The GE IS220PDIOH1B, also cataloged as the IS220PDIOH1B Discrete Input/Output Module, serves as a hardware I/O pack for turbine control systems within the Mark VIe Speedtronic series, bridging Ethernet networks with discrete input/output terminal boards.
Hardware Specifications
Parameter
Specification
Model
IS220PDIOH1B
Brand
General Electric
Origin
USA
Weight
Not specified
Dimensions
Not specified
Operating Temp
Not specified
Power Consumption
Not specified
Product Type
Discrete Input/Output Module
Series
Mark VIe
Input Channels
24 DI
Output Channels
12 form C contact DO
Input Isolation
Optical isolation to 1500 V (group isolation)
Input Filter
Hardware filter, 4 ms
AC Voltage Rejection
60 V rms at 50/60 Hz at 125 V dc wetting voltage
Relay Command Channels
12 relays
Profinet / EtherNet/IP Deterministic Networks
The IS220PDIOH1B integrates into GE’s Mark VIe architecture, supporting Profinet and EtherNet/IP deterministic networks for synchronized communication. This ensures consistent cycle times, reduced jitter, and reliable discrete I/O processing across turbine control applications. The module’s processor board and acquisition board design allow seamless adaptation to terminal board voltage capabilities.
Frequently Asked Questions (FAQ)
Q: How many discrete inputs and outputs are supported? A: The module supports 24 contact inputs and 12 relay outputs.
Q: What isolation level is provided for inputs? A: Optical isolation up to 1500 V is applied across all inputs.
Q: Can the module reject AC voltage interference? A: Yes, it rejects 60 V rms at 50/60 Hz when operating at 125 V dc wetting voltage.
Field Installation Guidelines
Mount the IS220PDIOH1B securely within the Mark VIe chassis, ensuring proper connector engagement.
Maintain separation between discrete signal cabling and high-voltage wiring to minimize interference.
Apply shielded cabling with correct grounding to preserve input/output signal integrity.
Verify terminal board compatibility to ensure proper voltage adaptation.
Conduct functional checks of input filtering and relay outputs during commissioning.
