Measuring Ranges - nVent Raychem NGC-20-C-E Installations-, Betriebs- Und Wartungsanleitung

Communications
Physical network
Protocol / topology
Cable and maximum length
Maximum quantity of controllers in
one network
(ModBus) Network address
Programming and setting
Method
Units of measure
Memory
LED indicators
NGC-20-C-E
NGC-20-CL-E

Measuring ranges

Temperature range controller
Temperature range limiter
Voltage
Load Current
Ground fault current
Heater Time Alarm
Relay Cycle Alarm
Ordering information
RAYCHEM NGC-20 control units
Product name
Part number & (weight)
Product name
Part number & (weight)
8 | nVent.com
RS-485 and Class 1 Bluetooth
ModBus RTU or ASCII. Multi drop / Daisy chain
Shielded twisted pair cable, 0.5 mm² (AWG 24) or larger. Maximum cable length between
should be no more than 1200 m.
Max. of 247 units per NGC-UIT or per communication port
Software programmable via nVent RAYCHEM NGC-CMA-NH or nVent RAYCHEM NGC-CMA-EX
Through handheld programming device nVent RAYCHEM NGC-CMA2 and a wireless
Bluetooth connection or via RS485 interface and nVent RAYCHEM Supervisor software or
nVent RAYCHEM User Interface Terminal (NGC-UIT-ORD, NGC-UIT-OUT) and customized
nVent RAYCHEM software.
°C or °F, software selectable.
Nonvolatile. There is no loss of parameters after the event of power outage or long term
shut down. Data holding time ~10 years.
Status LEDS are available for:
Heater, Alarm, RS485 communication, Bluetooth communication
Heater, Alarm, Limiter (tripped), RS485 communication and Bluetooth.
From –200°C to +700°C in steps of 1K
From –60°C to +599°C in steps of 1K (NGC-20-CL-E only)
From 50 VAC to 305 VAC
From 0.3 A to 30 A
From 10 mA to 250 mA
From 1 to 1x 10 hours
6
From 0 to 2x 10 operations
6
NGC-20-C-E (Standard temperature control unit)
1244-007035 (3.3 kg.)
NGC-20-CL-E (Temperature control unit with integrated temperature limiter)
1244-007036 (3.4 kg.)