CD Automation srl
CD3200-1PH from 15A to 110A
User’s Manual
41
13
Configuration Parameters
The Configuration Parameters are accessible from the software configurator or through the serial
communication port RS485.
P001L (H01)
Byte Lo = Load Voltage
R
Function:
This parameter show the Voltage rms value
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
Value:
Value depends on the Unit type
P001H (H01)
Byte Hi = Load Current
R
Function:
This parameter shows the Current rms value.
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
Value:
Value depends on when turns have current transformer and from his size’s.
Example:
With one passage on the current transformer (CT) 25/0.05A, the max value
corresponds to the max value of the CT:
Read value=255 (FF Hex) -> Load Current= 25A
P002L (H02)
Byte Lo = Set-point Voltage
R/W
Function:
This parameter is the Set-point voltage saved by the Calibration Procedure
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
P002H (H02)
Byte Hi = Set-point Current
R/W
Function:
This parameter is the Set-point of current below which HB alarm occurs
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
Value:
This value is the load current(P001H) minus % value of parameter P126H
P003 (H03)
Status Table
R
Function:
It’s a tab in bit that represent the “Status” of thyristor unit
Value:
Bit 0 = 1 -> Short circuit on SCR
Bit 1 = 1 -> Load Failure (HB Alarm)
Bit 2 = 1 -> Output signal ON
Bit 3 = 1 -> HB Calibration in progress
Bit 4 = 1 -> Current Limit Flag
Bit 5 = 1 -> Thermal switch
P004 (H04)
Command Table
R/W
Function:
It’s a tab in bit for remote commands via RS485
Value:
Bit 0 = 1 -> Activate HB Calibration procedure
Bit 1 = 1 -> Input Command from RS485 (see P005)
Bit 2 = 1 -> Disable Output signal (Only with Input from RS485)
Bit 3 = 1 -> Reset HB Alarm
Bit 4 = 1 -> Current Limit via RS485 (see P007)
Note:
When unit is switch off all command parameter are set to 0
P005L (H05)
Input command signal
R
Function:
This parameter reads the Input command signal (see par. 7.4)
When the P004 Bit1 =1 This parameter could be written and become the Input
Command from RS485
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
Example:
Input 4mA -> P005L = 0 (0%)
Input 12mA -> P005L = 128 (50%)
Input 20mA -> P005L = 255 (100%)
P005H (H05)
Byte Hi = Ramped Input command signal
R
Function:
This parameter reads the Input command signal after the ramp
Min/Max:
0 ÷ 255 (0 ÷ FF Hex)
Example:
Input 4mA -> P005H = 0 (0%)
Input 12mA -> P005H = 128 (50%)
Input 20mA -> P005H = 255 (100%)