Download CD3200 Thyristor Unit

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CD3200 from 125A to 700A
User’s Manual
7.5 Diagram of control connection
Caution: this procedure must be performed only by qualified persons.
L1
L1
L2
L2
*
1
L1
*
1
2
2
3
Reset
- +
- +
8
POT 10K
7
0-10Vdc
6
4-20mA
Fan Power
Supply
5
Input:
4
9
10
11
8Vdc
12
13
+ Digital Input
- 24Vdc
15
16
17
18
19
T1
20
NC
COM
NO
+ -
14
External Current
Limit Profiling
0-10Vdc
H.B.
Contact
TO LOAD
NOTE:
•
* The user installation must be protecting by electromagnetic circuit breaker or by fuse isolator.
•
*² The auxiliary voltage supply of the CD3200 unit must be synchronized with load voltage power
supply. If the Auxiliary Voltage (written on the identification label) is different from Supply Voltage
(to the load), use an external transformer as designated.
•
To work, the Reset Contact on terminal 7 and 8 must be closed.
Load Type
L2
T1
Resistances and
Infrared Lamps
L2
T1
Variable Resistances
Super kanthal or Silicon carbide
elements
21
L2
T1
Transformers and
Inductances