D300529 0115 - BL67 I/O modules 12-1
12 Technology modules
12.1 BL67-1RS232..................................................................................................................................... 3
12.1.1 Data transfer method .........................................................................................................................................................................3
12.1.2 Data exchange ......................................................................................................................................................................................3
12.1.3 Process data ...........................................................................................................................................................................................3
– Process input data ...........................................................................................................................................................................3
– Schematic diagram of the receive sequence.........................................................................................................................5
– Process output data ........................................................................................................................................................................6
– Schematic diagram of the transmit sequence.......................................................................................................................8
12.1.4 Technical data ......................................................................................................................................................................................9
12.1.5 Diagnostic and status messages.................................................................................................................................................. 11
– LED status messages.................................................................................................................................................................... 11
– Diagnostic data.............................................................................................................................................................................. 12
12.1.6 Module parameters .......................................................................................................................................................................... 13
12.1.7 Base modules/pin assignment..................................................................................................................................................... 16
12.2 BL67-1RS485/422............................................................................................................................ 18
12.2.1 Data transfer method ...................................................................................................................................................................... 18
12.2.2 Data exchange ................................................................................................................................................................................... 18
12.2.3 Process data ........................................................................................................................................................................................ 18
– Process input data ........................................................................................................................................................................ 18
– Schematic diagram of the receive sequence...................................................................................................................... 20
– Process output data ..................................................................................................................................................................... 21
– Schematic diagram of the transmit sequence.................................................................................................................... 22
12.2.4 Technical data ................................................................................................................................................................................... 23
12.2.5 Diagnostic and status messages.................................................................................................................................................. 25
– LED status messages.................................................................................................................................................................... 25
– Diagnostics...................................................................................................................................................................................... 25
12.2.6 Module parameters .......................................................................................................................................................................... 26
12.2.7 Base modules/pin assignment..................................................................................................................................................... 29
12.3 BL67-1SSI ........................................................................................................................................ 31
12.3.1 Data transfer method ...................................................................................................................................................................... 31
12.3.2 Data exchange ................................................................................................................................................................................... 31
– Process data .................................................................................................................................................................................... 31
– Process input data (PZDE).......................................................................................................................................................... 31
– Process output data (PZDA) ...................................................................................................................................................... 36
12.3.3 Internal registers - read and write operations ........................................................................................................................ 38
12.3.4 Register access and meaning........................................................................................................................................................ 38
12.3.5 Comparison value 1, comparison value 2 ................................................................................................................................ 41
12.3.6 Lower limit, upper limit................................................................................................................................................................... 42
12.3.7 Offset function/load value ............................................................................................................................................................. 42
12.3.8 Status messages of the SSI encoder........................................................................................................................................... 43
12.3.9 Resetting the register bank ........................................................................................................................................................... 44
12.3.10 Technical data .................................................................................................................................................................................... 44
12.3.11 Diagnostic and status messages.................................................................................................................................................. 47
– LED status messages.................................................................................................................................................................... 47
– Diagnostics...................................................................................................................................................................................... 47
12.3.12 Module parameters .......................................................................................................................................................................... 48
12.3.13 Base modules/pin assignment..................................................................................................................................................... 50
12.4 BL67-1CVI........................................................................................................................................ 52