Siemens S7-I/O Operator's Manual
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Siemens S7-I/O Operator's Manual

Siemens S7-I/O Operator's Manual

Input/output device
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S7-I/O Input/Output Device
Operator's Manual
Manual No. SGOM-6138A

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Summary of Contents for Siemens S7-I/O

  • Page 1 S7-I/O Input/Output Device Operator’s Manual Manual No. SGOM-6138A...
  • Page 2 It does not relieve the user of responsibility to use sound practices in application, installation, operation, and maintenance of the equipment purchased. Siemens reserves the right to make changes at any time without notice or obligations. Should a conflict arise between the general infor- mation contained in this publication and the contents of drawings or supple- mentary material, or both, the latter shall take precedence.

  • Page 3: Table Of Contents

    General Standards ....... 25 Where to Find More Information .... 1 General Specifications ......26 2 Product Overview ......3 S7-I/O-DC Base Module w/DC Power Supply, DC Inputs, and DC Outputs ... 27 Hardware Overview ........ 3 S7-I/O-AC Base Module 2.1.1...
  • Page 4 Siemens Energy & Automation, Inc. The warranty contained in the con- tract between parties is the sole warranty of Siemens Energy & Automation, Inc. Any statements contained herein do not create new warranties or modify the existing warranty.

  • Page 5: Introduction

    The device can monitor or control components that are not specifically designed for digital communication. The S7-I/O device is the link between the ACCESS electrical distribution communication system and the rest of the power system. It provides the following features: •...
  • Page 6 Introduction Notes: Siemens Energy & Automation, Inc.

  • Page 7: Product Overview

    S7-I/O device can monitor and control. A maximum counters, and output activation of five digital modules or 4 analog modules, each attached to the side of the other, can be used with one S7-I/O base • Graphical display of input and output status and module.
  • Page 8 Product Overview Notes: Siemens Energy & Automation, Inc.

  • Page 9: Installing Modules

    Installation Guidelines Figure 3.2 Physical Dimensions The S7-I/O device is designed either to be snapped onto a A minimum panel depth of 75 mm (2.9 inches) is required to standard DIN rail (DIN EN 50 022) or to be surface mounted.

  • Page 10: Installing The Base Module

    The S7-I/O device and expansion modules attach to the DIN rail by means of clips, which are supplied. Attaching Expansion Modules To mount an S7-I/O base module or expansion module to a Base units and expansion modules all have a bus connector DIN rail, follow these steps: on the right side for attachment of additional expansion modules.

  • Page 11: Removing Expansion Modules

    Slide the device that is to be removed approximately 1 installed. inch to the right to disconnect the bus connector. Expansion Module Bus Connector Clips Base Module Expansion Module Figure 3.8 Attachment of Expansion Module Siemens Energy & Automation, Inc.
  • Page 12 Installing Modules Notes: Siemens Energy & Automation, Inc.

  • Page 13: Wiring The Device

    Wiring Guidelines • Connect all ground terminals to the closest available The following are general guidelines for wiring an S7-I/O earth ground to provide the greatest immunity from device. noise. If possible, connect all ground terminals on the base and expansion units to a common point.

  • Page 14: Wiring Suppression Circuits

    The data wires are labeled “Transmit/Receive +” and “Transmit/Receive -,” and are wired in parallel. Connect the shield at one end of the communications link only. The pinouts of the cable provided with the S7-I/O device is shown in Figure 4.4. Siemens Energy & Automation, Inc.

  • Page 15: Input And Output Numbering

    Use 14 to 22 AWG (0.5 to 1.5 mm²) wire. Identify and route wires from field points to the S7-I/O device. Be sure the wires have proper strain relief at the S7-I/O device. To identify the proper terminals, see Fig- ures 4.5 through 4.11 on the following pages.
  • Page 16 1M 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 2M 1.0 1.1 1.2 1.3 1.4 1.5 Bottom: Inputs 24 VDC Power for Input Sensors or Expansion Modules Contacts Inputs (15–35 VDC) (280 mA) Figure 4.6 AC Base Module (AC Power Supply, DC Inputs, Relay Outputs) Siemens Energy & Automation, Inc.
  • Page 17 L+ Gnd 1L • Note: 1. Actual component values may vary. Expansion 2. Each ground connection Module is optional. 3. Connect AC line to the L terminal. Figure 4.8 AC Relay Output Expansion Module (Optional) Siemens Energy & Automation, Inc.
  • Page 18 Outputs (20.4–28.8 VDC) Loads Top: Outputs 1M 1L+ .0 • 2M 2L+ .4 .7 Gnd Note: 1. Actual component values may vary. Expansion 2. Each ground connection Module is optional. Figure 4.10 DC Output Expansion Module (Optional) Siemens Energy & Automation, Inc.
  • Page 19 Wiring the Device 24 VDC Supply from Voltage Source Current Source Unused Base Module Input Top: Inputs RA A+ RB B+ B- RC C+ • • M Gnd Expansion Module Figure 4.11 Analog Input Expansion Module (Optional) Siemens Energy & Automation, Inc.

  • Page 20: Analog Input Wiring

    Typical Application Figure 4.13 displays a typical application for the S7-I/O. The S7-I/O analog input module can accept a range of input currents or voltages. Configuration switches and a calibra- tion potentiometer are located on the bottom of the expan- sion module.

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