Appendix A. Modbus application
33
akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: +49 (0) 511 16 59 672–0 - www.akytec.de
No
Parameter
Regi-
ster
Valid value
Description
Data type
Default
(Comment)
11
Automatic
Master /
Spy switch
0x004A
0
OFF
UINT16
0
1...65535
Timeout in
case of
absence of
master (s)
12
Digital
signature
0x004B
0
OFF
UINT16
0
1
ON
13
Disable
error
logging
0x004C
0
OFF
UINT16
0
1…100
Number of
repetitions of
the last correct
value
NOTE
* When attempting to write a value outside the valid range, error code 90 is returned.
Table A.5 Date and time
No
Parameter
Register
Valid value
Data type
Default
(Comment)
6 registers (R / W)
1
Seconds
0x0080
0…59
UINT16
0
2
Minutes
0x0081
0…59
0
3
Hours
0x0082
0…23
0
4
Day
0x0083
1…31
1
5
Month
0x0084
1…12
1
6
Year
0x0085
2010…2100
2011
Table A.6 Digital key
No
Parameter
Register
Description
Data type
Default
(Comment)
8 registers (W only)
1
Key
0x00C0
...
0x00C7
Key length:
128 bits
UINT16[8]
0