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13 safe ethernet connection, 5 updating the data areas, Updating the data areas – Pilz PNOZ mm0p 24VDC User Manual

Page 116

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Modbus/TCP

Operating Manual PNOZmulti communication interfaces
1001154-EN-13

116

Safe Ethernet connection
The table below describes the Modbus/TCP data areas that contain the data for the safe
Ethernet connection. A description of how to use this data is provided in the chapter entitled
"Safe Ethernet Connection".

Register
(3x)

Coil/
Discrete Input
(1x)

Content

High Byte

Low Byte

20000 - 20017 -

Safe Ethernet connection

send data

21000 - 21017 -

Safe Ethernet connection

receive data

Updating the data areas

Data is updated with varying priority.
The table below shows the typical update cycles for the various data.

Content

Typ. update cycle

Virtual inputs/outputs

20 ms

Configuration

Once during initialisation

State of the inputs/outputs from the base unit and expan-

sion modules

320 ms

LED status

1000 ms

Number of elements that can store a state

Once during initialisation

Element enable

320 ms

Diagnostic words

1000 ms

Element types

Once during initialisation

Current state of the virtual inputs

1000 ms

Information
The update time may increase if there are additional TCP/IP connections
(e.g. PNOZmulti Configurator, PMI, control system) on the PG port (Port
9000).

6.4.4.13

6.4.5