WAGO 750-643, Manual

Page: 18 / 30

18 • 750-643 [MP-Bus Master Module]
Data transfer
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.8.1 Message codes for the extended control byte
MSG_CODE DPID DATA Description
Null message
0 D0-4 not used
0 D5 TNO
1 D0-4 not
used
F2K_NULL 0
1 D5 TNO
MP-Bus driver request for initialization
0 D0-4 not used
0 D5 TNO
1 D0-4 not
used
F2K_INIT 1
1 D5 TNO
Module test (transparent communication). Number of data from
D1 are transmitted and received again, and reported back via
K2F_TEST.
0 D0 Number of data to be sent max. 9 (0D1-5 and 1D0-3)
0 D1-4 Transmission data (any byte stream)
0 D5 TNO
1
D0-3 Transmission data (any byte stream)
1 D4 not used
F2K_TEST 2
1 D5 TNO
Transmission request. MP-Bus communication for broadcast
telegrams.
The module returns the message code K2F_COM_T0 as a reply.
0 D0-4 MP-Bus telegram according to specification without length and
cross parity.
0 D5 TNO
1
D0-4 MP-Bus telegram according to specification without length and
cross parity.
F2K_COM_T0 3
1 D5 TNO
Communications request for request-response telegrams.
0 D0-4 MP-Bus telegram according to specification without length and
cross parity.
0 D5 TNO
1
D0-4 MP-Bus telegram according to specification without length and
cross parity.
F2K_COM_T1 4
1 D5 TNO
Communications request for request-response telegrams.
The module returns the transmitted MP-Bus command byte with
the reply.
0 D0-4 MP-Bus telegram according to specification without length and
cross parity.
0 D5 TNO
1
D0-4 MP-Bus telegram according to specification without length and
cross parity.
F2K_COM_T2 5
1 D5 TNO
Call function macro.
0 D0 Function macro ID.
0 D1-4 Function macro parameters.
0 D5 TNO
1
D0-4 Function macro parameters.
F2K_FM 6
1 D5 TNO