JUMO 709040 TYA-110 thyristor power unit Operating Manual - Manual (Page 51)

Power units 02.06 51
7 Technical data
7.1 Load circuit
7.2 Control
7.3 General data
Nominal load voltage 24V-20%/+15% AC 45 — 63Hz
42V-20%/+15% AC 45 — 63Hz
115V-20%/+15% AC 45 — 63Hz
230V-20%/+15% AC 45 — 63Hz
265V-20%/+15% AC 45 — 63Hz
400V-20%/+15% AC 45 — 63Hz
460V-20%/+15% AC 45 — 63Hz
500V-20%/+15% AC 45 — 63Hz
(supply voltage for control electronics = nominal load voltage)
Continuous load
current I
L
25A, 50A, 75A, 100A, 150A, 250A
Load types resistive and resistive-inductive loads (B
≤ 1.2 Tesla)
Current limiting With phase-angle control, the load current can be adjusted over the range
10 — 100% I
N
by a trimmer on the front panel.
The limiting is based on the rms value of the load current.
Fusing super-fast semiconductor fuse
TSE circuit RC network as standard
Power loss
≈ 1.3V x I
L
(A)
Control accuracy Supply voltage fluctuations within the tolerance range (-20%/+15%)
are accurately compensated.
Fluctuations
≤ 0.5%.
Control signal 0 (4) — 20mA R
I
= 50 Ω
0 (2) — 10V R
I
= 25k
Ω
0 (1) — 5V R
I
= 12k
Ω
0/10V (0/5V) R
I
= 12k
Ω
0/20mA R
I
= 50
Ω
floating contact
or
manual control by an external 5 k
Ω potentiometer
Input signal
attenuation adjustment range 100 — 20%
Circuit variants - single-phase operation
- star circuit with accessible star point
- open delta circuit
- economy circuit using master-slave principle and subsidiary V
2
control
in burst-firing operation
- free-running economy circuit (star or delta) only with subsidiary P control
in burst-firing operation
Operating modes - phase-angle control for resistive and transformer loads, with soft start
(with current limiting for extra codes TR, TO)
- burst-firing operation for resistive or transformer load
Features Two single-phase units can be linked to form an economy circuit for burst-firing
operation.
-
free-running economy circuit for resistive loads
- master-slave economy circuit for resistive and transformer loads
Subsidiary control
types V 2 control as standard.
With extra code TR or TO: free choice of V 2 , P, I 2 control via internal switches.