Danfoss VLT AutomationDrive FC 300 Design Manual page 82

Selection
Analog Inputs
Number of analog inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
4 4
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.
Figure 4.1 PELV Isolation
Pulse/Encoder Inputs
Programmable pulse/encoder inputs
Terminal number pulse/encoder
Max. frequency at terminal 29, 32, 33
Max. frequency at terminal 29, 32, 33
Min. frequency at terminal 29, 32, 33
Voltage level
Maximum voltage on input
Input resistance, R
Pulse input accuracy (0.1–1 kHz)
Encoder input accuracy (1–11 kHz)
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
1) FC 302 only
2)
Pulse inputs are 29 and 33
3)
Encoder inputs: 32=A, and 33=B
80
Design Guide
i
i
+24V
18
37
Functional
isolation
RS485
i
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
Switch A53 and A54 (D-Frame) S201 and S202 (E & F-Frames)
Switch A53 and A54 (D-Frame) S201 and S202 (E & F-Frames)=OFF (U)
Switch A53 and A54 (D-Frame) S201 and S202 (E & F-Frames)=ON (I)
PELV isolation
Control
High
voltage
see chapter 9.2.2 Digital Inputs - Terminal X30/1-4
Voltage or current
-10 to +10 V (scaleable)
0/4 to 20 mA (scaleable)
Max. error 0.5% of full scale
Mains
Motor
DC-Bus
1)
29
110 kHz (push-pull driven)
5 kHz (open collector)
Max. error: 0.1% of full scale
Max. error: 0.05% of full scale
2
53, 54
approx. 10 kΩ
± 20 V
approx. 200 Ω
30 mA
10 bit (+sign)
100 Hz
2/1
2) 3) 3)
, 33 /32 , 33
4 Hz
28 V DC
approx. 4 kΩ
MG34S222