Balluff BIS U-6127-081-1 4-06-ST36 Betriebsanleitung Seite 306

BIS U-6127-081-1_4-06-ST36
Processor unit
8
007 protocol (continued)
Command identifier 'Y': Cyclical process data, read
Read process data via the IO-Link interface.
To be able to receive data via the IO-Link
interface, the IO-Link port (pin 4) must be
configured as a data port (C/Q) (see Command
identifier 'g': IO-Link master configuration, write
on page 129).
Byte Length Command
element
00 1 Command
identifier (ASCII)
01...03 3 Start address
(ASCII)
04...06 3 Number of bytes
(ASCII)
07 1 BCC
Status message:
Byte Length Command
element
00 1 Status
01 1 Status code
If the status message is positive, data is requested with
<STX>.
Byte Length Command
element
00 1 Control com-
mand
If the command cannot be executed properly, a negative
status message follows.
Byte Length Command
element
00 1 Status
01 1 Status code
130 english
If the command is executed successfully, a positive status
message follows. This contains a length field and the
requested data.
Byte
00
01...03 3
Value range
04
'Y'
Last
byte
"000"..."999"
"000"..."999"
00 ...FF
hex hex
Value range
<ACK> or
<NAK>
See Status codes
on page 94
Value range
<STX>
Value range
<NAK>
See table Status
codes on page
94
Length Command
element
1 Status
Number of bytes
(ASCII)
No. of Data
bytes
1 BCC
Value range
<ACK>
"000"..."999"
Byte:
00 ...FF
hex hex
00 ...FF
hex hex