ADM12 Yokogawa Centum VP Datasheet & Technical Manual

Yokogawa ADM12 Centum CS RIO 16-Channel Analog Input Module

Yokogawa ADM12 Centum CS RIO 16-Channel Analog Input Module

Availability: 10 left in stock

Yokogawa ADM12 Analog Input Module Configured for multi-channel analog signal acquisition in Centum CS / Centum VP systems, the Yokogawa...

SKU: ADM12

Manufacturer: Yokogawa
Product No.: ADM12
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa ADM12 Analog Input Module

Configured for multi-channel analog signal acquisition in Centum CS / Centum VP systems, the Yokogawa ADM12, also cataloged as the ADM12 Analog Input Module, operates as a dedicated hardware component for capturing physical field variables within Remote I/O subsystems. The card establishes direct electrical connections with field transmitters, converting current loops and voltage signals into a 12-bit digital format to update the main distributed control network.

Layout Configuration Selection: Layout 1

Hardware Specifications

Parameter	Specification
Model	ADM12
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	1.0 kg (Shipping weight 3.0 kg)
Dimensions	22.0 cm x 13.0 cm x 3.0 cm
Operating Temp	-20 to +60 deg C
Power Consumption	3 W typical
Channels	16 analog input channels
Signal Input Range	4-20 mA DC, 1-5 V DC, +/- 10 V DC
Digital Resolution	12-bit A/D conversion
Calibrated Accuracy	+/- 0.1% of full scale
Internal Scan Update Rate	100 ms typical
Impedance Sourcing	250 Ohm (current mode), 1 MOhm or higher (voltage mode)
Absolute Input Limits	27 mA maximum (current), +/- 15 V maximum (voltage)
Galvanic Boundary Protection	Channel-to-system isolation rated at 1500 VAC
Storage Temperature	-40 to +70 deg C
Ambient Humidity Limits	5 to 95% RH (non-condensing)
Field Termination Wiring	Pressure clamp terminal block or MIL connector cable interface

Process Control & DCS Instrumentation Technical Attributes

The electrical topology of the module implements a high-density matrix that processes standard 4-20 mA HART loop protocol lines alongside low-voltage instrumental signals. To secure the control architecture against field-side electrical transients, the internal circuit utilizes a robust channel-to-system isolation barrier designed to withstand up to 1500 VAC continuous stress. Because the inner channel banks share common reference points, engineering layouts must prioritize precise wiring methods to avoid current leakage across non-isolated paths, while external filtering elements suppress high-frequency line noise during the 100 ms sequential multiplexer sampling scan.

Frequently Asked Questions

Q: Does the module support hot-swap replacement while the Remote I/O node is powered?

A: Hot-swapping must comply strictly with the specific Yokogawa baseplate design rules; online removal of the module breaks the internal RIO serial communications path momentarily, which will disrupt the 16 connected instrumentation loops.

Q: How does a field line short circuit affect the operation of adjacent module channels?

A: An absolute short circuit that drives input values past the 27 mA or +/- 15 V thresholds will saturate the input conversion amplifier, potentially injecting crosstalk anomalies onto adjacent points within the same multiplexed processing group.

Field Installation Guidelines

Baseplate Module Seating: Guide the card housing along the vertical slots of the RIO subsystem panel, applying balanced force until the terminal interface pins seat deeply into the active system backplane connector.
Instrumentation Line Separation: Layout all incoming 4-20 mA and voltage lines within separate grounded wire trays, maintaining physical distance from high-voltage motor starters and inductive supply switches.
Drain Wire Common Grounding: Terminate the outer copper shield drain layers of the field cables exclusively at the primary marshalling enclosure ground bar, ensuring the remote instrument end remains floating to block ground loop vectors.
Terminal Screw Tightening: Secure the terminal block interface screws according to standard cabinet specifications, ensuring firm contact to prevent resistance drifting under thermal expansion cycles.

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