Overview
Manuals
Principle
Revisions
Features:
- Series 90-30 Discrete Input module
- 24 Volt DC Positive/Negative Logic Input, 16 Point
- Series 90-30 Programmable Logic Controller provides 16 input points
The IC693MDL646 is a 24VDC positive/negative logic discrete input module designed for the 90-30 series PLC platform. Its primary function is to acquire digital status signals from field devices such as switches, sensors, pushbuttons, and relay contacts. The module converts external voltage signals into standardized digital data for the PLC CPU to process and execute control logic.
In industrial automation applications, the IC693MDL646 provides reliable multi-channel input acquisition with electrical isolation and built-in diagnostic indications. It supports high-density digital signal monitoring while protecting the controller from voltage transients and electrical noise from the field environment. Its modular design allows for seamless integration into rack-mount systems, improving scalability and simplifying wiring management for manufacturing and process control systems.
The IC693MDL646 GENERAL ELECTRIC Discrete Input module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
GENERAL ELECTRIC IC693MDL646 Discrete Input module datasheet(manual), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
When a field device applies a 24VDC signal to an input channel, the module detects the voltage through internal circuitry and isolates it from the backplane electronics. The signal is then converted into a digital signal and transmitted to the PLC CPU via the backplane bus. The controller parses these input signals in the user program to execute the corresponding control operations.
Revision Part #
Also known as
IC693MDL646B
IC693MDL646-B, Series B, Rev B
IC693MDL646C
IC693MDL646-C, Series C, Rev C
IC693MDL646D
IC693MDL646-D, Series D, Rev D
IC693MDL646E
IC693MDL646-E, Series E, Rev E
