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Programmable Terminal DeviceNet Interface Unit


Connect to DeviceNet Using a NT31/631-series Programmable Terminal as a Slave.

General Specifications

Rated power supply voltage 24 VDC (Supplied from Programmable Terminal)
Allowable power supply voltage range 20.4 to 26.4 VDC (24 VDC +10%/-15%)
I/F power consumption *1 NT31/31C PT with Expansion Interface: 15 W max.
NT631C PT with Expansion Interface: 18 W max.
Communications power supply *2 30 mA max.
Ambient operating temperature 0°C to 50°C
Ambient storage temperature -20°C to 60°C
Ambient operating humidity 35% to 85 % max. (with no condensation)
Ambient operating atmosphere No corrosive gases
Noise immunity Conforms to IEC 61000-4-4, 2 kV (power line)
Vibration resistance (operating) 10 to 57 Hz with 0.075-mm single amplitude, 57 to 150 Hz with acceleration
9.8 m/s2 for 30 minutes each in X, Y, and Z directions
Shock resistance (operating) 147 m/s2 , 3 times each in X, Y, and Z directions
Dimensions 96 x 91 x 20 mm (W x H x D)
(Total thickness when Interface Unit is mounted to PT: 74 mm)
Weight 350 g max.

*1. Power is supplied from the NT31/31C/631C-series PT. The figures for power consumption given above are for both
       the Interface Unit and the PT combined. The power consumption for the NT-DRT21 is 1 W max.
*2. The power consumption for DeviceNet communications is 0.75 W max. (supplied separately).

Function Specifications

Remote I/O communications I/O area data: 64 words (This includes 5 input words and 3 output words used as the
PT status communications area.)
Message communications Reading/writing (transfer of character string memory table entries, numeral memory
table entries, or bit memory table entries)
Software specifications The following software can be used: NT-series Support Tool Version 4 Interface
Unit's System Program Version 2.1 or higher

DeviceNet Communications Specifications

Communications power supply voltage 11 to 25 VDC
Maximum I/O points 64CH