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Illustrative image of: Davicom MEXM-1: Site Control Accessories: MEXM-1

Davicom MEXM-1

Davicom

BSW PART:
MEXM-1

Expansion unit with 24 metering inputs, 24 status inputs and 24 relay outputs

More Davicom More Site Control Accessories

Want to multiply your Davicom’s input and output points? The MEXM-1 will help you do that! Adding a single MEXM-1 to a DV-Micro yields a total of 32 metering inputs, 32 status inputs and 32 relay outputs for a very low price. These extra I/O’s are directly integrated into the DV-Micro’s control structure, therefore taking full advantage of the Davicom’s powerful control, monitoring and automation functions.

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  • Specifications:
  • Metering inputs:
  • Number: 24
  • Voltage ranges: ±2.5, ±5, ±10, ±25, ±50 VDC
  • Impedance: 1 MOhms
  • Protection: Clamping diode
  • Accuracy: 1%
  • A/D resolution: 12 bits
  • Connector type: Weidmuller pluggable screw terminal
  • Status Inputs:
  • Number: 24
  • Logic levels: High=+2.4 to +12VDC, Low=-12 to +0.8VDC. EIA compatible
  • Impedance: >22kOhms
  • Protection: Optoisolated
  • Ground: Internal or External, individually selectable
  • Dry/wet contact: Individually selectable with pull-up resistor
  • Connector type: Weidmuller pluggable screw terminal
  • Outputs:
  • Number: 24
  • Type: Form C Relay or Open collector, individually selectable
  • Rating: 70VAC @ 0.4A, 30VDC @ 2A. Open collector at 100mA
  • Connector type: Weidmuller pluggable screw terminal
  • Interface protocol:
  • Modbus: RTU or TCP modes
  • RTU Mode:
  • Connector: USB, RJ-9 for a daisy chain (up to 7 units)
  • TCP Mode:
  • Connector: RJ-45 (up to 8 units)
  • Power Supply: 12 VDC
  • Typical current requirements at 12VDC:
  • Idle: 150 mA
  • Startup: 150 mA
  • Max (all relays energized): 480 mA
  • Dimensions: 48.3 x 8.7 x 3.6 cm, 19" x 3.44" x 1.42" (including Weidmuller terminals)
  • Weight (unit only): 1.3 kg