Nor-Lake Undercounter BOD Refrigerator Incubator - Manual (Page 11)

Page 11 04/14 Rev. B 151749
Modbus(RTU) Communication Card
This section details the optional RS485 communications card. It enables the
communications of parameters via Modbus(RTU).
Installation
Remove the “Serial Card” placement cover with a screw driver.
Trim a hole in the cover to allow access to the communications card.
Install communications card. The 4-pin connector on the communications card
mates with a 4-pin connector on the main controller.
Install the cover. The 3-pin connector should protrude through the cover.