Read/write function block data
137
09/10 MN05013007Z-EN
Table 68:
Index 01 – Control byte
Example:
The time setpoint 1 is to be read:
Explanation:
Data 1 = 4C
Data 2 = 06
l
resulting 16-bit value = 064C
hex
= 1612
dec
Meaning depending on set time base:
Bit 7 6 5 4 3
2
1
0
FB input/output Data 3
– – – – ST
4
RE
3
EN
2
Q1
1)
1) Switch contact
2) Enable, the timing relay is started (Trigger coil)
3) Reset, the timing relay is reset (Reset coil)
4) Stop, the timing relay is stopped (Stop coil)
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Command: Read
89
–
Response: read successful
–
C2
1
Part no.
8E
8E
2
Instance
00
00
3
Index
03
03
4
Data1
00
4C
5
Data 2
00
06
6
Data 3
00
00
7
Data 4
00
00
Millisecond
S
16120 ms
16.12 s
Second
m:s
1620 s
26:52 Minutes
Minute
H:M
1612 min
67:04 Hours
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