NORDAC SK 200E Manual
38
Subject to technical alterations BU
0200
GB
2.7.2
Details of the SK 2x5E control connections
Control voltage 24V external! Terminal 44. If the frequency inverter does not have an optional internal mains
unit, it must be provided with an external 24V supply.
Terminal/
Name
Function
[factory setting]
Data
Description / wiring suggestion
Parameter
SK 205E, SK 215E, SK 225E, SK 235E
44
24V
external 24V supply
18VDC ... 30VDC -/+0%
200mA ... 800mA
according to the FI load,
the inputs and outputs and
equipment with options
External supply voltage for the FI
control unit and the DO1 output
For SK 225/235E and use of the
AS-I (yellow cable), the SK 200E is
supplied from the AS-I
-
40 GND
Reference potential
for digital signals
-
21
DIN1
digital input 1
[ON right]
Digital input as per EN
61131-2, Type 1
low: 0-5V
(~ 9.5k
Ω
)
high: 15-30V
(~
2.5-3.5k
Ω
)
Input capacitance:
Input 1 + 4 = 10nF
Input 2 + 3 = 1.2nF
Scanning time: 1ms
Reaction time:
≥
4ms
40
44
24
23
22
21
GND
24V
Inputs 1 + 4 react normally
Inputs 2 + 3 react quickly
P420 [01]
22
DIN2
digital input 2
[ON left]
P420 [02]
23
DIN3
digital input 3
[parameter set bit0]
P420 [03]
24
DIN4
digital input 4
[fixed frequency 1,
P429]
P420 [04]
1 DO1
Output
1
[no function]
digital output
18-30V, each to VI 24V
max. 200mA
max. 100k
load
For evaluation in a control system.
With SK 225/235E and the use of
the AS-I (yellow cable), DO1 must
not be loaded, as the load on As-I
may be too high.
P434
38
TF+
PTC resistor input
-
For monitoring the motor
temperature by PTC.
For separate mounting of the motor
and the FI (cable length), shielded
cable must be used.
-
39
TF-
PTC resistor input
77 SYS+
System
bus
Up to four SK 200E can
be operated on a system
bus.
Address = 32 / 34 / 36 / 38
Internal FI system bus for
communication with optional
modules and other frequency
inverters.
Further details in Bus Manual BU
0250.
P509/510
P514/515
78 SYS-
System bus
