Distributed I/O System ET 200S

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Digital electronic modules 3.9 4DI NAMUR digital electronic module (6ES7131-4RD00-0AB0) Value status Number of outputs 1 Output voltage Sensor power supply outputs • With load min. 8.2 V Output current • Rated value 45 mA Additional (redundant) supply Not permitted Short-circuit protection Yes, electronic 1 Only for NAMUR sensors and closed contacts. The value status provides additional binary information on a digital input signal. The value status is entered in the process input image at the same time as the signal, and it provides information on the validity of the input signal. The value status is affected by: • Wire break check/short circuit • Chatter monitoring • Pulse stretching • Validity check of changeover contact sensor types Meaning of the value status: • "1": Input signal is valid • "0": Input signal is invalid ET 200S 3-40 Manual, 12/2005, A5E00514527-03
Digital electronic modules 3.9 4DI NAMUR digital electronic module (6ES7131-4RD00-0AB0) Assignment in the process input image The data is transferred to the process image in two bytes (16 bits). Byte 0 Byte 1 7 6 5 4 3 2 1 0 Input Signal for channel 0 Input Signal for channel 1* Input Signal for channel 2 Input Signal for channel 3* Value status for channel 0 Value status for channel 1* Value status for channel 2 Value status for channel 3* unassigned * Channel not for encoder type changeover contact Figure 3-10 Assignment in the process input image for 4DI NAMUR Meaning 1: Signal valid 0: Signal invalid Diagnosis for changeover contact sensor types When a diagnosis is made for the changeover contact sensor type, the digital electronic module controls the switchover between two input channels. If there is no signal change in the normally closed contact after the set switchover time (see technical specifications), the module reports a diagnosis. Purpose of changeover contact diagnostics You can use the diagnosis for the following: • A diagnosis of the sensor • To make absolutely sure that there has been a switchover between a normally open contact and normally closed contact Principle of changeover contact diagnostics If the digital inputs of a channel group are configured as "changeover contacts", the module for this channel group carries out a diagnostics for the changeover contact type of sensor. The tolerated changeover time between the two channels is set to the fixed value of 300 ms. If the validity check is negative, the following applies: • The module identifies the value status of the normally open contact channel as "invalid". • The module creates a diagnostic entry for the NO contact channel. • The module triggers a diagnostic interrupt. ET 200S Manual, 12/2005, A5E00514527-03 3-41
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SIMATIC Distributed I/O System ET 2
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Table of contents 1 Terminal module
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Table of contents 4.3 Basics of ana
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Table of contents Table 4-10 SIMATI
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Terminal modules 1.1 Terminal modul
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Terminal modules 1.3 TM-P15S22-01,
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Terminal modules 1.4 TM-P30S44-A0 a
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Terminal modules 1.5 TM-PF30S47-F1
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Terminal modules 1.6 TM-E15S26-A1,
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Terminal modules 1.8 TM-E15S24-01,
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Terminal modules 1.9 TM-E15S23-01,
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Terminal modules 1.10 Terminal modu
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Terminal modules 1.12 TM-E30S44-01
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Terminal modules 1.13 TM-C120S and
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Terminal modules 1.14 TE-U120S4x10
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Power modules 2.2 Parameters for po
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Power modules 2.3 PM-E 24 VDC power
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Power modules 2.4 PM-E 24-48 VDC po
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Analog electronics modules 4.2 Anal
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Analog electronics modules 4.3 Basi
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Analog electronics modules 4.4 Resp
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Analog electronics modules 4.5 Para
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Analog electronics modules 4.6 2AI
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Analog electronics modules 4.19 2AO
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.2
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.2
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.2
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.3
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.3
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.3
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.4
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4 IQ-SENSE (6ES7138-4GA00-0AB0) 5.4
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Potential distributor module 6.1 Po
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Potential distributor module 6.1 Po
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RESERVE modules Pin assignment Note
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Glossary Configuration Connecting t
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Glossary Frequency converter Ground
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Glossary Power modules Prewiring Pr
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Glossary Real time Reference potent
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Glossary Terminal modules Terminati
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Index Analog electronic module 2AI
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Index T Terminal module TM-E15S24-0
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Safety Guidelines This manual conta
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Table of contents ET 200S iv Produc
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Introduction ET 200S 1-2 Product In
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New Information About the "ET 200S
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Index ET 200S Index-2 Product Infor
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Safety Guidelines This manual conta
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Table of contents Distributed I/O S
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Introduction 1.1 Introduction Distr
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Product Information 2.2 Digital Ele
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Index Distributed I/O System ET 200
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Product Information on Manual Distr
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