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DeviceNet Module Yokogawa ALD112-S00 S1

DeviceNet Module Yokogawa ALD112-S00 S1

Configured for DeviceNet master interface communication in CENTUM VP and CS 3000 systems, the Yokogawa ALD112-S00 S1 (ALD112 DeviceNet Module) provides direct physical and electrical execution of field-level network data...

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SKU: ALD112-S00 S1
Vendor: Yokogawa
Category: DeviceNet Module
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Configured for DeviceNet master interface communication in CENTUM VP and CS 3000 systems, the Yokogawa ALD112-S00 S1 (ALD112 DeviceNet Module) provides direct physical and electrical execution of field-level network data exchange.

Hardware Specifications

Parameter Specification
Model ALD112-S00 S1
Brand Yokogawa
Origin Japan
Weight 0.6 kg
Dimensions 5 × 13 × 15 cm
Operating Temp Standard Industrial Grade
Power Consumption 0.5 A at 5 V DC
Protocol DeviceNet (Master)
Data Transfer Rates 125, 250, 500 kbps (switchable)
Communication Interface 5-pin DeviceNet connector
Isolation 500 V AC (Communication to System Logic)
Node Capacity Up to 63 slave devices

DCS Process Control and Connectivity

The ALD112 module facilitates integration within the DCS environment by maintaining strict adherence to Field network I/O (FIO) bus timing. It supports 4-20 mA HART loop protocol translation at the gateway level when interfacing with hybrid smart instruments. Each channel maintains channel-to-channel isolation to prevent ground loops across distributed field segments. Cold junction compensation (CJC) is managed via the backplane when the module is integrated into multi-function I/O chassis configurations, ensuring stability in high-density process environments.

Frequently Asked Questions

Q: Is the ALD112-S00 S1 module capable of hot-swapping during active DCS operations?

A: Yes, the module supports insertion and removal under power within the FIO bus architecture, provided the system configuration is updated to recognize the state change.

Q: How is the termination resistance managed on the DeviceNet network?

A: Termination must be applied at both ends of the trunk line using 121 Ohm, 1/4 W resistors. This module acts as the master node and does not integrate internal terminating resistors.

Field Installation Guidelines

  1. Ensure the FIO bus connector is free of debris before seating the module into the designated slot.
  2. Verify the 5 V DC power supply stability from the backplane prior to initiating communication.
  3. Use shielded twisted-pair cabling for the DeviceNet interface; ensure the shield is grounded at a single point to minimize electromagnetic interference.
  4. Set the rotary switches on the module housing to match the desired baud rate (125, 250, or 500 kbps) before applying power to the network.
  5. Tighten the 5-pin connector screws to ensure mechanical stability and prevent signal intermittent behavior caused by vibration.