User manual

Appendix D Functions and data transfer
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: [phone] · www.akytec.de
18
Modbus function *)
SLA.F
44
3 – 0x0003
4 – 0x0004
byte
read/write
Operating parameters
Data type
dAtA
17
0 – Int
1 – Word
2 – Float
3 – String[8]
4 – Image
byte
read/write
Decimal point position
dP
18
0 (- - - -)
1 (- - - -.)
2 (- - -.-)
3 (- -.- -)
4 (-.- - -)
byte
read/write
Flash interval
PF
19
200 … 9999 ms
UInt16
(2 bytes)
read/write
Alarm logic
AL.t
20
0 – off
1 – ∩-Logic
2 – U-Logic
byte
read/write
Setpoint
C.SP
21-22
-999 … 0.0 … +9999
Single
(8 bytes)
read/write
Hysteresis (Δ)
HYST
23-24
0 … 10.0 … 9999
Single
(8 bytes)
read/write
Table D4 Transmitted data
Comment: not displayed during the Configuration check (see 5.4).
Parameter
Register
no. (dec)
Values Data type Comment
Status byte
Stat
14
0 … 255
byte
Read only
Bit 0 – EEPROM error
Bit 1 – Parameter error
Data type Int value
val.I
25
-32768 … 0 … 32767
Int16
(2 bytes)
read/write
Data type Word value
val.W
26
0 … 65535
UInt16
(2 bytes)
read/write
Data type Float value
val.F
27-28
0.0
Single
(8 bytes)
read/write
Data type String value
val.S
29-32
see **)
default – (- - - -)
Char [8]
(8 bytes)
read/write
Data type Image value
val.P
33-34
see **)
default – ( )
Char [4]
(4 bytes)
read/write
Display mode for data type
String and Image
ind.M
35
0 – flashing off
1 – flashing on
byte
read/write
Actual state of the display
segments
O.Str
36-37
see ***)
Char [4]
(4 bytes)
read only
Standard display mode
O.mod
38
0×00 – flashing off
0×ВB – flashing on
byte
read only
Command
Aply
15
0x81
default – 0
byte
Save changed parame-
ters