Rev. 0 - 05/11/2020
OPERATING MANUAL
OPERATING MANUAL
EN
EN
3/48
10.1 Speed control
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10.1.1 Analog speed control
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10.1.2 Modbus temporary speed control
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10.1.3 Modbus fixed speed control
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10.1.4 Speed control curves: examples
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10.2 Constant airflow
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10.3 Asynchronous emulation
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10.4 PID closed control loop
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10.4.1 Analog ref. PID closed control loop
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10.4.2 Modbus temporary ref. PID closed control loop
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10.4.3 Modbus fixed ref. PID closed control loop
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10.4.4 Modbus positive/negative feedback
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10.5 Changing the operation mode
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11. VOLUMETER MEASUREMENT SYSTEM FOR VOLUME FLOW RATE ..................................................................................31
11.1 General description of the system
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11.2 How to calculate volume flow rate from pressure probe
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12. OTHER FEATURES ..................................................................................................................................................................33
12.1 Filter alarm
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12.2 Out of functioning range alarm
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12.3 Flying start (for 3-phase only)
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12.4 Regeneration (for 3-phase only)
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12.5 Skip speed range (for 3-phase only)
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12.6 Soft start
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13. SOA LIMITATIONS .................................................................................................................................................................34
13.1 Speed limitation
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13.2 Power limitation
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13.3
Output current limitation
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13.4
Input current limitation (for 1-phase only)
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14. OTHER VARIABLES ................................................................................................................................................................35
14.1
Bus voltage
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14.2
Motor voltage
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14.3
Enable function
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15. DERATING AND OVERHEATING PROTECTIONS ..................................................................................................................35
15.1
Driver overheating: DERATING
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15.2
Motor overheating: THERMAL PROTECTOR
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16. MASTER & SLAVE MODE ......................................................................................................................................................36
16.1
Master and Slave 0-5V PWM out
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16.2
Master and Slave 0-10V PWM out
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17.
VARIABLE SWITCHING FREQUENCY (for 3-phase - 4 kW only)
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18. COMMUNICATION ................................................................................................................................................................37