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PC Based Industrial Automation

Featured Product

This months featured product is the ADAM-4520 RS-232 to RS-485 converter.
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ADAM-6066 6-ch Digital Input and 6-ch Power Relay Modbus TCP Module

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ADAM-6066 ModuleThe ADAM-6066 provides 6 power relay outputs and 6 digital inputs with 2000V RMS isolation protection. It connects to an Ethernet network via Modbus/TCP. The digital input channels can be used as counters or frequency inputs. The power relay outputs feature Form A contacts rated at 5A/250VAC and 5A/30VDC. The ADAM-6066 also has a built-in web server that enables the module to be monitored and controlled from any location with access to the network. In addition it supports "Peer to peer" mode whereby two modules can be configured to communicate with each other directly and inputs on one module can be linked to outputs on another module. Using this feature inputs on one module can be used to activate outputs on another remote module anywhere on the network.


  • 6 Digital Input Channels
  • 6 Power Relay Output Channels Form A contacts
  • Inputs Supports Wet/Dry contacts
  • Inputs can be configured as Counter/Frequency Inputs
  • Supports Peer-to-peer
  • Supports Graphic Condition Logic
  • Easy mounting on DIN-rail, panel or piggyback
  • 10/100Based-T Ethernet
  • Supports Modbus/TCP


Digital Input

  • Channels 6
  • Dry Contact
    Logic Level 0: close to GND
    Logic Level 1: open
  • Wet Contact
    Logi Level 0: 0 - 3VDC
    Logic Level 1: 10 - 30VDC
  • Supports 3kHz Counter Input (32bit + 1-bit overflow)
  • Keep/Discard Counter Value when Power-off
  • Supports 3kHz Frequency Input
  • Supports Inverted DI Status

Relay Output

  • Channels 6 Form A)
  • Contact Rating (resistive)
    250VAC @ 5A
    30VDC @ 5A
  • Breakdown Voltage 500VAC (50/60Hz)
  • Relay On Time 7msec
  • Relay Off Time 3 msec
  • Total Switching Time 10msec
  • Insulation Resistance 1GΩ
  • Maximum Switching Rate (at rated load) 20 operations/minute
  • Supports Pulse Output

Ethernet Communications

  • Compatibility IEEE 802.3, IEEE 802.3u
  • Speed 10/100 Mbps
  • No. of ports 1
  • Port Connector 8-pin RJ-45
  • Protection Built-in 1.5KV magnetic isolation


  • Watchdog Timer System (1.6second) and Communication (programmable)
  • Supports Modbus/TCP,TCP/IP,UDP and HTTP Protocols
  • Protection
    Over-voltage Protection ±35VDC
    Isolation Protection 2000VDC
  • Built-in TVS/ESD Protection
  • Power Reversal Protection


  • Dimensions (H x W x D) 70 x 130 x 30mm
  • Enclosure ABS + PC with solid mounting hardware
  • Mounting DIN 35 rail, stack, wall

Power Requirements

  • Power Input Unregulated 10 - 30VDC
  • Power Consumption 2W @ 24 VDC


  • Operating Temperature -10 to 70°C
  • Storage Temperature -20 to 80°C
  • Operating Humidity 20 to 95% RH (non-condensing)
  • Storage Humidity 0 to 95% RH (non-condensing)