Description
The GE VME-PMC-CADDY is a VME-based carrier board designed to integrate PMC (PCI Mezzanine Card) modules into VMEbus industrial computer systems. It provides a bridge between VMEbus architecture and PCI-based PMC expansion modules, allowing users to extend legacy VME control platforms with additional communication, measurement, data acquisition, and processing functions.
The VME-PMC-CADDY supports up to two single-size PMC modules or one double-size PMC module. It uses the UNIVERSE CA91C142 VME-PCI bridge and supports VME master or slave operation, making it suitable for industrial automation, test systems, aerospace equipment, and legacy control applications requiring PMC expansion capability.
This board is commonly found in VME-based GE Fanuc / VMIC style control environments where additional PMC communication or processing modules need to be installed while maintaining the existing VME infrastructure.
🔹 Product Parameters Datasheet
| Parameter | Specification |
|---|---|
| Brand | GE / VMIC / ESD |
| Model | VME-PMC-CADDY |
| Series | VMEbus PMC Carrier Series |
| Product Name | VME PMC Carrier Board |
| Origin / Place of Origin | Germany / Industrial OEM Manufacturing |
| Product Status | Used Tested / Refurbished Spare |
| Dimensions | Approx. 160 mm × 233 mm |
| Weight | Approx. 0.5–0.8 kg |
| Power Requirement | VMEbus 5V Backplane Power |
| Discontinued Status | Legacy Product, Available as Industrial Spare |
🔹 Technical Features
🔸 VME64 carrier board for PMC expansion modules
🔸 Supports two single-size PMC modules or one double-size PMC module
🔸 Provides VME-to-PCI communication through UNIVERSE CA91C142 bridge
🔸 Supports VME master and slave operation modes
🔸 Supports A32/A24/A16 addressing and D8/D16/D32 data transfer
🔸 PMC I/O signals routed through VMEbus P2 connector
🔸 Compatible with IEEE P1386 PMC module standard
🔸 Designed for industrial computers, automation platforms, and measurement systems
🔸 Supports VME interrupt handling through front-panel indicators
🔹 Common Questions & Answers
Q: What is the main function of VME-PMC-CADDY?
A: The VME-PMC-CADDY is a carrier board that allows PMC expansion modules to be installed in VMEbus systems.
Q: How many PMC modules can be installed?
A: It can support two single-size PMC modules or one double-size PMC module depending on configuration.
Q: What type of systems use this board?
A: It is mainly used in VME-based industrial computers, automation systems, test equipment, and legacy control platforms.
Q: Can any PMC module be installed on this carrier?
A: Compatibility depends on PMC interface voltage, connector type, I/O routing, and the VME system configuration.
Q: What should be checked before replacement?
A: Verify VME rack compatibility, PMC module requirements, P2 connector pin assignment, power supply capacity, and existing software drivers before installation.
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