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DA-4 Addressable 4-20 mA Input Module

Brand: Detcon Inc

The Detcon DA-4 4-20 mA input module is a stand-alone serial addressable device. 

Each DA-4 has four sensor input channels that provide power to any 2-wire or 3-wire field sensor and collect standard 4-20 mA signal inputs. The 4-20 mA signals are communicated by the DA-4 to a host control device using RS485 Modbus RTU commands. 

DA-4 modules are din-rail mounted and stackable with slide-in connectors that bus the power and communications lines between modules. Modules are serially addressed using front panel switches and the LED flashes to demonstrate valid communications status. 

As serial devices, these DA-4 modules can be located locally or remotely and are connected using standard 4-wire serial communications cable. 

The DA-4 module is powered by a 11.5-30 Vdc input. This input voltage can be used to power any 2-wire or 3-wire field sensor: such as a combustible, toxic gas or any other industry standard 4-20 mA sensor device. 

Each module is designed with integral protection from voltage and current spikes found in typical industrial environments. 

The DA-4 4-20 mA Input Module can be combined with Detcon’s RL-4 (relay output), AO-4 (4-20 mA output) and DI-4 (contact input) line of I/O modules to create a rugged and reliable control system. 

Control System designs using the Detcon line of I/O modules are low-cost and simplified. 

They provide seamless expandability and simplified field wiring for low-cost installations.

1 - 3 of 3 Part Numbers
306-189320-300
306-189320-300
  • Product - 5-Position Interface Plug (1 per Module Grouping)
306-290876-000
306-290876-000
  • Product - Din Rail End Spacer (2 per Module Grouping)
976-041400-000
976-041400-000
  • Product - DA-4 Addressable 4 Channel 4-20 mA Input Module
1 - 3 of 3 Part Numbers

Specifications

Brand

Approvals & Certifications

  • ISO 9001: 2000

Communication

  • Baud Rate: 9,600 bit/sec
  • Modbus RTU
  • RS-485

Consumption

  • < 3 W at 24 Vdc - Power Consumption

Electrical Connectors

  • 5 Position Interface Plug

Electrical Protection

  • Voltage & Current Spikes

Environmental Protection

  • NEMA 1

Input

  • 11.5-30 Vdc
  • Four Field Sensors with 4-20 mA Input

Mounting

  • 35 x 7.5 mm DIN Rail Standard

Operating Temperature

  • 0° to 70° C (32° to 161° F)

Sensor, Probe Connection

  • 2-Wire
  • 3-Wire

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