Options; Multi-Parameter Sets; Modbus Tcp Option; Modbus Register List - Walter Valve Controller Originalbetriebsanleitung

8

Options

The Modbus TCP and multi-parameter sets options can be ordered from Walther Systemtechnik.
Simply enter the Mac address. Walther Systemtechnik generates an unlock code. Enter this in the
"activate functions" field under the "Settings" tab. The function that has just been activated is then
activated and thus available.

Multi-Parameter Sets

If this option is enabled, eight parameter sets are available to the user.

Modbus TCP Option

If this option is enabled, the WVC can be controlled via a higher-level controller via Modbus TCP. The
Modbus registers are shown in 8.2.1 .
8.2.1

Modbus Register List

Registers 00000 to 00003 and 00014 and 00015 are used to read and write the digital outputs. It is
read with the code 0x01, with the code 0x05 it is possible to write to a register. With the code 0x0F,
several registers can be written. The heating can be switched on or off with the digit 1 or 0, the manual
dosing and the spraying sequence (de-)/activated, the dosing counter can be set to 0 or the I/O
parameters or the current parameter set can be saved in flash memory.
Tab
Start
HIGH
00000
00001
00002
00003
00014
00015
WVC
Figure 33 – Enable features
Table 35 – Digital Outputs Modbus Register
Description
End Digital Outputs, Read/Write
LOW
00000 Heating on/off
00001 Manual metering/dosing
00002 Start Spraying Sequence
00003 Reset Metering/Dosing Counter
Save I/O parameters in flash
00014 memory
Save the current parameter set
00015 in flash memory
Value Area
1 bit 1/0
1 bit 1/0
1 bit 1/0
1bit 1/0
1/0
1bit
1/0
1bit
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