2. Specifications
2.2. Part names and functions
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Resistance Temperature Detector 2MLF-RD4A User's Guide
R200
Honeywell
September 2010
The respective parts of 2MLF-RD4A are as described in the Table 2.
Table 2 – Parts of 2MLF-RD4A
No
Name
Description
①
RUN LED
Displays the hardware operation status (Fatal Error)
ON: Normal
Blinking: Error (0.2s Blinking)
OFF: DC 5V disconnected, hardware error
②
ALM LED
Displays the status of the channels (Non-Fatal Error)
ON: Normal status
Blinking: Disconnection is detected (1s Blinking)
OFF: Operation stop of all channels
③
Terminal Block
3-wire RTD sensors can be connected