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Modbus Digital I/O Series - D1700M

D1700M Series Modules   D1700M Series Boards   D1700M Features   Documentation

 
 
 
D1700M Modbus RTU 15-Bit Digital I/O Module

The 1700M Modbus series digital I/O series modules provide computer monitoring of digital input and digital output signals for control of industrial devices through solid state relays.

The D1700M digital I/O modules allow a single host computer to control thousands of I/O points from one serial port using RS-485 and repeaters in Modbus RTU format. When using RS-232 in Modbus format you are limited to one board or module.

The digital inputs accept a wide signal level input, up to +30Vdc without damage, and have TTL logic input switching levels.

The digital outputs are open-collector transistors will sink: 30mA (D1701/D1702), 100mA (D1711/D1712) making them ideal for controlling solid state relays. The status of digital inputs and digital outputs are communicated to any host serial port in ASCII using either RS-232 or RS-485.

The D1711M and D1712M contain an onboard events counter that counts up to 10 million transitions that occur on the digital input. The event counter may be read and cleared by the host computer at any time.

The D1700 and D1700M digital I/O modules can also be mounted on a DIN-Rail using the MK-1 mounting kit.
  H1750M Modbus RTU 24-Bit Digital I/O Board

The H1700M digital I/O boards provide direct interface to industry standard mounting racks and solid-state relays. Industry standard 24 relay mounting racks can be controlled directly with the H1750M or H1770M digital I/O boards.

The D1700M digital I/O boards allow a host computer to control thousands of digital I/O points from one serial port. The H1750M contains 24-bits of user-selectable Inputs and Outputs. The H1770M contains 64-bits of user-selectable Inputs and Outputs.

The digital inputs accept signals up to +0-5Vdc without damage and have TTL logic input switching levels. The digital outputs are open-collector transistors will sink: 15mA making them ideal for controlling solid state relays. The status of digital inputs and digital outputs are communicated to any host serial port in ASCII using either RS-232 or RS-485.

The H1700M digital I/O boards are similar to the H1700 Series but communicates using the Modbus RTU protocol.
  H1770M Modbus RTU 64-Bit Digital I/O Board

Many industrial applications require a 'safe' start-up condition to prevent accidents at critical points in the process. Each 1700M contains an initial start-up value which is used to configure the digital outputs on power up. The initial value is use selectable and stored in EEPROM. Since each digital output is automatically configured on start-up, no software initialization routines are required.

The 1700M series contains a user- programmable software timer to provide an orderly shutdown of the output signal in the event of host computer or communications failure.

The H1700M digital I/O boards provide direct interface to industry standard mounting racks and solid-state relays. Industry standard 24 relay mounting racks can be controlled directly with the H1750M or H1770M digital I/O boards.
 
D1701M, D1702M Modules
  Data Sheet   User Manual
 
D1711M, D1712M Modules
  Data Sheet   User Manual
 
H1750M, H1770M Boards
  Data Sheet   User Manual
 
 
Modbus Compatibility

The DGH Modbus digital I/O modules are compatible with all commercial software programs and OPC servers that support the Modbus RTU protocol. Commercials software programs from Wonderware, Intellution, National Instruments LabVIEW, and Dasylab all support the Modbus RTU protocol.

OPC Servers from Kepware and MatrikonOPC support the Modbus RTU protocol and can be used to connect with other software programs.

Labview Block Diagram using Modbus Driver!

LabVIEW Block Diagram

 
 
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D1700M Modules D1700M Modbus RTU Compatible Modules
H1700M Boards H1700M Modbus RTU Compatible Boards
 
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