ProductPRODUCT
Featured products
Contact Us
- GE
- IS420YDIAS1B
- Discrete Input I/O Pack Module
- USA
- 82.6 mm × 41.9 mm × 121.4 mm
- 0.52kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 78
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Introduction
The IS420YDIAS1B is a digital input/output module designed for the GE Mark VIe / Mark VIeS control system series. This module provides precise, high-speed digital signal acquisition and control for industrial automation environments. It is primarily used in turbine control systems, power generation, and process automation, where reliable detection and switching of digital signals is critical.
Brand: GE (General Electric)
Series: Mark VIe / Mark VIeS – Digital I/O Pack (YDI family)
Parameters
| Parameter | Specification |
|---|---|
| Model | IS420YDIAS1B |
| Brand | GE / GE Fanuc |
| Series | Mark VIe / Mark VIeS – Digital I/O Pack |
| Type | Digital Input/Output Module |
| Digital Input Channels | 16 channels, isolated, 24 VDC logic |
| Digital Output Channels | 8 channels, isolated, relay / transistor selectable |
| Input Response Time | < 2 ms |
| Output Response Time | < 2 ms |
| Power Consumption | ~4.5 W |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Isolation Voltage | 500 VAC between input, output, and power circuits |
| Dimensions (H × W × D) | ~82.6 mm × 41.9 mm × 121.4 mm |
| Weight | ~0.52 kg |
| Mounting | Plug-in module into Mark VIe I/O rack |
Applications
-
Turbine digital control, including start/stop sequences, trip signals, and limit monitoring.
-
Power plant automation for gas, steam, and hydroelectric systems.
-
Industrial process control, monitoring discrete events such as valve positions, pump status, and safety interlocks.
-
Safety Instrumented Systems (SIS) requiring fast and reliable digital switching.
-
Retrofitting or upgrading existing Mark VIe/VIeS control racks with modern digital I/O.
Advantages
-
High-speed digital input/output with response times <2 ms.
-
Electrically isolated channels reduce cross-talk and improve system reliability.
-
Compact, lightweight, and plug-in design for easy maintenance.
-
Rugged design supports wide temperature ranges (–40 °C to +70 °C).
-
Supports redundant configurations and system diagnostics.
-
Configurable outputs (relay or transistor) provide flexibility for different field devices.
-
Ideal for retrofitting and expansion of existing turbine control systems.
Related Models (Same Series / Alternatives)
| Model | Type | Description | Key Specs |
|---|---|---|---|
| IS420YDIAS1A | Digital I/O Pack | Previous revision of IS420YDIAS1B | 16 inputs, 8 outputs |
| IS420YDIAR1B | Digital Relay Output Pack | Outputs-focused digital pack | 16 relay outputs |
| IS420YDIBS1B | Digital Input Pack | Inputs-focused digital module | 32 inputs isolated |
| IS420YDIAR2A | Digital Output Pack | Dual relay outputs | 8 channels, 24 VDC |
| IS420UCSBH4A | Controller Module | Mark VIe core controller | High-performance, 1.3 kg |
Popular Models from GE / GE Fanuc
| Model | Series | Type | Key Specification |
|---|---|---|---|
| IS420UCSBH3A | Mark VIe | Controller Module | Core processing module |
| IS420ESWBH3A | Mark VIe | Ethernet Switch Module | Networking for I/O communication |
| IS220AIIBH2A | Mark VIe | Analog Input Module | High-density analog inputs |
| IS430SNUAH1A | Mark VIe | Hybrid I/O Module | Mixed analog/digital I/O |
| IS200VCMIH2BCC | Mark VIe | Bus Master Controller | IONet network management |
FAQ (10 Q&A)
Q1: What is the main function of the IS420YDIAS1B?
A1: It provides high-speed digital input/output for the Mark VIe/VIeS control system.
Q2: How many input channels does it support?
A2: 16 isolated digital input channels.
Q3: How many output channels are included?
A3: 8 outputs, configurable as relay or transistor.
Q4: What is the operating temperature range?
A4: –40 °C to +70 °C.
Q5: What are the module dimensions and weight?
A5: ~82.6 × 41.9 × 121.4 mm; ~0.52 kg.
Q6: Is it suitable for redundant configurations?
A6: Yes, it supports simplex and TMR configurations.
Q7: What is the response time of digital channels?
A7: Less than 2 ms for both input and output channels.
Q8: Is channel isolation included?
A8: Yes, all inputs and outputs are electrically isolated.
Q9: Where is it typically applied?
A9: Turbine control, industrial automation, SIS, and retrofits.
Q10: What makes it better than older digital I/O modules?
A10: Faster response, electrical isolation, flexible output configuration, compact design, and wider temperature tolerance.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.