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Yokogawa ADM52 Digital Contact Output Module

Configured for discrete field actuation in CENTUM CS 3000 and μXL systems, the Yokogawa ADM52 (ADM52 Digital Contact Output Module) provides direct physical/electrical execution of 16-channel contact output signals through a 32-point connector interface.

Suffix Breakdown & Model Matrix

• ADM52: Standard 16-channel digital/contact output card
• No additional suffixes or variants defined in source data
• Base series ADM52: Legacy Yokogawa Digital Contact Output Module family

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa ADM52
Origin	Japan / Singapore
Weight	Approx. 0.3 kg
Dimensions	2.5 cm x 22.9 cm x 7.6 cm
Number of Outputs	16
Output Type	Contact output
Output Voltage	30 VDC
Output Current	100 mA
Connector Type	32-point high-density connector
Signal Isolation	Channel-to-system isolation withstanding up to 1500 V AC
Mounting	Slide-in rack module compatible with RIO nests

Yokogawa Channel Isolation and Contact Switching Characteristics

• Each channel is electrically isolated to prevent backfeed or cross-channel interference.
• Dry contact output is suitable for driving low-current relays and alarm indicators.
• High-density connector ensures stable mechanical and electrical connection in vibration-prone industrial environments.
• Internal surge protection and isolation support enduring operation under transient voltage conditions.

Frequently Asked Questions

Q1: Can the ADM52 module handle simultaneous switching of all 16 outputs at maximum current?
A1: Yes, each channel is rated for 100 mA and can switch simultaneously provided total thermal limits are respected.

Q2: Does the module support hot-swapping in an operational RIO rack?
A2: No. The ADM52 is not designed for hot-swap insertion; power must be removed before installation or removal.

Q3: What is the maximum voltage tolerance per contact channel?
A3: The output contacts are rated for 30 VDC nominal, with isolation tolerances of 1500 V AC between channels and system circuits.

Field Installation Guidelines

• Verify correct orientation of module slide rails before insertion into RIO rack
• Ensure connector pins are aligned; excessive force may damage high-density connector
• Ground RIO rack according to standard industrial grounding practices
• Avoid routing high-current power cables parallel to digital output signal lines
• Inspect mechanical latch and locking mechanism to maintain module retention under vibration

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