Selectron CPU 725-LTH User Manual

CPU 72x
24.05.2019 page 1
CPU 72x
24.05.2019
Table of Contents
Processor Modules CPU 72x ...................................................................................... 2 1.
1.1 Overview ........................................................................................................................... 2
1.2 Extension Bus and Dimensions ......................................................................................... 4
1.3 Extensibility ....................................................................................................................... 7
1.4 Terminal Assignment ........................................................................................................ 8
1.5 Configuration CPU 72x.................................................................................................... 14
1.6 System Behavior ............................................................................................................. 19
1.7 Technical Data ................................................................................................................ 24
1.8 Accessories: Flash Cassette FMC 701-T ........................................................................ 29
List of Figures
Fig.01: MOBI bus: extension bus plug (view from front) ................................................................ 4
Fig.02: Dimensions CPU 72x ......................................................................................................... 4
Fig.03: Processor module CPU 723-T ........................................................................................... 5
Fig.04: Processor modules CPU 725-LT/LTH, CPU 727-T/TH ...................................................... 6
Fig.05: Extensibility CPU 72x ........................................................................................................ 7
Fig.06: Terminal assignment CPU 723-T ....................................................................................... 8
Fig.07: Terminal assignment CPU 725-LT/LTH and CPU 727-T/TH .............................................. 8
Fig.08: Wiring of power supply (UC) .............................................................................................. 9
Fig.09: CAN bus wiring ................................................................................................................ 10
Fig.10: RS-232C wiring ............................................................................................................... 11
Fig.11: Connection of the CPU 723-T digital input ....................................................................... 12
Fig.12: Connection of the CPU 723-T digital output ..................................................................... 12
Fig.13: Connection digital inputs CPU 725-LT/LTH and CPU 727-T/TH ...................................... 13
Fig.14: Connection digital outputs CPU 725-LT/LTH and CPU 727-T/TH .................................... 13
Fig.15: Memory map CPU 72x .................................................................................................... 17
Fig.16: LEDs CPU 723-T, CPU 725-LT/LTH and CPU 727-T/TH ................................................ 19
Fig.17: Battery backup time of the CPU 72x-Tx/CTx ................................................................... 23
Fig.18: Connection diagram digital inputs .................................................................................... 26
Fig.19: Connection diagram interrupt inputs ................................................................................ 27
Fig.20: Connection diagram digital outputs .................................................................................. 28
Fig.21: Dimensions flash cassette FMC 701-T ............................................................................ 29
Fig.22: Mounting the flash cassette ............................................................................................. 29

Selectron CPU 725-LTH Specifications

General

Brand	Selectron
Model	CPU 725-LTH
Category	Computer Hardware
Language	English

Summary

CPU 72x Processor Modules Overview

Overview of CPU 72x Module Functions

Details the functions of the CPU 72x decentralized processor modules, including housing, communication, and expansion capabilities.

List of Available CPU 72x Modules

Presents the available decentralized CPU 72x variants: 723-T, 725-LT, 725-LTH, 727-T, 727-TH.

CPU 72x Inputs and Outputs

Extension Bus and Dimensions

Extension Bus Connectivity

Explains the MOBI bus connection for extending the CPU units with modules.

Physical Dimensions of CPU 72x

Provides the physical dimensions (width, height, depth) of the CPU 72x units.

Processor Module Specifics

CPU 723-T Module Diagram and Legend

Detailed diagram and legend for the CPU 723-T processor module, showing slots, LEDs, and connectors.

CPU 725-LT/LTH and CPU 727-T/TH Module Diagrams

Detailed diagram and legend for CPU 725-LT/LTH and CPU 727-T/TH modules, showing slots, LEDs, and connectors.

CPU 72x Extensibility Options

Terminal Assignment for CPU 72x

CPU 723-T Terminal Assignment Details

Wiring details for the CPU 723-T, showing connectors and terminal assignments.

CPU 725-LT/LTH & 727-T/TH Terminal Assignment

Wiring details for CPU 725-LT/LTH and CPU 727-T/TH, showing connectors and terminal assignments.

Power Supply Specifications for CPU 72x

Interface Connectivity

CAN Bus Connection Details

Describes the CAN bus connection, galvanic separation, test voltage, and bit rates for CPU 72x.

RS-232C Interface Details and Remarks

Details the RS-232C serial interface for data or programming, including galvanic separation, bit rates, and installation remarks.

CPU 723-T Digital I/O Connections

CPU 723-T Digital Input Connection Diagram

Diagram showing the connection of six 24 Vdc digital inputs for the CPU 723-T, including interrupt inputs.

CPU 723-T Digital Output Connection Diagram

Diagram showing the connection of four 24 Vdc / 0.5 A digital outputs for the CPU 723-T.

CPU 725-LT/LTH & 727-T/TH Digital I/O Connections

Digital Input Connections for CPU 725-LT/LTH and 727-T/TH

Diagram for connecting 8 digital inputs (24/36 Vdc) for CPU 725-LT/LTH and CPU 727-T/TH.

Digital Output Connections for CPU 725-LT/LTH and 727-T/TH

Diagram for connecting 8 digital outputs (24/36 Vdc / 0.5 A) for CPU 725-LT/LTH and CPU 727-T/TH.

CPU 72x Configuration and Settings

CPU 72x Operation Modes and Start-Up

Start-Up Behavior Configuration

Defines start-up behavior based on DIP switch S2 settings for different CPU variants.

Service Functions for CPU 72x

Describes service functions like programming (PROG) and loading runtime systems (DLD) using DIP switch S2.

Memory Map and Programming

Memory Map of CPU 72x Variants

Illustrates memory maps for CPU 725-LT/LTH and CPU 723-T/727-T/TH, showing Flash and RAM allocation.

Programming Instructions for CPU 72x

Instructions for loading user programs into RAM and copying to Flash EPROM for operation modes.

Interface Setup and Configuration

CAN Bus Connection Reference

Reference to chapter 'Installation, Startup, and Operation' for CAN bus termination.

RS-232C Interface Setup

Configuration of RS-232C for data or programming interface using DIP switch S2.

CPU 72x System Behavior

LED Functionality and Status Indicators

Explains the meaning of UC/BAT, RUN, CAN, CAN1, CAN2, and ERR LEDs for status indication.

Power Supply Fault Handling

Covers behavior for power supply breakdown, overvoltage, undervoltage, and cross-polarity.

Short Circuit and Overload Handling

Details behavior during short circuits on digital outputs and overload on analog outputs.

RAM and RTC Buffering

CPU 72x Startup Behavior

General Technical Data for CPU 72x

Device-Specific Accessories

Technical Data: Inputs and Outputs

Digital Input Specifications

Detailed technical data for digital inputs of CPU 72x, including type, voltage, limits, and resistance.

Interrupt Input Specifications for CPU 723-T

Detailed technical data for interrupt inputs of CPU 723-T, including voltage, frequency, and galvanic separation.

Digital Output Specifications for CPU 72x

Detailed technical data for digital outputs of CPU 72x, including output type, voltage, current, and switching times.

Flash Cassette FMC 701-T

Procedure for Inserting FMC 701-T Cassette

Step-by-step guide on how to insert the memory cassette into the CPU.

Technical Data for FMC 701-T Flash Cassette

Technical data for the FMC 701-T flash cassette, including Flash-EPROM size and programming method.