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- Emerson
- A6500-RC
- System Relay Card
- USA
- 60 mm x 128.4 mm x 160 mm
- 0.45kg
- Xiamen, China
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Product Introduction
The A6500‑RC is a 16‑channel output relay module designed for critical rotating‑machinery protection in industrial plants. It forms part of the AMS 6500 Machinery Health & Protection Series, and when used with the system rack and measurement cards, provides a full machine‑protection capability compliant with API 670. The module accepts multiple input signals (clear, alert, alarm) from a monitoring system and applies configurable Boolean logic and time‑delay to drive 16 SPDT relay outputs. Its design emphasises high reliability, space efficiency (3U height module, 2‑slot width) and integration into enterprise‑grade monitoring and protection architectures.
This module is ideal for use in turbines, compressors, generators, pumps and other critical rotating assets where timely, accurate relay actuation is required to activate alarms, trip systems or interface with plant control systems.
Parameters
| Parameter | Specification |
|---|---|
| Model | A6500‑RC |
| Brand | Emerson |
| Series | AMS 6500 Machinery Health & Protection Series |
| Type | 16‑Channel Output Relay Module |
| Digital Input Channels | 66 inputs (clear/alert/alarm signals) |
| Logic Networks | Up to 16 logic networks (Boolean logic, time delay) |
| Relay Output Channels | 16 SPDT (single‑pole double‑throw) relay outputs |
| Maximum Voltage Capacity | 32 V DC / 48 V AC |
| Output Load Ratings | AC1: 48 V / 2 A; DC1: 32 V / 2 A; DC‑13: 24 V / 1 A; AC‑15: 24 V / 2 A |
| Turn‑on / Turn‑off Time | 10 ms (NO contact), 13 ms (NC contact) (without logic processing) |
| Power Consumption | Max 6 W |
| Operating Temperature | –20 °C to +70 °C |
| Storage/Transport Temp. | –40 °C to +85 °C |
| Protection Class | IP 20 (IEC 60529) |
| Vibration | 0.15 mm (10‑55 Hz), 20 m/s² (55‑150 Hz) (IEC 68‑2) |
| Shock | 150 m/s², 4000 shocks per axis (IEC 60068‑2‑27) |
| EMC | EN50081‑1 / EN50082‑2 |
| Dimensions (W × H × D) | Width ~60 mm (12 TE), Height ~128.4 mm (~3 HE), Depth ~160 mm |
| Weight | Approx. 0.32 kg (net) / approx. 0.45 kg (gross) |
| Mounting Type | 3U size, 2‑slot plug‑in module for A6500‑SR rack |
| Compliance | API 670 compatible |
| Typical Applications | Critical rotating machinery monitoring and protection |
Applications
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Turbines (steam, gas, hydraulic) where overspeed, vibration or misalignment events need rapid relay response.
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Compressors and large pumps in oil & gas, petrochemical, power generation industries, where machine‑health alarms must trigger protective action.
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Generator sets and backup power systems in utilities and industrial plants, interfaced to machine‑protection systems.
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Water treatment and offshore installations where compact relay cards provide space‑efficient protection logic within a rack architecture.
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Manufacturing heavy‑industry equipment (rolling mills, large motors, gearboxes) where a dedicated relay logic network monitors multiple channels and triggers shutdown or alarm.
Advantages
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Compact, space‑saving form‑factor: 3U height, 2‑slot width module takes significantly less cabinet space compared to older 6U cards.
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High reliability for critical machines: Designed according to API 670 standard, with proven mechanical/vibration/EMC robustness.
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High integration and logic flexibility: 66 inputs plus 16 logic networks allow complex logic configurations (AND, OR, XOR, time delays) feeding 16 output relays.
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Fast response and configurable outputs: Relay outputs with turn‑on/off times as low as 10 ms and configurable contact types (NO/NC) for diverse trip or alarm functions.
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Hot‑swappable module architecture: Minimizes plant downtime when replacing modules in a running rack system.
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Industrial environment suitability: Broad operating temperature range, high shock/vibration tolerance, IP20 protection, compliant with industrial EMC/vibration standards.
