Pilz PNOZ m B0 - Manual (Page 32)

Communication modules
Operating Manual PNOZmulti 2 Communication Interfaces
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5.6 Usable data
This section describes the payload that can be transmitted as the result of a corresponding
request.
5.6.1 Virtual inputs (Input Byte 0 ... Input Byte 15)
The virtual inputs are defined by the communication partner and transferred to the
PNOZmulti 2 . Each input has a number, e.g. input bit 4 of input byte 1 has the number i12.
Input Byte
0 i7 i6 i5 i4 i3 i2 i1 i0
1 i15 i14 i13 i12 i11 i10 i9 i8
2 i23 i22 i21 i20 i19 i18 i17 i16
… ... ... ... ... ... ... ... ...
15 i127 i126 i125 i124 i123 i122 i121 i120
5.6.1.1 Watchdog
The watchdog is used to monitor the virtual inputs.
If no virtual inputs are sent by a communications partner within a defined watchdog time
(watchdog timeout), the PNOZmulti sets the virtual inputs to "0".
The configuration and functionality of the watchdog varies and so is described in the re­
spective requests.
5.6.2 Virtual outputs (Output Byte 0 ... Output Byte 15)
The virtual outputs are defined in the PNOZmulti Configurator. Each output that is used is
given a number there, e.g. o0, o5 .... The state of output o0 is stored in bit 0 of output byte
0; the state of output o5 is stored in bit 5 of output byte 0 etc.
Output Byte
0 o7 o6 o5 o4 o3 o2 o1 o0
1 o15 o14 o13 o12 o11 o10 o9 o8
2 o23 o22 o21 o20 o19 o18 o17 o16
... ... ... ... ... ... ... ... ...
15 o127 o126 o125 o124 o123 o122 o121 o120
5.6.3 LED status
The status of the LEDs is stored in a byte as follows:
} Bit 0 = 1: LED OFAULT is lit or flashes
} Bit 1 = 1: LED IFAULT is lit or flashes
} Bit 2 = 1: LED FAULT is lit or flashes
} Bit 3 = 1: LED DIAG is lit or flashes
} Bit 4 = 1: LED RUN is lit