Danfoss VLT AQUA Drive FC 202 Design Manual page 183

General Specifications and ...
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
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 chapter 8.1 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).
Analogue inputs
Number of analogue inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
Input resistance, R
i
Max. voltage
Current mode
Current level
Input resistance, R
i
Max. current
Resolution for analog inputs
Accuracy of analog inputs
Bandwidth
The analogue inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Illustration 8.1 PELV Isolation of Analogue Inputs
Analogue output
Number of programmable analogue outputs
Terminal number
Current range at analogue output
Max. resistor load to common at analogue output
Accuracy on analogue output
Resolution on analogue output
The analogue output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
MG20Z202
Design Guide
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
Danfoss A/S © Rev. 06/2014 All rights reserved.
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
8 8
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
181