How To Connect Control Signals - Danfoss VLT 2000 Series Manual

How to connect control signals

You can connect the control signals in different ways
on the VLT frequency converter.
The control signals can be connected to the two
terminal strips at the top of the enclosure.
Terminal 01-03: Relay output
Terminal 12: Supply to digital inputs
Terminals 18-19: Digital inputs
27-29
Terminal 46: Signal for motor frequency/current
Terminal 50: Supply to 1 kohm potmeter
Terminal 53: Analogue input voltage
Terminal 60: Analogue input current
Terminals 71/72 RS 232 standard
Terminal 20: Digital frame
Terminal 55: Analogue frame
For a description of terminals and how to
program the various parameters, see chapter 4.
Terminal 18/402 Start Latched
start
Terminal 19/403 Reversing Start
reversing function
Terminal 27/404 Motor Quick
coasting stop
Terminal 29/405 Jog Start
(Jog)
For factory setting of terminal function, see page 105.
MG.20.B6.02 – VLT is a registered Danfoss trademark
VLT
Each terminal number is based on the survey on page
42.
The control signals can be connected as follows:
No Speed Speed Reversing
function up select
No Speed Speed Reset
down select
DC Reset and Stop
braking motor coasting
Digital Pulse Pulse
reference 100 Hz 1 kHz
® 2000 Series
Max. 250 V, max. 2 A. Relay: Not activated
24 V DC, max. 140 mA
0-24 V, R = 2 kohm (max. 37 V for 10 sec.)
i
(min. on-time 80 millisec.)
Max. 24 V DC, max. 40 mA, min. 600 ohm
10 V DC, max. 12 mA
+0-10 V DC, R = 10 kohm, +10 - 0 V
i
0/4-20 mA, R = 226 ohm, 20 - 0/4 mA
i
71 RXD, 72 TXD, 20 dig. ref.
Must be used together with all terminals
except for terminals 50, 53 and 60.
Must be used together with
terminals 50, 53 and 60
Reset Motor coasting/
and start start
Reset Speed Speed
and start up select
Pulse Select Reset
10 kHz setup
Reversing Speed
down
43