CT-623F Module Overview: Digital Input: 8-channel digital input supporting source or sink type configurations. Input voltage: 0V/24VDC. Supports connection to 2-wire or 3-wire digital sensors. Each input channel supports a 32-bit counter with a frequency < 200Hz. Signal maintenance function with adjustable maintenance time. Configurable digital signal input filtering time and counter byte transfer order. Independent counting mode and direction settings for each input channel. Digital Output: 8-channel digital output with output high level valid. Output voltage: 24VDC. Capable of driving various field equipment such as relays and solenoid valves. Equipped with short circuit, thermal shutdown, and overvoltage protection functions. Isolation: Optocoupler isolation between module internal bus and field input/output. Indicators: 16 LED indicators for digital input and output channels. Technical Parameters: General Parameters: Power: Max. 85mA @ 5.0Vdc Isolation: I/O to internal bus: opto-coupler isolation (3KVrms) Field Power: Nominal voltage: 24Vdc (Input range: 22~28Vdc) Wiring: I/O wiring: Max. 1.5mm² (AWG 16) Installation: 35mm DIN-Rail Size: 1151475mm Weight: 65g Environment Specification: Environmental Parameters: Working Temperature: -40~85℃ Environmental Humidity: 5%-95% (No Condensation) Protection Grade: IP20 Digital Input: Channel Number: 8-channel source/sink type input Indicator: 8 channel input indicators Open Voltage: High Input: Min. 10Vdc to Max. 28Vdc (Common: 0Vdc) Low Input: Min. 0Vdc to Max. 14Vdc (Common: 24Vdc) Close Voltage: High Input: Max. 5Vdc (Common: 0Vdc) Low Input: Min. 19Vdc (Common: 24Vdc) Open Current: Max. 5mA/channel @ 28V Input Impedance: > 7.5kΩ Input Delay: OFF to ON: Max. 3ms ON to OFF: Max. 2ms Prop Filter: Default: 10ms Sampling Frequency: 500Hz Count Frequency: < 200Hz Digital Output: Channel Number: 8 channel source type output LED Indicator: 8 channel output indicators Rated Current: Typical value: 0.5A Leakage Current: Maximum value: 10uA Output Impedance: < 200mΩ Output Delay: OFF to ON: Max. 100us ON to OFF: Max. 150us Protection Function: Temperature Protection: Typical value 135℃ Protection Current: Typical value 1.1A Short Circuit Protection: Supported