Siemens simatic s7-400 FM 450-1 User Manual page 6

Table of contents
7 Commissioning ..................................................................................................................................... 55
7.1 Chapter overview ........................................................................................................................ 55
7.2 Working steps during mechanical installation ............................................................................. 56
7.3 Working steps for parameter assignment ................................................................................... 59
8 Modes, settings, parameters and commands ........................................................................................ 65
8.1 Chapter overview ........................................................................................................................ 65
8.2 Overview of modes, settings and commands ............................................................................. 66
8.3 Basics on calling modes, settings and commands ..................................................................... 68
8.4 Infinite counting ........................................................................................................................... 69
8.5 Single counting ............................................................................................................................ 71
8.6 Periodic counting ......................................................................................................................... 73
8.7 Count range ................................................................................................................................ 75
8.8 Setting: Behavior of the digital outputs ....................................................................................... 76
8.9 Setting: Pulse duration ................................................................................................................ 79
8.10 Command: Open and close gate ................................................................................................ 80
8.11 Command: Set counter ............................................................................................................... 83
8.12 Initiating a process interrupt ........................................................................................................ 90
9 Encoder signals and their evaluation ..................................................................................................... 93
9.1 Chapter overview ........................................................................................................................ 93
9.2 Encoders which can be connected ............................................................................................. 94
9.3 5-V differential signals ................................................................................................................. 95
9.4 24-V signals ................................................................................................................................ 97
9.5 Signal evaluation ....................................................................................................................... 100
10 Assignment of the DB .......................................................................................................................... 103
10.1 Assignment of the DB ............................................................................................................... 103
11 Errors and diagnostics ......................................................................................................................... 107
11.1 Chapter overview ...................................................................................................................... 107
11.2 Faults indicated via the diagnostics LEDs ................................................................................ 108
11.3 Initiation of diagnostics interrupts .............................................................................................. 109
11.4 Data error .................................................................................................................................. 112
11.5 Operator error ........................................................................................................................... 113
12 Technical Data ..................................................................................................................................... 115
12.1 General technical specifications ............................................................................................... 115
12.2 Technical Data .......................................................................................................................... 116
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Counter module FM 450-1
Manual, 02/2014, A5E03648739-02