AMC80 YOKOGAWA CENTUM VP Datasheet & Technical Manual

AMC80 YOKOGAWA CENTUM Multipoint Analog I/O Module

AMC80 YOKOGAWA CENTUM Multipoint Analog I/O Module

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YOKOGAWA AMC80 Multipoint Analog I/O Module The YOKOGAWA AMC80 serves as the primary AMC80 Multipoint Analog I/O Module utilized to...

SKU: AMC80

Manufacturer: Yokogawa
Product No.: AMC80
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AMC80 Multipoint Analog I/O Module

The YOKOGAWA AMC80 serves as the primary AMC80 Multipoint Analog I/O Module utilized to execute multi-channel analog signal acquisition and simultaneous control loop feedback across CENTUM CS and CENTUM VP platforms.

Hardware Specifications

Parameter	Specification
Model	AMC80
Brand	YOKOGAWA
Origin	Japan
Weight	0.30 kg
Dimensions	26.0 cm x 18.0 cm x 6.0 cm
Operating Temp	0 to 55 deg C
Power Consumption	Supplied via rack backplane bus
Analog Inputs	8 input channels (base configuration, hardware expandable)
Analog Outputs	8 output channels (base configuration, hardware expandable)
Input Signal Types	Current (4-20 mA DC), Voltage (0-10 VDC)
Output Signal Types	Current (4-20 mA DC), Voltage (0-10 VDC)
Conversion Resolution	16-bit A/D and 16-bit D/A converters
Measurement Accuracy	plus or minus 0.1 percent of Full Scale (FS) typical
I/O Processing Latency	<= 10 ms typical response time
Isolation Topology	Channel-to-channel and channel-to-system electrical isolation
Redundancy	Supports dual-redundant configuration matrix

Process Control Communication Architecture

The hardware executes active signal filtering while enforcing physical channel-to-system isolation barriers, grouping high-resolution A/D and D/A converters on a single card footprint to minimize rack space requirements. The integrated instrumentation circuits support the 4-20 mA HART loop protocol layer indirectly through standard system multiplexing, providing continuous digital telemetry updates alongside the raw 16-bit analog process variables. Internal logic sub-circuits monitor the active output loops, coordinating with the redundant partner module over the backplane bus to ensure seamless control transfer during hardware exceptions. The high-density isolation architecture suppresses electromotive noise injection from field cabling, keeping accuracy drift within plus or minus 0.1 percent of the full scale spectrum under active EMI conditions.

Frequently Asked Questions

Q: How does the AMC80 manage channel separation variances across differing sub-models like the AMC80-S1?

A: Certain model variants modify the internal physical circuit paths. While the standard AMC80 provides comprehensive channel-to-channel galvanic isolation, specific sub-models reduce individual channel insulation to accommodate higher density, requiring you to group field devices sharing a common electrical reference.

Q: What happens to the analog outputs if the primary module loses communication with the V-Net bus?

A: In a dual-redundant configuration, the backplane arbitration logic detects the communication dropout within milliseconds and triggers a bumpless transfer to the backup module. If both modules lose communication, the outputs switch to pre-configured fail-safe states or lock at their last valid hold value.

Field Installation Guidelines

Backplane Interface Engagement: Seat the module directly into the dedicated slots of the Yokogawa DCS rack, tightening the integrated front retaining screws to ensure reliable pin engagement with the backplane bus.
Signal Connector Routing: Connect field sensor lines through the designated front multi-pin connector assembly, routing low-voltage analog inputs away from high-power AC lines to prevent magnetic noise coupling.
Shielding and Grounding Standards: Connect all external cable shields to a single, dedicated instrument ground bar, preventing ground loop currents from circulating through the 16-bit conversion circuits.
Environmental Boundary Preservation: Install the card inside an enclosure meeting at least IP20 conditions, keeping the local humidity between 5 and 95 percent non-condensing to protect the internal electronic traces.

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