Pilz PNOZ m B0 - Manual (Page 4)

Content
Operating Manual PNOZmulti 2 Communication Interfaces
1002971­EN­02 4
5.3.7 Interface configuration 28
5.3.8 RJ45 connection cable 28
5.3.9 Process data exchange 28
5.4 Communication procedure 29
5.5 Telegram structure 30
5.5.1 Header 30
5.5.2 Usable data 31
5.5.3 Footer 31
5.6 Usable data 32
5.6.1 Virtual inputs (Input Byte 0 ... Input Byte 15) 32
5.6.1.1 Watchdog 32
5.6.2 Virtual outputs (Output Byte 0 ... Output Byte 15) 32
5.6.3 LED status 32
5.6.4 Tables 33
5.7 Requests 33
5.7.1 Mask (Mask Byte 0 ... Mask Byte 15) 33
5.7.2 Send virtual inputs to the PNOZmulti 34
5.7.3 Send virtual inputs to the PNOZmulti, request state of the virtual outputs
and LED status from the PNOZmulti 35
5.7.3.1 Control Byte (Byte 40) 36
5.7.4 Request state of virtual inputs and outputs from PNOZmulti 38
5.7.5 Request data from the PNOZmulti in table form 38
5.7.6 Send input and output data (cf. fieldbus communication) 39
5.7.6.1 Input data (to the PNOZmulti) 40
5.7.6.2 Output data (from the PNOZmulti) 41
5.7.6.3 Control Byte (Byte 5) 42
5.8 Troubleshooting 44
5.8.1 Request format does not meet specifications 44
5.8.2 Error while executing a request 44
Section 6 Modbus/TCP 45
6.1 System requirements 45
6.2 Modbus/TCP ­ Basics 45
6.3 Modbus/TCP with PNOZmulti 2 46
6.4 Data areas 47
6.4.1 Overview 47
6.4.2 Function codes 48
6.4.3 Data transfer limits 49
6.4.4 Input and output data, watchdog 49
6.4.5 Allocation table of the virtual inputs and outputs 52
6.4.6 Process data, base unit 52
6.4.7 Process data, right­hand expansion modules 54
6.4.8 Process data, left­hand expansion modules 64
6.4.9 Process data, fieldbus and communication module 71
6.4.10 Diagnostic words 74
6.4.11 Enable elements 80
6.4.12 Project data 81
6.4.13 Device data, base unit 83