WAGO-I/O-SYSTEM 750
Appendix
79
750-657 IO-Link Master
Manual
Version 1.0.2, valid from FW/HW-Version 02/01
11.1.1.3.1.2 Acknowledgement
The following acknowledgements are defined:
Table 38: Acknowledgement
Value Meaning
Description
0
INVALID
Signals that the IO-Link master has not started operations
again after a reset.
1
HOLD ACKNOWLEDGE Signal or confirmation that the channel is ready, but data is
not currently being transferred (e.g. because there is not any
data yet).
2
RESET ACKNOWLEDGE Response to "RESET REQUEST" when Mailbox in reset.
3..7
-
(not supported, ignore)
11.1.1.3.1.3 Signaling
In signal mode, the handshake byte appears as follows:
Table 39: Structure of the handshake byte
Handshake byte
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0
Signal
Table 40: Signaling
Value
Meaning
Description
0x00
INVALID SIGNAL
Status of the process image without any effect by
Mailbox 2.0
0x32
RESET SIGNAL
Shows that the local Mailbox is in the process of
restarting
0x33
ERROR SIGNAL
Shows that the local Mailbox is in the fault condition
(other)
-
Other values are not considered as signals and are
processed separately in the Status or Control nibble.