XM-441 Expansion Relay Module
- Expands the number of physical relays available to a host module
- Must be directly connected, via the side connector, to the right of any XM® measurement module
XM-442 EODS Relay Module
- Provides relay component of Electronic Overspeed Detection Systems (EODS)
- Includes three independent shutdown relays
- Includes one alarm relay
- Offers overspeed alarm inputs received from three independently connected XM® 220 Dual Speed Modules