Digital Inputs; Pulse/Encoder Inputs; Control Characteristics - Danfoss VLT FC 103 Operating

VLT® Refrigeration Drive FC 103
Operating Guide

10.6.6 Digital Inputs

Programmable digital inputs
Terminal number
(1)
Logic
Voltage level
Voltage level, logic 0 PNP
Voltage level, logic 1 PNP
Voltage level, logic 0 NPN
(2)
Voltage level, logic 1 NPN
(2)
Maximum voltage on input
Pulse frequency range
(Duty cycle) minimum pulse width
Input resistance, R
i
Terminals XD2.14 and XD2.15 can also be programmed as output.
1
Except STO input terminal XD2.19.
2
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.

10.6.7 Pulse/Encoder Inputs

Programmable pulse/encoder inputs
Terminal number (pulse inputs)
Terminal number (encoder inputs)
Maximum frequency at terminals XD2.15, XD2.16, XD2.17 (push-
pull driven)
Maximum frequency at terminals XD2.15, XD2.16, XD2.17 (open
collector)
Maximum frequency at terminals XD2.15, XD2.16, XD2.17
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy (0.1–1 kHz)
Encoder input accuracy (1–11 kHz)
Encoder inputs: XD2.16=A, XD2.17=B.
2
The pulse and encoder inputs (terminals XD2.15, XD2.16, XD2.17) are galvanically isolated from the supply voltage (PELV) and other
high-voltage terminals.

10.6.8 Control Characteristics

Resolution of output frequency at 0–590 Hz
Repeat accuracy of precise start/stop (terminals XD2.12, XD2.13)
System response time (terminals XD2.12, XD2.13, XD2.14, XD2.15,
XD2.16, XD2.17)
Speed control range (open loop)
Speed control range (closed loop)
Speed accuracy (open loop)
Speed accuracy (closed loop), depending on resolution of feed-
back device
Torque control accuracy (speed feedback)
150 | Danfoss A/S © 2020.09
(2)
XD2.12, XD2.13, XD2.14, XD2.15, XD2.16, XD2.17
Approximately 4 kΩ
See Control Input/Output and Control Data.
Approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.05% of full scale
1:100 of synchronous speed
1:1000 of synchronous speed
30–4000 RPM: Error ±8 RPM
0–6000 RPM: Error ±0.15 RPM
Maximum error ±5% of rated torque
AQ357954340588en-000201 / 130R0881
Specifications
4 (6)
PNP or NPN
0–24 V DC
<5 V DC
>10 V DC
>19 V DC
<14 V DC
28 V DC
0–110 kHz
4.5 ms
2/1
XD2.17
XD2.16, XD2.17
110 kHz
5 kHz
4 kHz
28 V DC
±0.003 Hz
≤±0.1 ms
≤2 ms