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System‑friendly design: Integrates into the AMS 6500 health monitoring architecture and supports connection to enterprise control systems, enabling unified machine‑health / trip logic frameworks.
Brand & Series
-
Brand: Emerson
-
Series: AMS 6500 Machinery Health & Protection Series
The AMS 6500 series provides a modular platform of measurement cards, relay cards, communication cards and system racks designed for rotating‑machinery health and protection. Modules share a common form‑factor, rack architecture and integration features, enabling plants to combine measurement, protection and communication functions into a single system.
Related Models (Same Series / Functional Alternatives)
| Model | Type | Description | Key Specs |
|---|---|---|---|
| A6500‑UM | Universal Measurement Card | Dual‑channel measurement card for displacement/velocity/accel | 2 measurement channels, depth ~160 mm, weight ~approx. 1 kg |
| A6500‑CC | Communication Card | Modbus TCP/RTU, OPC UA interface for rack | Ethernet/USB, depth ~160 mm, weight ~approx. 0.4 kg |
| A6500‑TP | Process Input Card | Process (RTD/4‑20 mA) measurement card | Multi‑channel process inputs, size similar to UM card |
| A6500‑RC/DP | Relay Card with duplicate features | Same function as A6500‑RC, optional enhanced logic/outputs | 16 relay outputs, 66 inputs, compact 3U form |
| A6500‑FR | Front‑termination Rack Card | compact rack version for measurement/protection integration | Rack dimension ~12.25″ width, supports one relay card + inputs |
Popular Models from the Same Brand
| Model | Series | Type | Key Specs |
|---|---|---|---|
| KJ4001X1‑BA1 | DeltaV | Control Processor Module | 24 V DC supply, size approx. 150×185×70mm, weight ~0.56 kg |
| VE4003S2B1 | DeltaV | Communication Interface Module | 24 V DC, size ~130×185×65mm, weight ~0.50 kg |
| VE4002S1T2B1 | Ovation | Digital Output Module | 24 V DC, size ~130×185×65mm, weight ~0.46 kg |
| KJ2003X1‑BB1 | DeltaV | Analog Output Module | 0‑10 V / 4‑20 mA, size ~130×185×65mm, weight ~0.48 kg |
| VE4005S2B1 | Ovation | Analog Input Module | 0‑20 mA / 4‑20 mA, size ~130×185×65mm, weight ~0.52 kg |
FAQ (Frequently Asked Questions)
Q1: What is the primary purpose of the A6500‑RC module?
A1: It serves as a 16‑channel relay‑output interface card in a machinery‑health protection system, receiving logic inputs (clear/alert/alarm signals) and driving relay outputs according to configured logic networks.
Q2: How many digital input channels does the A6500‑RC support?
A2: It supports up to 66 digital input channels for control logic signals.
Q3: How many relay output channels are provided?
A3: There are 16 SPDT relay output channels provided by the module.
Q4: What is the maximum output load for each relay?
A4: The relay output can handle up to 2 A at 32 V DC or up to 2 A at 48 V AC in the AC1 rating.
Q5: What is the operating temperature range of this module?
A5: The module operates reliably between –20 °C and +70 °C; it can be stored between –40 °C and +85 °C.
Q6: What form factor and mounting is used?
A6: The module is a 3U‑height, 2‑slot plug‑in card designed for the A6500‑SR rack.
Q7: What is the approximate weight of the module?
A7: The net weight is approximately 0.32 kg; the gross (packaged) weight is around 0.45 kg.
Q8: Is the module hot‑swappable?
A8: Yes, the module supports hot‑swapping in the rack architecture, enabling minimal downtime for replacement.
Q9: What standards does this module comply with?
A9: It complies with API 670 standards for machinery protection systems, as well as industrial vibration/shock and EMC/EMI standards (e.g., IEC 60068 series, EN50081‑1 / EN50082‑2).
Q10: Can the logic networks be configured by the user?
A10: Yes, the module supports up to 16 configurable logic networks using Boolean logic operations and configurable time delays, allowing custom alarm/trip logic to be built by the user.
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