Siemens SIMATIC NET PROFIBUS Instrukcja Obsługi Pobierz pdf (Strona 6)

Contents

DP Base Programming Interface for CP 5613/CP 5614

C79000-G8976-C108-01

4 Description of the DP Functions, Data, and Error Codes ............................................65

4.1 List of Functions of the CP 5613 and CP 5614.....................................................66

4.1.1 Overview of the Functions ...................................................................................68

4.1.2 DP_start_cp ........................................................................................................70

4.1.3 DP_reset_cp........................................................................................................71

4.1.4 DP_open .............................................................................................................72

4.1.5 DP_get_pointer ...................................................................................................73

4.1.6 DP_release_pointer.............................................................................................75

4.1.7 DP_close.............................................................................................................76

4.1.8 DP_get_err_txt ....................................................................................................78

4.1.9 DP_set_mode......................................................................................................79

4.1.10 DP_slv_state.......................................................................................................81

4.1.11 DP_read_slv_par.................................................................................................83

4.1.12 DP_global_ctrl.....................................................................................................85

4.1.13 DP_ds_read ........................................................................................................87

4.1.14 DP_ds_write........................................................................................................90

4.1.15 DP_read_alarm ...................................................................................................93

4.1.16 DP_alarm_ack.....................................................................................................96

4.1.17 DP_get_actual_cfg ..............................................................................................99

4.1.18 DP_enable_event..............................................................................................102

4.1.19 DP_disable_event .............................................................................................107

4.1.20 DP_get_result....................................................................................................108

4.1.21 DP_get_cref ......................................................................................................111

4.1.22 DP_init_sema_object.........................................................................................112

4.1.23 DP_delete_sema_object....................................................................................114

4.1.24 DP_fast_logic_on ..............................................................................................115

4.1.25 DP_fast_logic_off ..............................................................................................116

4.2 Additional Functions of the CP 5614..................................................................117

4.2.1 Overview of the Slave Module Functions ...........................................................118

4.2.2 DPS_open.........................................................................................................120

4.2.3 DPS_close ........................................................................................................124

4.2.4 DPS_start..........................................................................................................125

4.2.5 DPS_stop..........................................................................................................126

4.2.6 DPS_get_baud_rate ..........................................................................................127

4.2.7 DPS_get_gc_command.....................................................................................129

4.2.8 DPS_get_state ..................................................................................................131

4.2.9 DPS_set_diag ...................................................................................................133

4.2.10 DPS_get_ind.....................................................................................................135

4.2.11 DPS_set_resp ...................................................................................................140

4.2.12 DPS_calc_io_data_len ......................................................................................142

4.3 Access to the Process Image of the CP 5613/CP 5614......................................143

4.3.1 Reading the Input Data of a DP Slave................................................................144

4.3.2 Reading the Diagnostic Data of a DP Slave.......................................................146

4.3.3 Writing the Output Data of a DP Slave...............................................................148

4.3.4 Checking the Slaves for Changed Data .............................................................150

4.3.5 Querying the State of a DP Slave ......................................................................152

4.3.6 Querying Information about the DP Master ........................................................154

4.3.7 Querying Current Bus Parameters of the Master................................................155

4.3.8 Querying Information about DP Slaves ..............................................................158

4.3.9 Reading PROFIBUS Statistical Data..................................................................159

4.3.10 Querying the Fast Logic Status..........................................................................161

4.3.11 Activating/Deactivating the Generation of Hardware Events...............................162

4.3.12 Sending Data with the CP 5614 as DP Slave.....................................................164

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