Simplex 565-087 — board-level replacement listed by Simplex as Graphic, 24-Point I/O for 4100, 4100+ and Universal Transponder equipment.
The common listing 24Pt I/O drops the important word. Simplex kept two separate 24-point items: a plain I/O interface board, and this graphic version, whose lamp driver circuitry lets an annunciator of LEDs and switches be wired point by point to the panel. Simplex documents that function in installation instructions 579-183.
- Listed as Graphic, 24-Point I/O in the 4100/4100+/UT parts list
- 24 points, in any mix of inputs and outputs
- Lamp drivers give On Steady, Slow Pulse and Fast Pulse annunciation
- Inputs unsupervised, supervised for opens, supervised for opens and shorts, or Hands Off Auto
- Module standby 55 mA at 8 VDC and 50 mA at 24 VDC; alarm 75 mA plus loads
- 32 to 120 °F (0 to 49 °C); 150 mA maximum per output
Confirm the number. 562-789 and 562-856 are the 24-point I/O interface daughter card and motherboard, and the 4100U and 4100ES parts lists build the 4100-1290 module from 562-789 and 562-858. 565-035 is the RCU and SCU Graphic I/O board.