Danfoss VLT AQUA Drive FC 202 Design Manual page 50

Selection
Cable lengths and cross sections
Max. motor cable length, screened/armoured
Max. motor cable length, unscreened/unarmoured
Max. cross section to motor, mains, load sharing, and brake *
Maximum cross section to control terminals, rigid wire
3 3
Maximum cross section to control terminals, flexible cable
Maximum cross section to control terminals, cable with enclosed core
Minimum cross section to control terminals
* See 3.1 General Specifications for more information!
Control card, RS-485 serial communication
Terminal number
Terminal number 61
The RS-485 serial communication circuit is functionally seated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Analog inputs
Number of analog inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
Input resistance, R
Max. voltage
Current mode
Current level
Input resistance, R
Max. 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.
Illustration 3.1 PELV Isolation of Analog Inputs
Analog output
Number of programmable analog outputs
Terminal number
Current range at analog output
Max. resistor load to common at analog output
Accuracy on analog output
Resolution on analog output
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
48
VLT
i
i
+24V
18
37
Functional
isolation
RS485
MG20Z102 - VLT
®
AQUA Drive FC 202 Design Guide
PELV isolation
Control
High
voltage
®
is a registered Danfoss trademark
1.5 mm 2 /16 AWG (2 x 0.75 mm
0.5 mm
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
Voltage or current
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
0 to + 10 V (scaleable)
Switch S201/switch S202 = ON (I)
0/4 to 20 mA (scaleable)
Max. error 0.5% of full scale
Mains
Motor
DC-Bus
Max. error: 0.8% of full scale
150 m
300 m
2 )
2
1 mm /18AWG
2
/20AWG
2
0.25 mm
2
53, 54
approx. 10 kΩ
± 20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
200 Hz
1
42
0/4-20 mA
500 Ω
8 bit