Emerson A6500-RC AMS 6500 ATG System Relay Card
The programmable relay card that converts AMS 6500 ATG alarm conditions into sixteen configured relay outputs.
Product Profile
A6500-RC is the Emerson AMS 6500 ATG System Relay Card. It uses 66 digital inputs, configurable Boolean logic and time delays to drive 16 SPDT relay outputs for machinery-protection annunciation, interlock or trip service.
The 3U, two-slot module is hot-swappable and used with AMS 6500 ATG racks. Each relay path must be controlled through the saved logic configuration and final field-circuit record.
Technical Data
| Manufacturer | Emerson |
|---|---|
| Exact Model | A6500-RC |
| Product Family | AMS 6500 ATG |
| Product Type | System Relay Card |
| Digital Inputs | 66 |
| Logic Networks / Outputs | 16 logic networks; 16 relay outputs |
| Relay Type | SPDT |
| Maximum Contact Voltage | 32 V DC / 48 V AC |
| Output Load | AC1 48 V / 2 A; DC1 32 V / 2 A; DC-13 24 V / 1 A; AC-15 24 V / 2 A |
| Rack Form | 3U, two-slot plug-in module |
| Supported Rack | A6500-SR; redundant relay arrangements require the documented rack |
| Power Consumption | Maximum 6 W |
| Operating Temperature | -20 to +70 °C with forced cooling; -20 to +55 °C without forced cooling |
| Protection Class | IP20 |
| Relative Humidity | 5–95%, non-condensing |
| Configuration | Password protected; hot-swappable module |
System Role
Combines rack alarm inputs into configurable Boolean logic networks.
Provides sixteen SPDT relay outputs for final annunciation, interlock or trip circuits.
Supports time-delay and output-selection functions through graphical configuration software.
Allows relay state and module health to be checked from front-panel indications.
Compatibility
- Confirm the A6500 rack type, designated relay slot and rear connector arrangement.
- Export all logic expressions, delays, input sources and output assignments.
- Record relay load voltage, current, suppression and final field device for every channel.
- Use the documented redundant-relay rack when the application requires relay-card redundancy.
Applications
- Machinery-protection relay logic for steam turbines, gas turbines, compressors and hydro machinery.
- Common alarm, shutdown and interlock functions derived from AMS 6500 ATG protection channels.
- Redundant relay service when installed in the documented rack architecture.
FAQ
What must be backed up before replacing A6500-RC?
Save all input assignments, Boolean expressions, time delays, relay destinations, passwords and active bypass records.
Can A6500-RC be installed in any A6500 rack slot?
No. Confirm the rack type and designated relay position from the Emerson rack documentation.
What field information is needed to quote A6500-RC?
Provide rack and slot labels, rear connector, each relay load, contact use, logic file and final interlock or trip drawing.
Why must every relay path be function-tested after replacing A6500-RC?
Correct module diagnostics do not prove the field contact, wiring and final shutdown device operate as intended.
How should redundant A6500-RC service be planned?
Identify the redundant rack arrangement, active logic, bypass strategy and controlled transfer test before disturbing either card.
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