Dx350_06d_oi_e.docx / Jul-20
page 57 / 67
Access to actual data
Holding Register 0x1000 / 0x1001 hex and following allow access to variables of the device (actual data
registers):
Holding Register 0x1000 / 0x1001 hex
Actual data with serial Code “:0” (Display value)
Holding Register 0x1002 / 0x1003 hex
Actual data with serial Code “:1”
Holding Register 0x1004 / 0x1005 hex
Actual data with serial Code “:2”
Holding Register 0x1006 / 0x1007 hex
Actual data with serial Code “:3”
etc.
Access to status registers
Holding Register 0x2000 / 0x2001 hex and following allow access to status registers of the device:
Holding Register 0x2000 / 0x2001 hex
Output Status (Ctrl. Out status, read only)
Holding Register 0x2002 / 0x2003 hex
Serial Commands
Holding Register 0x2004 / 0x2005 hex
External Command (Ctrl. In status, read only)
Holding Register 0x2006 / 0x2007 hex
All Commands (read only)
Read Coils and Write Single Coil
With the functions “Read Coils” and “Write Single Coil” it is possible to read and set/reset single commands:
Coil
number
Serial code of
command
Command
0
54
Reset / Set
Reset/Set Value
1
55
Freeze Display
Freeze actual display value
2
56
Touch Disable
Disable touch screen
3
57
Clear Lock
Loosen locking of all outputs / relay
4
58
Clear Min/Max
Reset of the min. / max. values
5
59
Serial Print (do not use with Modbus)
Sending of serial data
6
60
Teach Preset 1
Current display value is stored as
PRESELECTION 1
7
61
Teach Preset 2
Current display value is stored as
PRESELECTION 2
8
62
Teach Preset 3
Current display value is stored as
PRESELECTION 3
9
63
Teach Preset 4
Current display value is stored as
PRESELECTION 4
10
64
Scroll Display
Display switching (see display in
operation mode)
11
65
Clear Loop Time
Release all latched switching
conditions
12
66
Start Preselection
The preselection starts
13
67
Activate Data (not required with
Modbus)
The data is activated
.
14
68
Store to EEPROM
Store to EEPROM
15
69
Testprogram (do not use with
Modbus)
Testprogram (do not use with
Modbus)
Diagnostics
The device supports the diagnostics subfunction 00 “Return Query Data”. Other diagnostics functions are not
available.
