Toyo Keiki P:CARD5 Interface Board for Industrial Automation Systems

Product Overview

The Toyo Keiki P:CARD5 (also identified as EH-R or YH-212) is a printed circuit board interface module designed for use in industrial automation and control systems. This board is typically used as an expansion card for Toyo Keiki programmable controllers or as a signal conditioning interface for field devices. It provides I/O connections, signal buffering, and protection circuits to interface between a control CPU and external sensors, actuators, and other field equipment. The P:CARD5 is built for reliable operation in manufacturing environments.

Key Features of P:CARD5

The board includes multiple digital input and output channels, typically opto-isolated, to protect the controller from electrical noise. It may also include analog channels or special function circuits depending on the exact variant. The P:CARD5 connects to the host controller via a ribbon cable or edge connector, and to field wiring via terminal blocks. Diagnostic LEDs provide visual indication of power and I/O status. The board is powered by 24 V DC from the system power supply. It is designed for mounting inside a control cabinet.

The specific model EH-R and YH-212 are alternative part numbers for the same or similar interface board. The board is manufactured to Toyo Keiki's quality standards with conformal coating for protection against dust and humidity. The operating temperature range is 0 to 50°C. It is suitable for use in applications such as material handling, packaging machinery, and industrial ovens.

Technical Specifications

• Manufacturer: Toyo Keiki

• Part Numbers: P:CARD5, EH-R, YH-212

• Product Type: I/O Interface Printed Circuit Board

• Number of I/O Channels: Typically 8-16 (digital), may include analog

• Input Voltage: 24 V DC (compatible with field sensors)

• Output Type: Transistor or relay (depending on variant)

• Isolation: Opto-isolation (typical)

• Indicators: Power and status LEDs

• Power Supply: 24 V DC (external or backplane)

• Operating Temperature: 0 to +50 °C

• Storage Temperature: -20 to +70 °C

• Degree of Protection: IP00 (board level)

• Certifications: CE (as part of system)

Functional Description

The P:CARD5 board connects field devices (e.g., pushbuttons, limit switches, sensors) to the controller. Input circuits condition the signals to logic levels. Output circuits drive solenoids, relays, or indicator lights. The opto-isolation prevents voltage spikes from the field side from damaging the controller. Diagnostic LEDs help maintenance personnel verify signal states without requiring a multimeter. The board is typically mounted in a card cage or DIN rail enclosure.

Applications

The Toyo Keiki P:CARD5 is used in legacy Toyo Keiki automation systems, industrial machinery control panels, and retrofit projects where original interface boards need replacement.