Querying Remote Process Image Parameters Within The Master Pi - WAGO I/O-SYSTEM 750 Manual

148 Appendix
Request
Byte
0
1
2
3
Arguments
Parameters
MBX_TARGET_TABLE_
AND_INDEX
CUTOFF_N_BYTES
Response
Byte
0
1
Return value
Parameters
MBX_RESULT
12.3.4.2

Querying Remote Process Image Parameters within the Master PI

GetRemotePiMapping, 0x33
With this command, the settings for a slot in the local PI are queried. 13 slots are
available. Slots 1 to 7 are occupied by the fields of the table "WAGO devices"
and slots 8 to 13 by the fields of the table "External Devices".
Conditions
Mailbox size
6
●
7 6
2 2
T
MBX_TARGET_TABLE_AND_INDEX
Value
Bit 0 ... 3
Bit 4 ... 7
[0 ... 46]
7 6
2 2
T
Value
MBX_CMD_INVALID_CONFIGURATION Before and after the command,
MBX_CMD_INVALID_ARG
MBX_CMD_OUT_OF_RANGE
12 18 Config. Real-time Ad-hoc Master Slave
● ● ●
750-644 Bluetooth
5 4 3
2 2 2
MBX_SETREMOTEPISIZE
-
CUTOFF_N_BYTES
Description
Table index
Index 0 ... 6 for 750-644 I/O modules of slots 1 ... 7
Index 0 ... 5 for Bluetooth
8 ... 12
Target table
"2" for WAGO_DEVICE (slots 1 ... 7)
"1" for EXTERNAL_DEVICE (slots 8 ... 12)
Number of bytes after which the slave process image
is cut off. The redundant bytes are lost.
5 4 3
2 2 2
MBX_SETREMOTEPISIZE
MBX_RESULT
Mode Device role
● ●
Version 2.0.0, valid from FW/HW Version 03/03
WAGO-I/O-SYSTEM 750
®
RF-Transceiver
2 1
2 2
®
SPP devices of slots
2 1
2 2
Description
the sum of all
CUTOFF_N_BYTES is larger
than the available master
process image.
No valid target table has been
chosen.
With the given value, the sum
of all CUTOFF_N_BYTES
would exceed the limit of the
available master process image
or the indicated index is too
large.
Save
config.
● ● -
0
2
0
2
Reboot
-
Manual