Salda Stouch Notice Technique page 49

EN
Due to limited number of symbols in segment display, modbus addresses of "CUSTOM" device are entered as
HIGH and LOW bytes in hexadecimal (HEX) system. Using buttons B2 and B3, select HIGH or LOW bytes, "H.00"
and "L.00" are displayed respectively.
Modbus register read and record tool
Modbus register read and record tool indicated in F.39 and F.40 items is useful when you want to set the unit's
parameters, which by default are not controlled by remote controller, but these parameters are accessible via
Modbus. F.39 is used for Holding type registers and F.40 used Coil registers.
Using the Tool:
1. Modbus register address is indicated and confirmed by "MAX" button.
2. The tool reads the address value and shows on a segmental display (the value flashes).
3. Change the value with "+" and "-" button and confirm with the MAX button.
4. The tool records the value to indicated register and return to the service menu.
Stouch control panel and other Modbus devices may not work prop-
erly when PRV automation is on the Compatibility mode.
"Compatibility mode" can be turned off with Stouch control panel:
1. Go to Service menu item F.40 (Modbus Coil read / write tool). How to enter service interface is described in
Stouch technical manual.
2. Specify address 21 and press "MAX" (indicate "Compatibility mode" Modbus register)
3. Set "0" and press "MAX" ("1" - on, "0" - off)
Modbus Slave address table
Switch of locking
Speed 1 (%) 0 – 100
Speed 2 (%) 0 – 100
Speed 3 (%) 0 – 100
Speed 4 (boost) (%) 0 – 100
Speed 1 (Pa) 0 – 999
Speed 2 (Pa) 0 – 999
Speed 3 (Pa) 0 – 999
Speed 4 (boost) (Pa 0 – 999
Pressure PID – P 0 – 999
Pressure PID – I 0 – 999
Pressure PID – D 0 – 999
Converter MIN
www.salda.lt
Name Possible values
0: 0..100 %
Fan control 1: Fixed speeds
2: Based on fixed pressures
0: Not locked
1: Fan always operates at mini-
mum speed 1
0: No
1: Pressure
2: CO
2
Address
Type
(HEX)
Holding
0x01
register
Holding
0x02
register
Holding
0x03
register
Holding
0x04
register
Holding
0x05
register
Holding
0x06
register
Holding
0x07
register
Holding
0x08
register
Holding
0x09
register
Holding
0x0A
register
Holding
0x0B
register
Holding
0x0C
register
Holding
0x0D
register
Holding
0x0E
register
Address
(DEC)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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