Parts List
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Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 229
April 2017
Table 10-4 Recorder parts associated with options
Recommended
Spare Parts per
30754922-501
30754922-502
Control Output #1 or #2 PCB
For FM Approved Output PCB
30755306-501
30755306-601
Control Output Relay – 1 relay
Control Output Relay – 5 relays
Alarm output/digital input PCB kit
Ribbon cable (34-conductor) See Note 3
Kit of 5 Bulbs (General Instruments 1828 or
equivalent)
Input PCBs (optional second input)
Battery (Duracell DL2450 or equivalent)
51404561-502
51404561-503
51404561-504
51404561-505
Main board (with Daughterboard Rev.B and w/o
Daughterboard)
RS485 Comms only
RS485 Comms + 4/ 20 mA Aux Output
Main board (with Daughterboard Rev.A)
RS485 Comms only
RS485 Comms + 4/ 20 mA Aux Output
Configuration Lockout Hardware
NOTE 3: Part included with alarm output/digital input PCB kit 30756140-001.
*Includes connectors and standoffs as required.
Note 4: Processor Board change occurred approximately September 2009. See Diagram below for daughter board.