Product Overview of Schneider Electric 140CPU67261C

The Schneider Electric 140CPU67261C is a powerful Unity Hot Standby Processor. Engineers specifically designed it for the Modicon Quantum series. Therefore, it suits mission-critical applications perfectly. This CPU runs at a 266 MHz clock frequency, ensuring efficient processing power. In addition, it supports fault-tolerant operation through hot standby redundancy. As a result, the system guarantees uninterrupted service even during unexpected failures.

Core Technical Specifications (Memory, Speed & I/O)

First, let us examine the core performance. This processor offers 11,264 kB of total RAM. Of this, 1,536 kB stays dedicated to data storage. Furthermore, users can easily expand file storage via an 8 MB PCMCIA card. Therefore, it can handle very complex control programs. In terms of speed, the 140CPU67261C executes 10.28K Boolean instructions per millisecond. It also executes 10.07K mixed instructions per millisecond. Consequently, this CPU provides extremely fast response for large systems.

Second, its I/O capacity is truly impressive. For example, it supports up to 31,744 discrete remote I/O points and 8,000 distributed I/O points per network. In addition, it manages 1,984 analog remote I/O points and 500 distributed analog I/O points per network. However, note that local I/O is forbidden in hot standby applications.

Advanced Communication Capabilities

Moving on, let us discuss communication capabilities. The 140CPU67261C supports a very wide range of protocols. These include Ethernet TCP/IP, Modbus Plus, Profibus DP, USB, and fiber optic. Specifically, it allows up to six Ethernet connections, six Modbus Plus connections, and six Profibus DP connections. Furthermore, it provides one USB port for local programming. Equally important, its single-mode fiber optic hot standby port supports connections up to 16 kilometers. Therefore, this CPU suits complex network architectures requiring remote monitoring and distributed control.

Physical, Environmental & Protection Features

Regarding physical specifications, this module uses rack mounting. It requires 2760 mA of backplane bus current. Its operating temperature range is 0°C to 60°C. Its storage temperature range is -40°C to 85°C. Notably, it features Humiseal 1A33 conformal coating. Therefore, this CPU resists humidity and dust in industrial environments. In addition, it holds multiple stringent certifications. These include ATEX zone 2, IEC-Ex, CSA, UL, and marine approvals. Thus, you can safely use it in hazardous locations or harsh environments like offshore platforms.

Installation and Mounting Guide

Follow these steps to install the 140CPU67261C safely. First, turn off all power to the Quantum rack. Next, insert the processor into the dedicated CPU slot. Then, push the module until it locks firmly in place. After that, connect Ethernet, Modbus Plus, or fiber optic cables. Finally, apply power and verify the status LEDs.

Use a rack-mountable chassis for proper installation. This module draws 2760 mA from the backplane. Therefore, ensure your power supply meets this requirement. Keep ambient temperature between 0°C and 60°C. Also, do not block ventilation around the unit. For hot standby, connect both CPUs via fiber optic.

Package Contents

• One Schneider Electric 140CPU67261C Unity Hot Standby Processor

• No cables or software included in the package

• No mounting screws or accessories

• Product label with GTIN 3595864101118

• No printed manual (digital download available)

Frequently Asked Questions (FAQ)

1. Can the 140CPU67261C work without a hot standby partner?
Yes, the 140CPU67261C runs as a standalone CPU. However, hot standby requires two identical processors.

2. What software programs the 140CPU67261C?
Use Schneider Electric Unity Pro or Control Expert software. Both fully support the 140CPU67261C.

3. Does this CPU support remote I/O over Ethernet?
Yes, the 140CPU67261C supports Ethernet remote I/O. Specifically, it handles 31 stations per network for Quantum or X80.

4. How much memory does the 140CPU67261C provide?
It provides 11,264 kB total RAM. Of this, data memory is 1,536 kB. Additionally, an 8 MB PCMCIA card offers expansion.

5. Is the 140CPU67261C certified for hazardous locations?
Yes, the 140CPU67261C holds HazLoc, ATEX zone 2, and IEC-Ex certifications. It also has CSA and UL marks.