Wenglor ZAG45FN01, Руководство по эксплуатации

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10.2.4 Communication sequence ............................................................................................................................................ 14
10.3 Protocol: 3964(R) .......................................................................................................................................................... 15
10.3.1 Data structure 3964R ..................................................................................................................................................... 15
10.3.2 Protocol definitions ........................................................................................................................................................ 15
10.3.3 Data communication .................................................................................................................................................... 15
10.3.3.1 Initiation of data communication by the low-priority user ............................................................................................. 15
10.3.3.2 Conflicts ........................................................................................................................................................................ 15
10.3.3.3 Timeout times ............................................................................................................................................................... 15
10.3.3.4 Retries ........................................................................................................................................................................... 16
10.3.3.5 Initiation of data communication by the high-priority user ........................................................................................... 16
10.3.4
Protocol type 3964 ........................................................................................................................................................ 16
10.4 Protocol: MODBUS-RTU ............................................................................................................................................... 16
10.4.1 Notes.............................................................................................................................................................................. 16
10.4.2 Fieldbus Gateway as MODBUS-Master ........................................................................................................................ 16
10.4.2.1 Preparation ................................................................................................................................................................... 16
10.4.2.2 Data structure ................................................................................................................................................................ 16
10.4.2.3 Communication sequence ........................................................................................................................................... 16
10.4.3
Fieldbus Gateway as MODBUS-Slave .......................................................................................................................... 17
10.4.3.1 Preparation .................................................................................................................................................................... 17
10.4.3.2 Data structure ................................................................................................................................................................ 17
10.4.3.3 Communication sequence ............................................................................................................................................ 17
10.4.4
Fieldbus Gateway as Modbus-ASCII Master ................................................................................................................ 17
10.5 The trigger byte ............................................................................................................................................................. 17
10.6 The length byte ............................................................................................................................................................. 17
11. Hardware ports, switches and LEDs ................................................................................................... 18
11.1 Device labeling .............................................................................................................................................................. 18
11.2 Connectors .................................................................................................................................................................... 18
11.2.1 Connector to the external device (RS-interface) ........................................................................................................... 18
11.2.2 Connector supply voltage and DEBUG-interface ......................................................................................................... 19
11.2.3 Ethernet 10/100 BASE/T-connector ............................................................................................................................... 19
11.2.4 Power supply ................................................................................................................................................................. 19
11.3 LEDs .............................................................................................................................................................................. 19
11.3.1 LED "(Ethernet) Power" .................................................................................................................................................. 19
11.3.2 LED "Link/Act. 10 MB".................................................................................................................................................... 19
11.3.3 LED "Link/Act. 100 MB" ................................................................................................................................................. 20
11.3.4 LED "(Ethernet) State" ................................................................................................................................................... 20
11.3.5 LED "Power" ................................................................................................................................................................... 20
11.3.6 LED "State" ..................................................................................................................................................................... 20
11.3.7 LEDs (Error No./Select ID) ............................................................................................................................................ 20
11.4 Switches ........................................................................................................................................................................ 20
11.4.1 Termination Rx 422 + Tx 422 (serial interface) ............................................................................................................. 20
11.4.2 Rotary coding switches S4 + S5 (serial interface) ....................................................................................................... 20
11.4.3 Rotary coding switch S6 (optional) ............................................................................................................................... 21
11.5 The Debug cable for Fieldbus Gateway SC .................................................................................................................. 21
12. Error handling ...................................................................................................................................... 21
12.1 Error handling at Fieldbus Gateway .............................................................................................................................. 21
13. Installation guidelines .......................................................................................................................... 22
13.1 Installation of the module .............................................................................................................................................. 22
13.1.1 Mounting ........................................................................................................................................................................ 22
13.1.2 Removal ........................................................................................................................................................................ 22
13.2 Wiring ............................................................................................................................................................................. 22
13.2.1 Connection systems ...................................................................................................................................................... 22
13.2.1.1 Power supply ................................................................................................................................................................. 22
13.2.1.2 Equipotential bonding connection ................................................................................................................................ 22
13.2.2
Ethernet communication interface ................................................................................................................................ 22
13.2.3 Line routing, shield and measures to combat interference voltage ............................................................................. 22