CL-E Installations-, Betriebs- Und Wartungsanleitung Seite 10

L1
N
Home
EN
PE
DE
RS485 cable from
previous device
FR
PT
RU
W/B
W/B
W/B
Figure 2: connection diagram NGC-20-C(L)-E
|
10 nVent.com/RAYCHEM
When the device is the last on the communication
line install a wire bridge between the - and
T terminal as shown by the dotted line
RTD 2
R R PE
R R PE RTD 1
PE
R R PE RTD LIMITER
PT100
temperature
sensor(s)
PT100
temperature sensor
Only to be used for the LIMITER
Li Lo Ni
RS485 S
+ –
RS485
S
+ – T
Internal RS485
end of line
termination
resistor
RS485 cable to
next device
No PE PE PE Lo No
Heater
Alarm
3A Max
Heating cable
RAYCHEM-OM-INSTALL130-NGC20CLE-ML-2204
To next NGC-20