NM29A YOKOGAWA Series Datasheet & Technical Manual

Node Interface Module YOKOGAWA NM29*A

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YOKOGAWA NM29*A Node Interface Module The YOKOGAWA NM29*A, also cataloged as the NM29*A Node Interface Module, operates as a dedicated...

رمز المنتج: NM29*A

Manufacturer: Yokogawa
Product No.: NM29*A
Product Type: Node Interface Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

YOKOGAWA NM29*A Node Interface Module

The YOKOGAWA NM29*A, also cataloged as the NM29*A Node Interface Module, operates as a dedicated hardware component for communication gateway execution within CENTUM VP and ProSafe-RS control platform networks.

Hardware Specifications

Parameter	Specification
Model	NM29*A
Brand	YOKOGAWA
Origin	Japan
Weight	0.3 kg
Dimensions	130 mm x 100 mm x 35 mm
Operating Temp	-20 deg C to 60 deg C
Power Consumption	24 VDC nominal
Performance	High-speed system bus interface with dual redundancy

Process Control and DCS Connectivity

The NM29*A serves as the primary gateway between distributed I/O modules and the control processor, utilizing 4-20 mA HART loop protocol standards for data interchange. The architecture supports redundant communication paths, facilitating high-availability architectures common in safety-critical systems. To ensure signal integrity, the module maintains channel-to-channel isolation, preventing electrical noise ingress into the system bus. Furthermore, the unit supports cold junction compensation (CJC) for connected thermocouple inputs, providing high-precision acquisition during temperature-sensitive process monitoring across integrated DCS/SIS installations.

Frequently Asked Questions

Q: Does the NM29*A support hot-swapping within the I/O rack during system operation?

A: Yes, the module supports hot-swapping; however, ensure that the corresponding communication port on the redundant module is active and initialized before extraction to maintain seamless data link integrity and prevent network communication errors.

Q: How is the redundant communication switch-over triggered?

A: The switch-over occurs automatically when the node interface detects a communication fault or loss of signal integrity on the active port; the module logic subsequently shifts the control/stand-by status to the redundant gateway to maintain process visibility.

Field Installation Guidelines

Mount the NM29*A securely into the designated node interface slot on the rack backplane, ensuring the connector pins are correctly aligned before engaging the locking mechanism. Terminate the system bus cabling to the specified ports, ensuring that cable routing maintains minimum separation from high-voltage AC lines to prevent induced interference. Verify that the 24 VDC supply voltage is measured at the terminal block to confirm stable power delivery within specifications. Upon installation, use the system engineering tool to verify that the node link status is active and that the redundant communication path is synchronized before finalizing the commissioning of the I/O loops.

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