3.5.3.4 Control commands
The forwarding of control commands to the product is described below.
Control command
Control-Holding-Register
(Modbus Specification)
Description / explanation
Hex.
Dec.
Command
Value
Beacon on
0x1770
6000
0x0001
All the LEDs of a certain device flash at
the same time to identify this device.
Beacon off
0x1770
6000
0x0000
End flashing of the LEDs.
Valve control, start
0x1771
6001
time
Start the discharge process for a given
time in milliseconds.
0
Maximum possible duration of
the entry: 65000 ms.
Valve control, end.
0x1771
6001
0x0000
Stop the discharge process.
Service interval, time
0x1772
6002
0x0001
Reset the time until the next
maintenance.
Service interval, switching
cycles
0x1772
6002
0x0002
Reset the switching cycles until the next
maintenance.
Restart device
0x1773
6003
0x8E40
Restart the device.
1. Write the value 0xBEEF (decimal: 48879) to the Key Register 0x1392 (decimal: 5010).
0
Write access and control command function are released for 1 minute.
2. Select the control command from the control command table and write it to the respective Control Holding Register.
Example: Reset the time until the next maintenance
Register
Value
Control-Holding-Register:
0x1772 (dec. : 6002)
Command Value:
0x0001
3. After the values have been entered in the Control Holding Register, the release of write access and the control
command function expires.
3.5.4 Error messages
Error code Error message
Description / explanation
01
ILLEGAL FUNCTION
Function not implemented
02
ILLEGAL DATA ADDRESS
Requested address outside of the valid range
03
ILLEGAL DATA VALUE
Incorrect data
04
SERVER DEVICE FAILURE
Error occurred during inquiry that cannot be eliminated
BEKOMAT
®
14i / 14i CO / 14i CO PN25
Original installation and operation manual
24 | 76
Содержание BEKOMAT 14i
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