2 | nVent.com
GENERAL
Supply voltage
24 Vdc ± 10%
Internal power consumption
< 3.6 W per NGC-40-BRIDGE
Ambient operating temperature
–40ºC to 65ºC (–40ºF to 149ºF)
Ambient storage temperature
–40ºC to 75ºC (–40ºF to 167ºF)
Environment
PD2, CAT III
Max. altitude
2,000 m (6,562 ft)
Humidity
5 – 90% noncondensing
Mounting
Din Rail – 35 mm
ELECTROMAGNETIC COMPATIBILITY
Emissions
EN 61000-6-3 Emission standard for residential, commercial and light industrial environments
Immunity
EN 61000-6-2 Immunity standard for industrial environments
COMMUNICATIONS COM1, COM2
Type
2-wire RS-485
Cable
One shielded twisted pair
Length
1,200 m (4,000 ft) maximum
Quantity
Up to 255 devices per port
Data rate
9600, 19.2K, 38.4K, 57.6K, 115.2K baud
Data bits
7 or 8
Parity
None, even, odd
Stop bits
0, 1, 2
Tx delay
0 – 5 sec.
Protocol
Modbus RTU or ASCII
Connection terminals
Wago cage clamp terminals
COMMUNICATIONS COM3
Type
RS-232
Cable
Custom TTC# 10332-005
Length
15 m (50 ft) maximum
Data rate
9600, 19.2K, 38.4K, 57.6K, 115.2K baud
Data bits
7 or 8
Parity
None, even, odd
Stop bits
0, 1, 2
Tx delay
0 – 5 sec.
Protocol
Modbus RTU or ASCII
Connection terminals
RJ-11
CAN NETWORKING PORT
Type
2-wire isolated CAN-based peer-peer network. Isolated to 300 V.
Connection
Two 8-pin RJ-45 connectors (both may be used for Input or Output connections)
Protocol
Proprietary NGC-40
Topology
Daisy chain
Length
10 m (33 ft) maximum
Quantity
Up to 80 CAN nodes per network segment
Address
Unique, factory assigned
ETHERNET
Type
10/100 BaseT Ethernet network
Length
100 m (328 ft)
Data rates
10 or 100 MB/s
Protocol
Modbus/TCP
Connection terminals
Shielded 8-pin RJ-45 connector on front of module
PROGRAMMING AND SETTING
LED indicators
Alarm conditions
RESET, Configuration lost, CAN communications fail
Configuration switch
SET/RUN slide switch on front of module
CONNECTION TERMINALS
Wiring terminals
Cage clamp, 0.5 to 2.5 mm² (24 to 12 AWG)
CAN networking and module power
Two RJ-45s, one each IN and OUT. Provides CAN bus signals and +24 Vdc power.
HOUSING
Size
45.1 mm (1.78 in) wide x 87 mm (3.43 in) high x 106.4 mm (4.2 in) deep
