Danfoss VLT FC 102 Series Design Manual page 179

General Specifications and ...
Digital inputs
Programmable digital inputs
Terminal number
Logic
Voltage level
Voltage level, logic'0' PNP
Voltage level, logic'1' PNP
Voltage level, logic '0' NPN
Voltage level, logic '1' NPN
Maximum voltage on input
Input resistance, R
i
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminals 27 and 29 can also be programmed as output.
Analog inputs
Number of analog 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 analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Figure 9.1 PELV Isolation of Analog Inputs
MG11BC22
Design Guide
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
Danfoss A/S © Rev. 06/2014 All rights reserved.
18, 19, 27
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
4 (6)
1) 1)
, 29 , 32, 33,
PNP or NPN
0–24 V DC
<5 V DC
>10 V DC
>19 V DC
<14 V DC
28 V DC
approx. 4 kΩ
2
53, 54
approx. 10 kΩ
9 9
±20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
200 Hz
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