Connections; Terminal Board Arrangement - Omega RD2800 Series User Manual

4. CONNECTIONS

The terminal boards shown in the following figure are of recorders with the options (alarm output +
remote contacts and communications interface).
RD200
Communications terminals
(option)
Measuring input terminals
*The mechanical relay "c" contact output is consisted of three terminals of N.O, COM and N.C.
The input terminal and alarm terminal blocks are removable.
Reference
The input terminal block and alarm terminal block (including the remote contacts terminal block) are
removable for easy connections. Each terminal block can be taken out by removing two mounting screws.
Each terminal block is connected to your recorder by a connector. For mounting or dismounting the terminal
block, turn off the power switch to prevent the electric circuits from being damaged.
RD200
Input terminal
block
Mounting screw
Remarks
Removed terminals have to be remounted to the recorder to which they were originally mounted.
Mounting them to other recorders may cause a malfunction in scaling.

4.1 Terminal Board Arrangement

Power supply terminals
Remote contacts
terminals option)
Power supply
terminals (option)
－１３－
RD2800
Communications terminals
(option)
Measuring input terminals
RD2800
Input terminal
block
Mounting
screw
Power supply terminals
Remote contacts
terminals (option)
Power supply
terminals (option)