AEG THYRO-A, Operating Instructions Manual

Page: 49 / 108

49
EN
Setting I
load max.
Potentiometer R203
CURRENT LIMIT
Potentiometer turns 9 * I
load max
/ I
type
(from left stop)
Setting aid, analog output in mA 10mA * I
load max
/ I
type
(Switch S1.10 = „OFF“)
Setting aid, analog output in volts 5V * I
load max
/ I
type
(Switch S1.10 = „ON“)
Analog output: X2.9 (+); X2.5 (ground)
When the limit is reached, the red LEDs flash alternately approx.
once a second. (Same LED display with peak current limiting)
• Set maximum load current at potentiometer R203 CURRENT
LIMIT
Tab. 5 Maximum load current
Example for maximum load value / maximum load current
Thyro-A 3A 400-30 H RLP1 (U
type
= 400V, I
type
= 30A, P
type
= 20.7kW)
- Power control with limit to 15kW
- Current limit to 25A
- Setpoint 4-20mA
P
max
Setting aid
1
st
setting R202: 7.8 * (15kW/20,7kW) 5.65 turns
(from left stop)
Setting aid in mA: 8.66mA * (15kW/20,7kW) 6.25mA
Setting aid in volts: 4.33V * (15kW/20,7kW) 3.13V
I
max
Setting aid
2
nd
setting R203: 9 * (25A/30A) 7.5 turns
(from left stop)
Setting aid in mA: 10mA * (25A/30A) 8.33mA
Setting aid in volts: 5V * (25A/30A) 4.16V
4.3.5 Setting example for maximum load value
at control end / maximum load current