Edwards SIGA-CRI Module Control Relay

The Edwards SIGA-CRI is a Signature Series intelligent control relay module for Edwards EST4 (EN54) analogue addressable systems. It provides a Form C dry relay contact to control external equipment such as door closers, fans and dampers. On command from the loop controller the relay operates its normally open or normally closed contact, and the on-board microprocessor ensures the relay is in the correct on/off state. It supports a single personality, so no user configuration is needed.

Key features

• Form C dry relay contact (N.O. or N.C.)
• Controls door closers, fans, dampers and similar equipment
• Microprocessor ensures the relay is in the correct state
• One personality - no user configuration required
• One-gang mounting
• Signature Series intelligent device with on-board microprocessor (distributed intelligence)
• Self-diagnostics and history log stored in non-volatile memory
• Automatic device mapping by the Signature loop controller
• Fast, stable digital communication - shielded or twisted wiring is not required

Technical specifications

• Output: Form C dry relay contact
• Mounting: one-gang
• Data sheet reference: E85001-0706
• Signature loop controller: 3-SSDC2-E (single) or 3-SDDC2-E (dual) on the EST4 panel