Yokogawa ST7*A Multipoint Status Output Card

Description

The ST7*A module is a relay output card that provides multiple status output points. It is used to transmit status signals from the DCS to field devices, such as magnetic valves or motors, enabling control and monitoring in industrial automation systems.

Specifications

• Output Channels: Multiple relay output points (specific number depends on the configuration).

• Output Type: Relay contacts, including Normally Open (N.O.), Normally Closed (N.C.), or Form-C contacts.

• Power Requirements:

  • 24 V DC ±10%

  • 85 to 132 V AC or 170 to 264 V AC (depending on the mounting nest type).

• Mounting: Compatible with horizontal and vertical mounting nests (e.g., RYH-32, RYV-11).

• Connection: Block connector cable for DCS integration.

Features

• High-Density Mounting: Supports up to 16 relay cards in a single mounting nest, providing up to 32 output points.

• Flexible Configuration: Mixed mounting of input and output cards is possible within the same nest.

• Test Switch: Equipped with an AUTO/OFF/ON test switch for easy system startup and loop testing.

• LED Indicators: Displays relay operation status for quick diagnostics.

• Robust Design: Built to meet industrial standards, ensuring reliability in harsh environments.