IS220PDIOH1A

The GE IS220PDIOH1A is a reliable and high-performance discrete input/output (I/O) module designed specifically for the Mark VIe and Mark VIeS control systems. It provides seamless digital signal acquisition and control, enabling precise operation of actuators, relays, and other field devices.

This module is engineered for mission-critical industrial applications, including turbine control, power generation, and process automation. With fast response times, robust electrical isolation, and advanced diagnostics, the IS220PDIOH1A ensures consistent system performance even in high-noise and harsh operating environments. Its compact footprint and flexible installation options make it a trusted solution for engineers seeking efficiency and reliability.

Technical Specifications

Parameter	Specification
Model	IS220PDIOH1A
Module Type	Discrete Input/Output Module
System Compatibility	Mark VIe / Mark VIeS
Digital Inputs	16 channels (24 V DC)
Digital Outputs	16 channels (relay type)
Output Rating	Up to 2 A @ 250 VAC / 3 A @ 30 VDC
Input Response Time	< 1 ms
Output Switching Time	< 10 ms
Isolation	Optical / Channel-to-channel
Power Supply	24 V DC
Power Consumption	≤ 9 W
Communication Interface	Dual Ethernet (IONet / Modbus)
Operating Temperature	-40°C to +70°C
Storage Temperature	-50°C to +85°C
Protection Rating	IP20
Dimensions (L×W×H)	123 × 82 × 42 mm
Weight	0.88 kg

Recommended Related Modules

IS220PDIAH1A – Discrete Input Module
IS220PDOAH1A – Discrete Output Module
IS220PAOCH1A – Analog Output Module
IS220PAICH1A – Analog Input Module
IS220UCSAH1A – Controller Module

Popular GE Mark VIe Modules

IS220PDIAH1B
IS220PDIIH1B
IS220YDIAS1A
IS220YDOAS1A
IS220PPROH1A
IS220PRTDH1A

Application Areas

The IS220PDIOH1A is widely used in industrial processes where robust and precise digital I/O is critical:

Turbine control and monitoring systems
Power plant distributed control systems
Oil & gas process automation
Heavy industrial automation lines
Safety interlock and emergency shutdown systems

Its integrated input/output design reduces panel space requirements while ensuring high-speed, accurate signal processing. (industrialplc.com)

Key Advantages

High-Density Digital I/O – Combines inputs and outputs in one module to save space
Fast Response – Sub-millisecond input detection and rapid output switching
Robust Electrical Isolation – Protects against electrical noise and surges (industrialplc.com)
Redundant Communication – Dual Ethernet ports improve system reliability
Compact & Rugged Design – Designed for easy panel installation in confined spaces
Advanced Diagnostics – Real-time channel monitoring for efficient maintenance

Technical FAQs

1. What is the main function of IS220PDIOH1A?
It acquires discrete input signals and drives discrete output devices within the Mark VIe system.

2. How many digital input channels does it have?
16 discrete input channels. (industrialplc.com)

3. How many output channels are available?
16 relay-type outputs suitable for industrial loads.

4. What is the input voltage range?
0–32 V DC, with 24 V DC nominal.

5. Does the module provide electrical isolation?
Yes, optical isolation ensures signal integrity and protection against noise. (industrialplc.com)

6. Can it operate in extreme temperatures?
Yes, from -40°C to +70°C, with storage up to -50°C to +85°C.

7. What is the response time for inputs?
Less than 1 ms, ideal for real-time control.

8. Are the outputs fast-switching?
Yes, typical output switching is under 10 ms.

9. What industries commonly use this module?
Power generation, oil & gas, heavy industry, and automation lines.

10. Why choose IS220PDIOH1A?
Its high-density I/O, fast response, strong isolation, and dual Ethernet redundancy make it a dependable solution for critical industrial control systems.

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