Vacon CX Series - Active Fault Code

VACON CX Modbus user’s manual Page 18
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Vacon Oy Phone +358-201-2121 Fax: +358-201-212 205
n8 Temperature 1 °C Temperature of the heat sink
n9 Operating day counter DD.dd
Operating days
1)
, not resettable
n10 Operating hours, "trip
counter”
HH.hh
Operating hours
2)
, can be reset with program-button
#3
n11 MW-hours 0,001 MWh Total MW hours, not resettable
n12 MW-hours, "trip counter" 0,001 MWh MW-hours, can be reset with programmable button #4
n13 Voltage/analogue input 0,01 V Voltage of the terminal U
in
+ (control board)
n14 Current/analogue input 0,01 mA Current of terminals I
in
+ and I
in
- (control board)
n15 Digital input status, gr. A 0 = Open Input, 1 = Closed Input (Active)
n16 Digital input status, gr. B 0 = Open Input, 1 = Closed Input (Active)
n17 Digital and relay output
status
0 = Open Input, 1 = Closed Input (Active)
n18 Control program Version number of the control software
n19 Unit nominal power 0,1 kW Shows the power size of the unit
n20 Motor temperature rise 1 % 100%= temperature of motor has risen to nominal
value
1)
DD = full days, dd = decimal part of a day
2)
HH = full hours, hh = decimal part of an hour
Table 7-1 Monitored Items
Example 1: Read value of Vacon variable 3.
Response: Value of monitored item ( 156 = 15,6 A).
Query:
01 04 00 02 00 01 CRC16
Slave addr Function Address HI Address LO Number of
points HI
Number of
points LO
2 bytes
Response:
01 04 02 00 9C CRC16
Slave addr Function Byte count Data HI Data LO 2 bytes
7.3.3 Active Fault Code
When a fault status is active, fault code can be read by using the function code 3. Modbus address
according to the fault code as follows.
Modbus address Vacon variable
30100 Active fault code
List and description of the fault codes are in USER’S MANUAL VACON CX/CXL/CXS
Example 1: Read active fault code.
Response: fault code 1 = Overcurrent
Query:
01 04 00 64 00 01 CRC16
Slave addr Function Address HI Address LO Number of
points HI
Number of
points LO
2 bytes
Response:
01 04 02 00 01 CRC16
Slave addr Function Byte count Data HI Data LO 2 bytes