
Table of contents
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01 11
9.4 Control with FB 79 ................................................................................................................126
9.4.1 Assignment of the interfaces relevant to PROFINET IO ......................................................126
9.4.2 Select operating modes using the control/status byte ..........................................................131
9.4.3 Example program for data exchange if code length ≤ 27 bytes ...........................................136
9.4.4 Programming data fragmentation .........................................................................................138
9.4.5 FB 79 "VS130-2_CONTROL" ...............................................................................................139
9.4.5.1 How it works..........................................................................................................................141
9.4.5.2 Parameter overview ..............................................................................................................142
9.4.5.3 Job execution........................................................................................................................146
9.4.5.4 Error information ...................................................................................................................150
9.5 Controlling the I/O interface "DI/DQ" ....................................................................................152
9.6 Control via TCP/IP and RS232 .............................................................................................153
9.6.1 Trigger...................................................................................................................................154
9.6.2 Write match string .................................................................................................................154
9.6.3 Setting/resetting DISA bit......................................................................................................155
9.6.4 Query status..........................................................................................................................155
9.6.5 Select program number ........................................................................................................156
9.6.6 Save program with internal trigger........................................................................................157
9.6.7 Save program with external trigger.......................................................................................157
9.6.8 Reset command....................................................................................................................159
9.6.9 Set digital out ........................................................................................................................160
9.7 Remote client ........................................................................................................................161
9.7.1 XML backup and XML restore ..............................................................................................161
9.7.2 XML backup ..........................................................................................................................162
9.7.3 XML restore ..........................................................................................................................164
9.8 SNMP....................................................................................................................................167
9.9 Example programs................................................................................................................169
9.9.1 Connection of the optical reader to a SIMATIC controller using FB 79................................169
9.9.2 Archiving of images and diagnostic information on a PC .....................................................170
10 Service and maintenance.................................................................................................................... 175
10.1 Error and diagnostics messages ..........................................................................................175
10.1.1 Message types......................................................................................................................175
10.1.2 Error messages.....................................................................................................................176
10.1.3 Error output of the read results .............................................................................................180
10.1.4 Read and verification error messages ..................................................................................181
10.1.5 Filter error messages ............................................................................................................184
10.1.6 Diagnostics via the LED display ...........................................................................................185
10.1.7 IO device diagnostics............................................................................................................188
10.1.7.1 Reading out the diagnostics information with STEP 7..........................................................188
10.1.7.2 Diagnostics with PROFINET IO............................................................................................189
10.2 Maintenance and repair ........................................................................................................191
10.3 Replacing a module ..............................................................................................................192
11 Technical data .................................................................................................................................... 195
11.1 Technical specifications of SIMATIC MV540........................................................................195
11.2 Technical specifications of the EF lens.................................................................................198
11.3 Technical specifications built-in ring light..............................................................................199