Voltage level, logic 0 PNP
<5 V DC
Voltage level, logic 1 PNP
>10 V DC
Voltage level, logic 0 NPN
>19 V DC
Voltage level, logic 1 NPN
<14 V DC
Maximum voltage on input
28 V DC
Input resistance, R
i
Approximately 4000 Ω
Maximum pulse frequency at terminal 33
5000 Hz
Minimum pulse frequency at terminal 33
20 Hz
8.6 Analog Inputs
Number of analog inputs
2
Terminal number
53, 60
Voltage mode (terminal 53)
Switch S200=OFF(U)
Current mode (terminal 53 and 60)
Switch S200=ON(I)
Voltage level
0–10 V
Input resistance, R
i
Approximately 10000 Ω
Maximum voltage
20 V
Current level
0/4–20 mA (scalable)
Input resistance, R
i
Approximately 200 Ω
Maximum current
30 mA
8.7 Analog Outputs
Number of programmable analog outputs
1
Terminal number
42
Current range at analog output
0/4–20 mA
Maximum load to common at analog output
500 Ω
Maximum voltage at analog output
17 V
Accuracy on analog output
Maximum error: 0.8% of full scale
Scan interval
4 ms
Resolution on analog output
8 bit
8.8 Control Card, RS485 Serial Communication
Terminal number
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number
61 common for terminals 68 and 69
8.9 Control Card, 24 V DC Output
Terminal number
12
Maximum load (M1 and M2)
100 mA
Maximum load (M3)
50 mA
Maximum load (M4 and M5)
80 mA
8.10 Relay Output
Programmable relay output
1
Relay 01 terminal number
01–03 (break), 01–02 (make)
Maximum terminal load (AC-1)
(1)
on 01–02 (NO) (Resistive load)
250 V AC, 2 A
Maximum terminal load (AC-15)
(1)
on 01–02 (NO) (Inductive load
@ cosφ 0.4)
250 V AC, 0.2 A
AQ348848915086en-000101 / 130R0943
30 | Danfoss A/S © 2020.09
General Technical Data
VLT® Micro Drive FC 51
Operating Guide