140CPU67861

Overview

The Schneider 140CPU67861 Unity Hot Standby Processor delivers high-performance control with single mode Ethernet and 11 MB memory for advanced automation applications.

System Performance

• Clock Frequency: 266 MHz

• Internal RAM: 11,264 kB (1,536 kB for data)

• Expandable Memory: 8 MB for file storage via PCMCIA card

• Instructions per ms: 10.28 Kinst/ms (100% Boolean), 10.07 Kinst/ms (65% Boolean / 35% Numerical)

• System Overhead: 0.2 ms (fast task), 1 ms (master task)

I/O Capabilities

• Discrete I/O (Remote): 31,744 inputs / 31,744 outputs

• Discrete I/O (Distributed / Modbus Plus): 8,000 inputs / 8,000 outputs per network

• Discrete I/O (Ethernet Remote): Unlimited (31 drops, 28 slots max)

• Analogue I/O (Distributed / Modbus Plus): 500 inputs / 500 outputs per network

• Analogue I/O (Ethernet Remote): Unlimited (31 drops, 28 slots max)

• Local I/O: 0 (forbidden in Hot Standby)

• Application-Specific I/O: Serial link, high-speed interrupt inputs, accurate time stamping, counters

Communication and Connectivity

• Integrated Connections: 1 Modbus Plus, 1 Modbus (RS232/485), 1 USB, 1 optic fibre with Hot Standby

• Optional Modules: 6 (Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max)

• Maximum Connections:

• 6 Ethernet TCP/IP (local)

• 6 Modbus Plus (local)

• 6 Profibus DP (local)

• 1 USB

• 2 AS-Interface (distributed)

• 4 AS-Interface (remote)

• 1 Modbus (RS232/485 Modbus/ASCII)

Hot Standby and Control

• Hot Standby Support: Yes

• Process Control: Integrated

• Switch Function: Key switch memory port on/off

• Forbidden Tasks in Hot Standby: Periodic fast task, 128 I/O interrupt tasks, 128 interrupt tasks, 32 timer interrupt tasks, 4 auxiliary tasks

Physical and Local Indicators

• Bus Current Requirement: 2,760 mA

• Local Signalling:

• 1 LED (green) for Ethernet activity

• 1 LED (red) for Ethernet collision

System Configuration

• Number of Slots: 10 / 16 / 4 / 6 / 2

• Number of Racks: 2 local racks

• Distributed I/O Stations: 63 stations (1 rack, 3 Modbus Plus networks)

• Remote I/O Stations: 31 racks per S908, Ethernet Quantum, or Ethernet X80 remote I/O

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