Pilz PNOZ mm0p 24VDC - Manual (Page 53)

Fieldbus modules
Operating Manual PNOZmulti communication interfaces
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} Click the Store Configuration button. The settings are transferred to the expansion mod-
ule.
} Switch off the supply voltage.
} Set all DIP switches to zero.
} Switch on the supply voltage. The new IP address for the unit is now set.
Data exchange
Twenty bytes always must be sent and received for communication with the PNOZmulti.
Ethernet IP
The input/output data from the PNOZmulti can be polled using the assembly object (Class
04h).
Data from the PNOZmulti are requested with instance 64h.
Instance 96h writes the data from the Ethernet IP scanner to the PNOZmulti.
Modbus TCP
No connection needs to be configured for the PNOZ mc8p. Port 502 is used as required by
the Modbus TCP specification.
Modbus TCP supports the following function codes:
Function code Function name
1 Read coils
2 Read input discretes
3 Read multiple registers
4 Read input registers
5 Write coil
6 Write single register
7 Read exception status
15 Force multiple coils
16 Force multiple registers
22 Mask write register
23 Read/Write registers
The address input range begins with Register 0. The address output range begins with
Register 1024. The byte sequence of a word is high byte/low byte
Word
Left byte
Right byte
Low Byte (Bit 07 ... 00) High Byte (Bit 15 ... 08)
4.4.7
4.4.7.1
4.4.7.2