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
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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)
- 0.070 A (module only)
-
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)
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