Schneider PCL984785 CPU Module

The Schneider PCL984785 delivers advanced processing capabilities for Modicon PLC systems. This programmable register CPU module integrates a slot-based design for flexible system configuration. Engineers will appreciate its extensive memory options and built-in communication interfaces.

Technical Specifications & Physical Characteristics

This CPU module features integrated CPU and power supply in a single slot configuration. The PCL984785 includes extended RAM cartridge support for 256K, 512K, or 768K memory expansion. Two Modbus connectors provide dual communication ports for network connectivity.

Specifically, the module measures approximately 140 mm in height, 45 mm in width, and 130 mm in depth. Its total weight reaches roughly 0.62 kg, allowing for stable mounting in Modicon racks. The unit includes seven Modbus Plus DIP switches for network address configuration.

Parameter	Specification
Manufacturer	Schneider Electric
Model	PCL984785
Type	Programmable Register CPU Module
Configuration	Slot CPU with integrated power supply
RAM Cartridge Support	256K, 512K, 768K extended memory
Communication Ports	2 x Modbus connectors
Network Configuration	7 x Modbus Plus DIP switches
User Interface	Key switch, LED indicators
LED Indicators	Power, run, fault, communication status
Dimensions (H x W x D)	140 mm x 45 mm x 130 mm
Weight	0.62 kg
Energy Storage	None

Processing Features and Memory Expansion

You can select the appropriate RAM cartridge capacity based on application requirements. The extended memory support allows program and data storage up to 768K for complex control strategies. LED indicators provide clear visual feedback for power, run, and fault conditions.

Moreover, the PCL984785 includes a key switch for mode selection and security control. This feature prevents unauthorized program modifications during operation. For similar industrial control components, you can explore the RMS TSG TZ C Static Trip unit series.

Communication and System Integration

The physical layout of the Schneider PCL984785 facilitates straightforward network integration and wiring. Technicians will find the two Modbus connectors clearly labeled for error-free serial connections. Seven DIP switches allow easy configuration of Modbus Plus network addresses.

Furthermore, the unit incorporates no internal energy storage elements across its circuitry. This characteristic eliminates discharge waiting time during system power-down. Consequently, you can perform maintenance or replacement tasks immediately without safety delays.