Pentair Raychem NGC-20-C-E Guide D'installation, D'utilisation Et De Maintenance page 10

L1
N
PE
RS485 cable from
previous device
When the device is the last on the communication
W/B
R
W/B R
W/B R
PT100
temperature
sensor(s)
Figure 2: connection diagram NGC-20-C(L)-E
INDUSTRIAL HEAT TRACING SOLUTIONS
line install a wire bridge between the - and
T terminal as shown by the dotted line
RS485 S
RS485
RTD 2
R PE
R PE RTD 1
PE
R PE RTD LIMITER
PT100
temperature sensor
Only to be used for the LIMITER
ML-RaychemNGC20CLE-IM-INSTALL130 Rev8
Li Lo Ni No
+ –
Alarm
S + – T
3A Max
Internal RS485
end of line
termination
resistor
To next NGC-20
RS485 cable to
next device
PE PE PE Lo No
Heater
Heating cable
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