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MIW-EVSS-DM-EN-000 - 18 / 12 / 2018
13 - 16
HOLDING REGISTERS
Data type
Description
Data
Default
Values
1
Device slave address
unsigned int.
Modbus device address
1—247
1
2
Modbus baud rate
unsigned int.
Modbus communication baud rate
1—4
2
1 =
2 =
3 =
4 =
9.600
19.200
38.400
57.600
3
Modbus parity
unsigned int.
Parity check mode
0—2
1
0 =
1 =
2 =
8N1
8E1
8O1
4
Device type
unsigned int.
Device type
(Read only)
EVSS-DM = 3005
5
HW version
unsigned int.
Hardware version of the device
(Read only)
XXXX
0 x 0300 =
HW version 3.00
6
FW version
unsigned int.
Firmware version of the device
(Read only)
XXXX
0 x 0140 =
FW version 1.40
7
Operating mode
unsigned int.
Enables Modbus control and disables the DIP switch
and trimmers
0—1
0
0 =
1 =
Standalone
mode
Modbus mode
8
Output override
unsigned int.
Enables the direct control over the output.
Always
settable. Active only if holding register 7 is set to 1.
0—1
0
0 =
1 =
Disabled
Enabled
9-10
Reserved, return 0
11
Analog input type
unsigned int.
Selects the analog input type of the device.
Always
settable. Active only if holding register 7 is set to 1.
0—1
1
0 =
1 =
0—20 mA
0—10 VDC
12
Ascending /
descending analog
input mode
unsigned int.
Ascending / descending analog input mode.
Depends on the selected analog input type. Always
settable. Active only if holding register 7 is set to 1.
0—1
1
0 =
1 =
0 =
1 =
10—0 VDC
0—10 VDC
or
20—0 mA
0—20 mA
13
Maximum output
voltage
unsigned int.
Maximum settable output voltage.
Always
settable. Active only if holding register 7 is set to 1.
75—100
100
75 =
100 =
75 % Us
100 % Us
14
Minimum output
voltage
unsigned int.
Minimum settable output voltage.
Always settable.
Active only if holding register 7 is set to 1.
30—70
30
30 =
160 =
30 % Us
00 % Us
15
Enable off level
unsigned int.
Enables off level. Always settable.
Active only if
holding register 7 is set to 1.
0—1
0
0 =
1 =
Disabled
Enabled
16
Off level value
unsigned int.
Off level value.
Depends on the selected analog
input type and ascending / descending analog
input mode. Always settable. Active only if holding
register 7 is set to 1.
0—40
60—100
0
Ascending mode:
0 =
40 =
0 =
40 =
Voltage
0 VDC
4,0 VDC
Current
0 mA
8,0 mA
Descending mode:
100 =
60 =
100 =
60 =
Voltage
10,0 VDC
6,0 VDC
Current
20,0 mA
12,0 mA
17
Kick start / soft start unsigned int.
Selects kick start or soft start.
Always settable.
Active only if holding register 7 is set to 1.
0—1
1
0 =
1 =
Soft start
Kick start
18
Kick start / soft start
duration
unsigned int.
Sets the duration time. Always settable.
Active
only if holding register 7 is set to 1.
0—60
10
0 =
60 =
0 s
60 s
19
Remote control
functionality
unsigned int.
Sets the remote control input mode.
Depends on
the selected kick start or soft start mode. Always
settable. Active only if holding register 7 is set to 1.
0—1
0
0 =
1 =
Normal mode
Timer mode
20
Analog input
functionality
unsigned int.
Sets the analog input functionality.
Depends on the
selected kick start or soft start. Always settable.
Active only if holding register 7 is set to 1.
0—1
0
0 =
1 =
Normal mode
Logic mode
21
Operation timer
unsigned int.
Sets the operation time of the device when Timer
mode by remote control input or Logic mode by
the analog input is selected. The operation time
is additional to the kick start / soft start duration
times.
Always settable. Active only if holding
registers 7 and 19 or / and 20 are set to 1.
0—200
60
0 =
200 =
0 s
200 s
22-
30
Reserved, return 0
31
Output override value unsigned int.
Override value for the analog output.
Always
settable. Active only if holding register 8 is set to 1.
0
30—100
0
0 =
30 =
100 =
0 % Us
30 % Us
100 % Us
32-
40
Reserved, return 0
If you want to find out more about Modbus over serial line, please visit:
http://www.modbus.org/docs/Modbus_over_serial_line_V1_02.pdf
EVSS
ELECTRONIC FAN SPEED
CONTROLLER WITH TK