Question: Are the internal boards of both controller (1900R) & recorder (1900J) ER/C's interchangeable?
Answer: Some boards are interchangeable, while others are not. However, all boards for the Controller (1900R) are backward compatible to the Recorder (1900J). The following table should help determine which boards can be used in your application.
Controller Display Board. Designed for controllers. However, they could be used to monitor the PV1 (Left side) or PV2 (Right side)
Controller Main Display Board. This controller board can be used in a recorder (They can be easily established because the board is fully populated with components).
500S1096-1 (Early Version)
Recorder Display Board. Recorder only (Identified by having the left side un-populated).
Recorder Processor Board. Recorder only (Identified by the three dip-switch packages in a vertical row toward the center of the board).
Power Supply (Version A). Recorder/Controller compatible. You MUST use the Version A transformer in order to avoid damage to your equipment.
Digital Option Board (Version A): Recorder/Controller compatible. This board requires a Version A Motherboard, because the terminal block is attached to the motherboard. Version B has the Terminal Block installed directly on the Option Board.
Digital Option Board (Version B): Recorder/Controller compatible. Board is designed for version B Motherboard , but may be used with Version A Motherboard (Just install you wires on the Cards terminal block, and ignore the terminal block on the motherboard).
Controller Processor Board: This controller board can be used in a recorder. You just need to turn the control capabilities off (This board is identified by having the three dip-switches aligned horizontally across the bottom of the board).
Power Supply (Version B): Recorder/Controller compatible. You MUST use a Version B Transformer (500S1373) in order for the unit to work.
Motherboard (Version B): Recorder motherboard, however, you may use it in a controller as long as you are not using the analog option board. If you are using Digital options, you must use version B. (Identified by the fourth row down un-populated)
Motherboard (Version B): Controller motherboard, however, you can use it in a recorder. If you are using Digital options, you must use version B.
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