Siemens SIMATIC S7-1200 Manuale - Pagina 10

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Table of contents

7.9.6

Accessories .......................................................................................................................... 176

7.9.7

Reference to GSM antenna manual .................................................................................... 177

7.9.8

Configuration examples for telecontrol ................................................................................ 177

7.10

PtP, USS, and Modbus communication protocols ............................................................... 182

7.10.1

Point-to-point communication .............................................................................................. 182

7.10.2

Using the serial communication interfaces .......................................................................... 184

7.10.3

PtP instructions .................................................................................................................... 185

7.10.4

USS instructions................................................................................................................... 186

7.10.5

Modbus instructions ............................................................................................................. 188

PID is easy .......................................................................................................................................... 191

8.1

Inserting the PID instruction and technology object ............................................................. 193

8.2

PID_Compact instruction ..................................................................................................... 195

8.3

PID_Compact instruction ErrorBit parameters ..................................................................... 199

8.4

PID_3Step instruction .......................................................................................................... 201

8.5

PID_3Step instruction ErrorBit parameters .......................................................................... 208

8.6

PID_Temp instruction ........................................................................................................... 210

8.6.1

Overview .............................................................................................................................. 210

8.6.2

Operation of the PID_Temp controller ................................................................................. 214

8.6.3

Cascading controllers .......................................................................................................... 216

8.7

PID_Temp instruction ErrorBit parameters .......................................................................... 220

8.8

Configuring the PID_Compact and PID_3Step controllers .................................................. 222

8.9

Configuring the PID_Temp controller ................................................................................... 225

8.10

Commissioning the PID_Compact and PID_3Step controllers ............................................ 239

8.11

Commissioning the PID_Temp controller ............................................................................ 241

Web server for easy Internet connectivity ............................................................................................. 253

9.1

Easy to use the standard Web pages .................................................................................. 254

9.2

Constraints that can affect the use of the Web server ......................................................... 256

9.3

Easy to create user-defined web pages .............................................................................. 257

9.3.1

Easy to create custom "user-defined" web pages ............................................................... 257

9.3.2

Constraints specific to user-defined Web pages ................................................................. 259

9.3.3

Configuration of a user-defined Web page .......................................................................... 260

9.3.4

Using the WWW instruction ................................................................................................. 260

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Manual, 01/2015, A5E02486774-AG