ㆍ▷ 8DI/8DO Modbus RTU Remote I/O
ㆍ▷ 10–30 VDC output load voltage (wet contact)
ㆍ▷ Maximum 650 mA current sink per digital output channel
ㆍ▷ 8 isolated digital inputs (sink/source)
Features
▷ 10–30 VDC output load voltage (wet contact)
▷ Maximum 650 mA current sink per digital output channel
▷ 8 isolated digital inputs (sink/source)
▷ Dry contact: Logical 0: open Logical 1: closed to ground Wet contact: Logical 0: 1 VDC max. Logical 1: 10–30 VDC
▷ Programmable host watchdog timer for host failure protection.
▷ Isolation protection: 3 kV
Specification & Introduction
▷ Function
Analog input Analog output &
digital input Digital input & output Relay output & digital input
Analog input
▷ Channel
8 differential or
6 differential &
2 single-ended
- - -
▷ Resolution
16/12-bit - - -
▷ Sample rate (Software selectable)
60/s (12-bit)
10/s (16-bit) - - -
▷ Input range(Voltage)
±150/500 mV, ±1/5/20 V - - -
▷ Input range(Current)
±20 mA - - -
Analog output
▷ Channel
- 4 - -
▷ Resolution
- 14-bit - -
▷ Output range(Voltage)
- 0–5V, ±5V,
0–10V, ±10V - -
▷ Output range(Current)
- 0–20 mA - -
▷ Accuracy(Voltage)
- ±0.02% of FSR - -
▷ Accuracy(Currnet)
- ±0.1% of FSR - -
Digital output
▷ Channel
- - 8 isolated output (source) 4 relay output
▷ Max. load current
- - 650mA per channel -
▷ Output isolation Voltage
- - 3750Vrms -
▷ Relay contact rating(AC)
- - - 0.6A/125Vac
▷ Relay contact rating(DC)
- - - 2A/30Vdc
▷ ON/OFF time interval
- - - Operate Time: 3ms max.
Release Time: 2ms max.
Digital input
▷ Channel
-
4 isolated with common source
8 (sink/source) Isolated with common source
4 isolated with common source
▷ Wet Contact Input
- Low(0): 1V max. Low(0): 1V max. Low(0): 1V max.
- High(1): 10V to 30V High(1): 10V to 30V High(1): 10V to 30V
▷ Dry Contact Input:
- - Low(0): open
High(1): close to DI.GND -
▷ Input isolation Voltage
- 3750Vrms 3750Vrms 3750Vrms
General Spec
▷ Operation temp.
-10–70 °C -10–70 °C -10–70 °C -10–70 °C
▷ Communication protocol
Modbus RTU & ASCII Modbus RTU & ASCII
Modbus RTU & ASCII Modbus RTU & ASCII
Ordering Information
▷ ND-6117
8-ch analog input, RS-485, Modbus RTU and ASCII
▷ ND-6124
4-ch analog output, 4-ch digital input, RS-485, Modbus RTU
and ASCII
▷ ND-6150
8-ch digital input, 8-ch digital output, RS-485, Modbus RTU
and ASCII
▷ ND-6160
4-ch relay output,4-ch digital input, RS-485, Modbus RTU
and ASCII