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II K 3-7
Technical data
3.5
Control Board SDCS-CON-3A
Control functions
(Watchdog)
The control board has an internal watchdog. The
watchdog trip has the following effects:
- Thyristor firing control is reset and disabled.
- Digital outputs are forced to '0 V'.
Fig. 3.5/1
Layout of the control board SDCS-CON-3A
Fig. 3.5/2
Seven segment display of the SDCS-CON-3A
Seven segment display
A seven segment display is located on the control
board and it shows the state of drive.
If +5 V drops under the tripping level, it causes a
master reset by hardware. All I/O registers are forced
to 0 and the firing pulses are suppressed.
If mains monitor trips, firing pulses are forced to
inverter stability limit.
Supply voltage monitoring
Supply voltage
+5 V
Mains
Undervoltage tripping level +4.50 V
£
97 VAC
Serial interfaces
The control board SDCS-CON-3A has three serial
communication channels:
•
X7:
is a serial communication channel which is
used for
-
DCS 400 PAN
-
Adapter (3AFE 10035368)
•
X6:
is a standard RS232 serial communication
channel. It is a 9-pin D-Sub female connector
•
V800
is an integrated channel and can be used
for Fieldbus Adapter by using optical fibre
1
2
1
2
3
10
11
12
1
3
4
2
X1
X2
X3
X4
X5
X8
S4
S2
S1
5
6
R115
X6
S5
X7
X1
2
X1
3
4 1
9 1
8 1
10 1
5
1
2
233.5
19
0
6
6
6
5
6
5
6
1
2
3
11
12
10
1
2
3
11
12
10
1
2
3
11
12
10
1
2
3
11
12
10
5 V
24 V
5 V
24 V
1
3
4
2
1
3
4
2
6
RS232
DDCS
V800
S5:5-6 int.Micro-controller Flash Prom
S5:1-2 Boot Mode
+10V
S1:
-
+
22 K
4
X2:3
5 6
PTC
5
GND
1
5
6
2
1
2
1
2
1
2
7
8
1
2
7
8
-XPSHUFRGLQJ
default value
AI2 used for temp.
measurement via PTC
single ended:
Tacho and PTC
All supports are conductive
connected to GND
differential:
Pulse encoder
Tacho signal
connected to GND
AI2 as ref input
Firmware download via RS232
Note: change Jumper position only if electronics is switched off
Firmware download
Normal operation
For firmware download via RS232
S5:1-2 and 5-6 have to be jumpered
Meas. point
I
A act
'RQRWFKDQJH
MXPSHUVHWWLQJRI6
*
Tacho signal not
connected to GND
(park position only)
-
-
-
+
4
2
3
X1:1
GND
1
S1
T
-
+
2
3 4
0.7s 0.7s 0.7s
RAM/ROM memory test error
Normal situation
Program is not running
Alarm
Fault
Содержание DCS 400
Страница 1: ...II K 1 1 DCS Thyristor power converter for DC drive systems 20 to 1000 A 9 to 522 kW Manual DCS 400 ...
Страница 24: ...II K 3 14 Technical data ...
Страница 29: ...II K 4 5 Overview of Software ...
Страница 158: ...II K 6 36 Operating Instructions ...
Страница 181: ...II K B 1 Appendix B Declaration of conformity ...
Страница 190: ...Notices ...
Страница 191: ...Notices ...