Delcos 3100 Wiring Diagram • Extended

Connect to the designated 24V terminals; always wait 12 minutes after disconnecting power before touching components to allow capacitors to discharge.

: Always disconnect the power supply and wait at least 12 minutes for power capacitors to fully discharge before touching electrical components. delcos 3100 wiring diagram

for capacitors to discharge before touching electrical components. Digital Inputs: Connect to the designated 24V terminals; always wait

Note: Delcos 3100 models vary (e.g., 3100C, 3100P). Always verify the specific diagram revision against your unit’s serial number. Digital Inputs: Note: Delcos 3100 models vary (e

| Terminal Block | Pin | Label | Function | Wire Color (Suggested) | |----------------|-----|-------|----------|------------------------| | Power (J1) | 1 | L / +V | AC Live (110-230V) or DC+ (24V) | Brown / Red | | | 2 | N / -V | AC Neutral or DC- | Blue / Black | | | 3 | PE | Protective Earth | Green/Yellow | | Inputs (J2) | 4 | IN1 | Digital Input 1 (e.g., limit switch) | White | | | 5 | IN2 | Digital Input 2 (e.g., start button) | White/Black | | | 6 | COM | Common for inputs (0V/DC-) | Black | | Outputs (J3) | 7 | OUT1 | Relay NO (Normally Open) – up to 2A | Yellow | | | 8 | OUT2 | Relay NO or Transistor (PNP) | Orange | | | 9 | COM OUT | Common for outputs | Blue | | Analog (J4) | 10 | AI1+ | Analog Input 1 (0-10V / 4-20mA) | Shielded + Green | | | 11 | AI1- | Analog Ground | Shielded Drain | | Comms (J5) | 12 | RS485 A | Data + (Modbus RTU) | Yellow/White | | | 13 | RS485 B | Data - | Yellow/Brown | | | 14 | GND_ISO | Isolated ground | Black |

: Terminals for Main Contactor, Delta Contactor, and Star Contactor.