IS220PSVOH1B - PSVO Servo Control I/O Pack | GE Mark VIe | B7B

IS220PSVOH1B is a General Electric PSVO Servo Control I/O Pack for GE SPEEDTRONIC™ Mark VIe control systems. The PSVO function supports servo control operation in turbine control and balance-of-plant applications that use the Mark VIe / Mark VIeS Distributed Control Hardware. It should be matched to the installed catalog number, hardware form, and cabinet configuration before it is used as a replacement.

GE documentation identifies the supported point or channel information as 2 servo channels, 8 LVDTs, 2 pulse rate inputs with TSVC. The electrical or signal interface is documented as Servo coil outputs, LVDT feedback, pulse rate inputs. The documented communications interface uses Dual RJ-45 Ethernet to IONet. The hardware uses a I/O pack mounted on terminal board form factor. The system architecture should be matched to the documented configuration, including Simplex or TMR per pack count. It should be matched with compatible hardware such as TSVC terminal board where that pairing is used in the site configuration.

This component is typically considered when troubleshooting Mark VIe hardware, replacing a failed module, evaluating repair options, or maintaining spare inventory for turbine control systems. Before installation, verify the catalog number, hardware revision, and associated terminal board or I/O pack configuration against site documentation and OEM requirements. The OEM reference for this listing is GEH-6721 Vol I; GEH-6721 Vol II.

Control system parts are provided by GTC Control Solutions, Inc., a wholly owned subsidiary of B7B. Parts are offered in unused, repaired, or remanufactured condition, subject to availability. Each repaired or remanufactured component undergoes comprehensive functional testing in energized panels to guarantee reliability and performance. We provide detailed test reports and warranties with every repair, giving you confidence in the quality and longevity of your replacement parts.