Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
The IS220PAOCH1B is an analog output I/O module manufactured by General Electric as part of the Mark VIe Series for distributed control systems. The PAOC (Analog Output Pack) serves as the electrical interface between one or two I/O Ethernet networks and an analog output terminal board. It contains a common processor board utilized across Mark VIe distributed I/O packs, alongside a dedicated analog output acquisition board pair. This pack supports up to eight simplex 0–20 mA current loop outputs and features an integrated analog-to-digital converter to provide current feedback monitoring for each output channel. Inputs are processed via dual RJ45 Ethernet connectors and a three-pin power input, while outputs are delivered through a DC-37 pin connector that directly mates with the terminal board. The unit features indicator LEDs for visual diagnostics and supports local diagnostic communication via an infrared port.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Part Number | IS220PAOCH1B, REV B |
| Series | Mark VIe |
| Product Type | Analog Output Module |
| Number of Channels | Eight simplex current output channels |
| Analog Outputs | 0-20 mA, up to 900 Ohms |
| Accuracy | ±0.5% over -30 Celsius to 65 Celsius |
| Dimensions | 8.26 cm high x 4.19 cm wide x 12.1 cm deep |
| Country of Origin | USA |
| Operating Temperature | -30 to 65 Celsius (Pack exterior: -40 to 70 Celsius) |
| Output Compliance | 18 V |
| Digital-to-Analog Converter | 16-bit DAC per output channel |
| Analog-to-Digital Converter | 16-bit ADC for current feedback |
| Feedback Resistor | 50-ohm resistor on the terminal board |
| Connection Type | Function / Description |
|---|---|
| Dual RJ45 Ethernet Connectors | Network inputs for simplex, dual, or TMR configurations |
| 3-Pin Input | Power input |
| DC-37 Pin Connector | Output interface mating directly with the terminal board |
| Infrared Port | Local diagnostic communication |
Global Express Shipping
Returns & Warranty



The IS220PAOCH1B is an analog output I/O module manufactured by General Electric as part of the Mark VIe Series for distributed control systems. The PAOC (Analog Output Pack) serves as the electrical interface between one or two I/O Ethernet networks and an analog output terminal board. It contains a common processor board utilized across Mark VIe distributed I/O packs, alongside a dedicated analog output acquisition board pair. This pack supports up to eight simplex 0–20 mA current loop outputs and features an integrated analog-to-digital converter to provide current feedback monitoring for each output channel. Inputs are processed via dual RJ45 Ethernet connectors and a three-pin power input, while outputs are delivered through a DC-37 pin connector that directly mates with the terminal board. The unit features indicator LEDs for visual diagnostics and supports local diagnostic communication via an infrared port.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Part Number | IS220PAOCH1B, REV B |
| Series | Mark VIe |
| Product Type | Analog Output Module |
| Number of Channels | Eight simplex current output channels |
| Analog Outputs | 0-20 mA, up to 900 Ohms |
| Accuracy | ±0.5% over -30 Celsius to 65 Celsius |
| Dimensions | 8.26 cm high x 4.19 cm wide x 12.1 cm deep |
| Country of Origin | USA |
| Operating Temperature | -30 to 65 Celsius (Pack exterior: -40 to 70 Celsius) |
| Output Compliance | 18 V |
| Digital-to-Analog Converter | 16-bit DAC per output channel |
| Analog-to-Digital Converter | 16-bit ADC for current feedback |
| Feedback Resistor | 50-ohm resistor on the terminal board |
| Connection Type | Function / Description |
|---|---|
| Dual RJ45 Ethernet Connectors | Network inputs for simplex, dual, or TMR configurations |
| 3-Pin Input | Power input |
| DC-37 Pin Connector | Output interface mating directly with the terminal board |
| Infrared Port | Local diagnostic communication |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Black
|
| Country of origin |
United States
|
| Power source |
DC Power
|