Sigmatek CCP612-K PLC Module: High Density Digital Input Output Module for Automation Systems

Product Overview

The Sigmatek CCP612-K is a digital input output module designed for use with Sigmatek programmable logic controllers and industrial automation systems. This compact module provides 16 digital input channels and 16 digital output channels within a single housing, offering high I O density for space-constrained control cabinets. The CCP612-K is part of the Sigmatek modular I O family, which utilizes a standardized backplane bus for communication with the CPU. The module is engineered for reliable operation in industrial environments, featuring opto-isolation between the field signals and the internal logic, as well as LED indicators for each channel to provide visual status confirmation of input states and output energization. This module is suitable for a wide range of discrete control applications, including machine control, conveyor systems, and factory automation.

Key Features of Sigmatek CCP612-K

The CCP612-K digital I O module incorporates 16 digital inputs compatible with 24 V DC signals, supporting both sinking and sourcing configurations depending on field device wiring. Each input channel includes a debounce filter that can be configured by the system software to reject contact bounce or electrical noise, ensuring reliable signal detection in electrically noisy environments. The 16 digital outputs are provided as open-collector transistor outputs, also rated for 24 V DC, with a nominal output current of 0.5 A per channel and a total current limit per module. Output channels are protected against short circuits and over-temperature conditions, with automatic shutdown and recovery to prevent module damage.

The module communicates with the Sigmatek CPU via the proprietary Sigmatek system bus, which achieves high-speed cyclic data exchange with deterministic update times. The module is configured using Sigmatek's LASAL engineering software, which automatically assigns I O addresses and provides diagnostic information to the control program. The CCP612-K includes electrical isolation of 500 V RMS between the field wiring and the internal logic, protecting the controller from ground loops and voltage transients. The compact form factor of the module, with a width of approximately 25 mm, allows multiple I O modules to be mounted on a DIN rail within a small enclosure area. Removable terminal blocks are provided for each module, simplifying wiring replacement and reducing downtime during maintenance.

Technical Specifications

• Manufacturer: Sigmatek GmbH & Co KG

• Part Number: CCP612-K

• Product Type: Digital I O Module

• Digital Inputs: 16 channels, 24 V DC

• Digital Outputs: 16 channels, open-collector transistor, 24 V DC, 0.5 A per channel

• Input Compatibility: Sourcing or sinking selectable by wiring

• Input Debounce: Configurable software filter

• Output Protection: Short circuit, over-temperature

• Isolation: 500 V RMS between field and logic

• Indicators: LED per channel for input and output status

• Communication Bus: Sigmatek system bus

• Configuration Software: LASAL

• Terminal Type: Removable screw terminal blocks

• Module Width: Approx. 25 mm

• Mounting: DIN rail

• Operating Temperature: 0 to +55 °C

• Degree of Protection: IP20

Functional Description

The CCP612-K continuously monitors the voltage levels on its 16 input channels, interpreting signals above a specified threshold (typically 15 V DC) as logic high and signals below a defined threshold (typically 5 V DC) as logic low. The debounce filter, when enabled, requires the input signal to remain stable for a configurable duration before the module reports a state change to the CPU, preventing spurious transitions caused by mechanical switch bounce or electrical noise. For the output section, the CPU sends output state commands to the module over the system bus, and the module drives the corresponding transistor outputs accordingly. Each output channel includes a current monitoring circuit that detects overload conditions; if a short circuit is detected, the output is latched off to protect the module, and a diagnostic flag is transmitted to the CPU. The removable terminal blocks allow the field wiring to remain connected while the module is removed for replacement, reducing system downtime.

Applications

The Sigmatek CCP612-K digital I O module is deployed in industrial automation systems requiring discrete input and output management. Typical applications include conveyor control with photoeye sensors and motor contactors, packaging machinery monitoring product presence and activating rejection mechanisms, assembly stations tracking part presence and controlling pneumatic actuators, and material handling systems reading position switches and controlling diverters. The combination of 16 inputs and 16 outputs in a single module provides a balanced I O ratio suitable for many machine control tasks. For system integrators, the CCP612-K offers a reliable digital I O building block that integrates seamlessly into Sigmatek control architectures.