Danfoss VLT AutomationDrive FC 300 Design Manual page 74

Selection
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.
4 4
Illustration 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
Analog Output
Number of programmable analog outputs
Terminal number
Current range at analog output
Max. load GND - 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.
Control Card, RS-485 Serial Communication
Terminal number
Terminal number 61
The RS-485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Digital Output
Programmable digital/pulse outputs
Terminal number
Voltage level at digital/frequency output
Max. output current (sink or source)
Max. load at frequency output
72
VLT
+24V
18
37
Functional
isolation
RS485
i
®
AutomationDrive FC 300 Design Guide 90-1200 kW
PELV isolation
Control
High
voltage
MG34S202 - Rev. 2013-08-19
Max. error 0.5% of full scale
Mains
Motor
DC-Bus
1)
29
110 kHz (Push-pull driven)
5 kHz (open collector)
see 9.2.2 Digital Inputs - Terminal X30/1-4
Max. error: 0.1% of full scale
Max. error: 0.05 % of full scale
Max. error: 0.5% of full scale
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
30 mA
10 bit (+sign)
100 Hz
2/1
2) 3) 3)
, 33 /32 , 33
4 Hz
28 V DC
approx. 4 kΩ
1
42
0/4-20 mA
500 Ω
12 bit
2
1)
27, 29
0-24 V
40 mA
1 kΩ