Control Card, Rs485 Serial Communication; Control Card Performance; Filter Specifications; Passive Harmonic Filter Specifications - Danfoss VLT FC 103 Operating

VLT® Refrigeration Drive FC 103
Operating Guide
Maximum voltage
Current mode
Current level
Input resistance, R
i
Maximum current
Resolution for analog inputs
Accuracy of analog inputs
Bandwidth
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
+24 V
Control
18
37
Functional
isolation
RS485
Illustration 69: PELV Isolation

10.6.12 Control Card, RS485 Serial Communication

Terminal number
Terminal number XD2.1
The RS485 serial communication circuit is galvanically isolated from the supply voltage (PELV).

10.6.13 Control Card Performance

Scan interval

10.7 Filter Specifications

10.7.1 Passive Harmonic Filter Specifications

Phase imbalance
Voltage variation
Nominal frequency
Overload capability
Maximum inrush current, drive side
Maximum inrush current, PHF input side
Power derating
Table 100: Displacement Power Factor (Cos Phi)
Load [%] Automatic capacitor control [p.u.]
10 1.000
25 -0.830
50 -0.996
152 | Danfoss A/S © 2020.09
PELV isolation
Mains
High
Motor
voltage
DC-bus
Capacitor always connected [p.u.]
(1)(2)
-0.790
-0.830
-0.996
Switch S201/S202 = ON (I)
0/4 to 20 mA (scaleable)
Maximum error 0.5% of full scale
XD2.2 (P,TX+, RX+), XD2.3 (N,TX-, RX-)
Common for terminals XD2.2 and XD2.3
-2%, +2% (of 50 Hz or 60 Hz) when PHF is installed
150% for 60 s in a period of 10 minutes
Capacitor always open [p.u.]
(1)
1.000
0.990
0.950
AQ357954340588en-000201 / 130R0881
Specifications
±20 V
Approximately 200 Ω
30 mA
10 bit (+ sign)
100 Hz
1 ms
Maximum of 3%
+10%–15%
Maximum 5xI
nom drive
Maximum 2xI
nom drive
Same as drive
(1)