Behaviour in plc stop (new) – Burkert Type 8644 User Manual

Page 75

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background image

8644/phoenix - 71

S

YSTEM

D

ESCRIPTION

Illustration:
Manual ack-
nowledgement
of peripheral
errors in
standard DP
(PDPCP
module)

The following telegram (service access points and data content) for an acknowledgement is sent via DPV1
(with C1 and C2 masters):

Master

Source SAP

Dest. SAP

Data content

Comment

C1-Master

51

51

5F 00 04 01 02

C2-Master

50

48

5F 00 04 01 02

Pay attention to Initiate

IN PLC stop in the new mode (DIP switch 8 = ON), cycles are resumed in the local bus.

The parameterised security values are issued on the output modules. The value 0 is transmitted to a non-
parameterised module. The BF LED flashes during transmission; this indicates that the output data are
defined by the security values.

The local bus remains in operation. DPV1 commands can be transmitted and processed via the C2 master-
The station is available for longer.

Behaviour in PLC stop (new)

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