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Siemens S7-300 Manual
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Product Information on the Manual
S7-300 Module Specifications, Edition 11/2002, (A5E00105505-02)
Introduction
The S7-300 product family has been enhanced and improved. This document
contains details of the features and technical specifications of the modules.
Contents
Section
1
2
3
A5E00213444-02
Copyright 2003 by Siemens AG
SM 331 analog input module; AI 8
332-7ND01-0AB0)
Contents
DC 24 V;
Edition 04.2003
Page
2
14
25

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Summary of Contents for Siemens S7-300

  • Page 1: Table Of Contents

    Product Information on the Manual Edition 04.2003 S7-300 Module Specifications, Edition 11/2002, (A5E00105505-02) Introduction The S7-300 product family has been enhanced and improved. This document contains details of the features and technical specifications of the modules. Contents Section Contents Page SM 321 digital input module;...
  • Page 2: Sm 321 Digital Input Module; Di

    S Group error display S Supports clocked operation S Supports the function “Reparameterization in RUN mode” S Programmable diagnostics S Programmable diagnostic interrupt S Programmable hardware interrupt S Programmable input delays Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 3 Status display – green Fault indicator – red Sensor supplies Vs - green Figure 1 Module view and block diagram of the SM 321; DI 16 DC 24 V Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 4 L +/ V E x.x 15 kW ... 18 kW Figure 3 Terminal assignment diagram of the resistor wiring of the sensors of the SM 321; DI 16 DC 24 V Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 5 Status display 0.1/0.5/3/15/20 ms Inputs Green LED per channel Sensor power supplies (Vs) Green LED per output Interrupts Hardware interrupt Parameters can be assigned Diagnostic interrupt Parameters can be assigned Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 6 DPmin Diagnostic interrupt max. 4 x T Note In clocked mode, the input delay of the inputs is always 100 ms, regardless of the input delay parameterized in STEP7. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 7 The module’s two sensor supplies supply two channel groups: inputs 0 to 7 and inputs 8 to 15. In these channel groups you also parameterize the diagnosis for the sensor supply. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 8 60 to 140 ms 0.1 ms 0.5 ms 400 to 900 ms 3 ms (preset) 2.6 to 3.3 ms 15 ms 12 to 15 ms 20 ms 17 to 23 ms Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 9 External auxiliary supply missing Module Internal auxiliary power missing Module Fuse blown Module Incorrect parameter on module Module Watchdog timeout Module EPROM error Module RAM error Module Hardware interrupt lost Module Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 10 Short-circuit of sensor supply Vs Irrespective of the parameter assignment, the corresponding Vs LED goes out if a short-circuit of the sensor supply Vs occurs. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 11 The error continues until the module is configured with new parameters Module not Problem at startup Reassign module parameter parameterized Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 12 (of all modules) are serviced one after the other by the CPU according to the order in which they occurred. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 13 Edge change: channel 0 Edge change: channel 1 Edge change: channel 2 Edge change: channel 7 Figure 4 Start information of OB 40: which event triggered the hardware interrupt Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 14: 14 Bit High Speed

    S Programmable diagnostic interrupt S Supports clocked operation S Isolated against the backplane bus interface S Isolated from the load voltage (not in the case of the 2-wire transmitter) Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 15 24 V Measurement range Multiplexer modules Internal supply – Isolation Backplane bus interface Figure 5 Module view and block diagram of the SM 331; AI 8 14 Bit High Speed Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 16 " 0.2 % Current input transmitter) " 0.2 % 0 to 20 mA Power dissipation of the typ. 1.5 W module " 0.2 % 4 to 20 mA Analog value generation Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 17 The priority classes of a CPU (OB 61 to OB 64) and the clocked I/Os are synchronized with this clock pulse. The I/O data are thus transferred at defined, fixed intervals (clock synchronization). Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 18 _CH = (channel number +1) x 52 ms + tv; tv = 100 to 190 ms Internal processing (tv) A/D conversion 52 ms 52ms 52ms 52ms 52ms 52ms 52ms 52ms 100ms ... 190ms Figure 6 Figure 7 Calculation of the filter and processing time Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 19 You will find further information on clock synchronization in the online help system of STEP 7, in the manual ET 200M Distributed I/O System and in the manual Clock Synchronization. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 20 Voltage " 10 V Voltage Current, 4 to 20 mA Four-wire transmitter Current, 4 to 20 mA Two-wire transmitter You must short-circuit unused channels and connect them to M Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 21 For the settable measuring ranges of the input channels, please refer to section 4.20.3 of the reference manual. Interference None; 400 Hz; 60 Hz; 50 Hz 50 Hz Suppression Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 22 – in other words, for channel 0 or channel 2. Diagnostics You will find the diagnostic messages that are grouped under the “group diagnosis” parameter in Table 4-47 on page 4-73 of the reference manual. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 23 S Current measurement 4 to 20 mA, 4-wire transmitter: series connection of the unused input with the input of the same channel group. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 24 With a parameterized measuring range of 4 to 20 mA and disabled wire-break check and enabled diagnostic interrupt, the module triggers a diagnostic interrupt when the underflow is reached. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 25: Analog Output Module Sm 332; Ao 4 16 Bit, Clocked

    S Galvanic Isolation between: – backplane bus interface and analog output channels – the different analog output channels – analog output and L+, M – backplane bus interface and L+, M Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 26 Module view and block diagram of the SM 332; AO 4 x 16 Bit Note Switching the rated load voltage (L+) on and off, can cause wrong intermediate values at the output for approximately 10 ms. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 27 500 VDC Current consumption From the backplane bus max. 100 mA From the load voltage L+ max. 240 mA (no load) Power dissipation of the module typ. 3 W Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 28 Diagnostic Interrupt Programmable For current output Diagnostic functions Programmable – Two-conductor Possible connection Group error display Red LED (SF) Diagnostic information Possible readable Substitute value can be applied Yes, programmable Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 29 Processing and activation time T between read in of 1.6 ms output value in the transfer buffer and loading in the output 2.4 ms DPmin Diagnostic interrupt 4 x T , max Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 30 Additional Information You will find additional information about synchronous operation in the STEP 7 online Help, the ET 200M Distributed I/O System manual and in the Manual Clock Synchronization. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 31 Diagnostics You will find the diagnostic messages that are grouped under the ”group diagnosis” parameter in Table 4-47, on page 4-79 of the reference manual. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...
  • Page 32 16 bits for the CPU operating mode STOP as follows: Outputs De-energized, Hold Last Value or Inject Substitute Values. If you inject substitute values, they must be within the output range. Product Information on the Manual S7-300 Module Specifications, Edition 11/2002 A5E00213444-02...