NORDAC SK 5xxE Manual
94
Subject to technical alterations
BU 0500 GB
List of the possible functions of the digital inputs P420 ... P425, P470
Value
Function
Description
Signal
00
No function
Input switched off.
---
01
Enabled right
The FI delivers an output signal with the rotation field right if a
positive setpoint is present. 0
→
1 Flank (P428 = 0)
High
02
Enabled left
The FI delivers an output signal with the rotation field left if a
positive setpoint is present. 0
→
1 Flank (P428 = 0)
High
If the drive is to start up automatically when the mains is switched on (P428 = 1) a permanent High level for
enabling must be provided (connect control terminals 21-42).
If the functions "Enabled right" and "Enabled left" are actuated simultaneously, the FI is blocked.
03
Change rotation direction
Causes the rotation field to change direction, combined with
Enable right or left.
High
04
Fixed frequency 1
1
The frequency from P429 is added to the actual setpoint value.
High
05
Fixed frequency 2
1
The frequency from P430 is added to the actual setpoint value.
High
06
Fixed frequency 3
1
The frequency from P431 is added to the actual setpoint value.
High
07
Fixed frequency 4
1
The frequency from P432 is added to the actual setpoint value.
High
If several fixed frequencies are actuated at the same time, then they are added with the correct sign. In addition,
the analog setpoint (P400) and possibly the minimum frequency (P104) are added.
08
Parameter set switch Bit 0
Selection of the active parameter set 1…4 (P100)
High
09
Hold frequency
During the acceleration or braking phase, a low level will
cause the actual output frequency to be "held". A high level
allows the ramp to proceed.
Low
10
Voltage block
2
The FI output voltage is switched off; the motor runs down
freely.
Low
11
Quick stop
2
The FI reduces the frequency according to the programmed
quick stop time (P426).
Low
12
Error acknowledgement
2
Error acknowledgement with an external signal. If this function
is not programmed, an error can also be acknowledged by a
low enable setting (P506).
0
Æ
1
Flank
13
Thermistor input
2
Analog evaluation of signal present. Switching threshold at
approx. 2.5 V Switch-off delay = 2sec, warning after 1sec.
NOTE:
Function 13 can only be used via DIN 5, terminal 25!
level
14
Remote control
2
With Bus system control, low level switches the control to
control via control terminals.
High
15
Jog frequency
1
The fixed frequency value can be adjusted using the
HIGHER/LOWER and ENTER keys (P113), if control is via
the ControlBox or ParameterBox.
High
16
Maintain frequency "Motorpoti"
As for setting
09
, however, below the minimum frequency
P104 and above the maximum frequency P105 the frequency
is not maintained.
Low
17
Parameter set switch Bit 1
Selection of the active parameter set 1…4 (P100)
High
18
Watchdog
2
Input must see a high flank cyclically (P460); otherwise error
E012 will cause a shutdown. Function starts with the 1st high
flank.
0
Æ
1
Flank
19
Setpoint 1 on/off
20
Setpoint 2 on/off
Analog input switch-on and switch-off 1/2 (high = ON) The low
signal sets the analog input to 0% which does not lead to
shutdown when the minimum frequency (P104) > than the
absolute minimum frequency (P505).
High
21
Fixed frequency 5
1
The frequency from P433 is added to the actual setpoint
value.
High
... continued on the next page
