The GE IS220YDIAS1AK, also cataloged as the IS220YDIA Discrete Contact Input I/O Module, operates as a dedicated hardware component for discrete contact status monitoring within Mark VIe control system networks.
Hardware Specifications
Parameter
Specification
Model
IS220YDIAS1AK
Brand
General Electric
Origin
USA
Weight
0.91 kg (2 lbs)
Dimensions
138 x 86 x 56 mm
Operating Temp
-30 to 65 deg C
Power Consumption
18 to 32 VDC input supply
System Series
Mark VIe
Onboard Memory
256 MB DDR SDRAM
Operating System
QNX Neutrino
Software Compatibility
ControlST V04.03.18C
Relative Humidity
5% to 95% (non-condensing)
Backplane Bus Communication Velocity & Firmware Flash Compatibility
Powered by the QNX Neutrino real-time operating system and 256 MB of DDR SDRAM, the GE IS220YDIAS1AK maintains high backplane bus communication velocity across dual IONet Ethernet interfaces. The module digitizes optical and contact sensor inputs, applying noise filtering and sequence-of-events (SOE) timestamping at the hardware layer. Dedicated internal memory architectures ensure full firmware flash compatibility through GE ControlST management software, allowing online flash updates without disturbing adjacent I/O packs on the terminal board.
Frequently Asked Questions
Q: What operating system and memory architecture power the IS220YDIAS1AK module?
A: The module operates on the QNX Neutrino real-time operating system utilizing 256 MB of onboard DDR SDRAM.
Q: What power supply range is required for module operation?
A: The module operates within an input supply range of 18 VDC to 32 VDC.
Q: How is firmware maintained on the IS220YDIAS1AK?
A: The module features firmware flash compatibility managed directly through GE ControlST V04.03.18C or compatible system software.
Field Installation Guidelines
Isolate power to the field terminal board before attaching or removing the IS220YDIAS1AK I/O pack.
Maintain electrostatic discharge (ESD) protection by using a grounded wrist strap attached to the metal cabinet frame.
Align the module connectors with the matching terminal board interface.
Push firmly until fully seated, and secure the mechanical retaining screws to establish ground continuity.
Connect Ethernet network lines to the designated IONet ports before energizing the 24 VDC power feed.
