Description: New Overstock partsRS485 Port Card P/N 637-4890 and P/N 537-4890The E2 main board has two RS485 Network channels, allowing you to connect input and/or output boards via the RS485 Network. This optional card adds a second RS485 port (COM4) to the E2, allowing a connection to the ISD compressors, Control Link devices, and other supported MODBUS devices.The plug-in RS485 Network card connects to the power interface board between the two fixed RS485 I/O Network connectors and the battery.These work really good if desiring to seperate your comm ports for ISD compressors and your I/O boards. Helps in identifying trouble alarms when present.Many of these have been installed and worked great for adding and separating comm ports.. Works great for separating HVAC units and Refrigeration circuits on a E2 controllers.Easy to install and set up.Instruction Manual on how to install and set up is found in the E2 manuals (4.3.5E2 )These are electronic parts and returns are not accepted. These are brand new and are overstock parts.FREE Shipping in the U.S.
Price: 90 USD
Location: Hastings, Michigan
End Time: 2025-01-19T19:09:47.000Z
Shipping Cost: N/A USD
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All returns accepted: ReturnsNotAccepted
Brand: CPC
MPN: 537-3700
