GE IS220PSVOH1A Servo I/O Module

I/O Count & Ranges
• Servo Valve Outputs: 2 channels, 10–120 mA DC
• Pulse Rate Inputs: 2 channels, 0–20 kHz, TTL/24 V
• LVDT Inputs: 8 channels, 3.2 kHz excitation, 15 Ω max lead resistance
• Isolation: 2 500 V RMS channel-to-channel

Functional Features
• Simplex servo control for single-string applications
• Dedicated I/O board plus standard Mark VIe processor board
• Dual RJ45 Ethernet ports for IONet redundancy
• On-board diagnostics LEDs and IR serial port for local troubleshooting
• Hot-swappable in Mark VIe rack
• Firmware upgrade via Ethernet or CF card
• Boolean ladder-logic programming environment
• Real-time servo loop tuning via GE ToolboxST  

Typical Applications
• Steam & gas turbine servo valve position control
• Boiler feed-pump speed and valve positioning
• Compressor anti-surge valve loops
• Industrial gas turbine fuel-metering valves
• Test-cell dynamometer throttle control

Installation & Integration
• Mounts directly on TSVO terminal board using DC-62 connector
• Compatible with all Mark VIe control racks
• Shielded twisted-pair for LVDT and pulse inputs
• 24 AWG minimum wire size recommended
• Grounding stud provided for EMC compliance

Ordering & Delivery
• Part Number: IS220PSVOH1A
• Origin: United States
• Warranty: 12 months return-to-factory
• Package Contents: module, extraction handle, ground strap, GEH-6721 quick-start guide