Overview

The DH-485/RS-232C Interface Module, catalog number 1747-KE, serves as a communications interface module that bridges DH-485 networks and devices requiring the DF1 protocol. This module features a DF1 port that can be configured for RS-232/423, RS-422, or RS-485 devices. Residing within an SLC 500 chassis, the 1747-KE module is primarily used as an interface module, linking remote DH-485 networks to a central host through a modem.

Specifications

• Power Supply Loading at 5V dc

  • 0.150 A (module only)
  • 0.150 A (module with link coupler)

• Power Supply Loading at 24V dc

  • 0.070 A (module only)
    • Note: If a 1747-AIC link coupler is connected to the 1747-KE module with a 1747-C11 cable, the link coupler draws its power (0.085 A @ 24V dc) through the module. Add this to the current listed for the link coupler.
    • If a 1747-AIC link coupler is connected to the 1747-KE module with a 1747-C13 cable, the power for the link coupler comes from either the SLC 500 controller or an external power supply.
  • 0.125 A (module with link coupler)

• Noise Immunity

  • NEMA Standard ICS 2-230

• Vibration

  • Displacement: 0.015 in., peak-to-peak at 5...57 Hz
  • Acceleration: 2.5 g at 57...2000 Hz

• Shock (Operating)

  • 30 g

• Port Isolation

  • CONFIG Port: 500V ac
  • DF1 Port: 500V ac
  • CONFIG and DF1 Port: 500V ac

• Ambient Temperature Rating

  • Operating: 0...+60 °C (+32...+140 °F)
  • Storage: -40...+85 °C (-40...+185 °F)

• Humidity

  • 5...95% without condensation

• Clock/Calendar Accuracy

  • ±1 minute/month at 25 °C (77 °F)
  • +0, -6 minutes/month at 60 °C (140 °F)