User manual

GMC-I Gossen-Metrawatt GmbH 7
1.4.2 Electrical Data
Electrical Data, Series 120 W
If not otherwise specified, all entries are maximum values and are valid for an operating temperature range of 0 to 50 °C,
nominal power range and a line voltage range of 230 V ± 10% after a warm-up period of 30 minutes.
1) Typical values are increased by a factor of approximately 1.2 in the functional line voltage input range of –10% to –15%.
Description (abbreviated designation) SLP 120-20 SLP 120-40 SLP 120-80
Type 32 N 20 R 10 32 N 40 R 6 32 N 80 R 3
Nominal Output Data Voltage setting range 0 ... 20 V 0 ... 40 V 0 ... 80 V
Current setting range 0 ... 10 A 0 ... 6 A 0 ... 3 A
Continuous power where Tu ≤ 40 °C max. 120 W max. 120 W max. 120 W
Intermittent power where t < 90 s / Tu ≤ 25 °C max. 200 W max. 240 W max. 240 W
Current derating where Tu > 40 °C – 0.25 A / K – 0.15 A / K – 0.07 A / K
Output Operating Characteristics
Overall setting accuracy at 23 ± 5 °C
with reference to 3½ place setpoint display
including system deviation, load / mains
Voltage
Current
0.2% + 50 mV
0.5% + 45 mA
0.2% + 150 mV
0.5% + 35 mA
0.2% + 250 mV
0.5% + 20 mA
Static system deviation
1)
at 100% load variation
1)
Voltage
Current
15 mV
20 mA
10 mV
10 mA
10 mV
10 mA
Static system deviation
1)
at 10% line voltage variation
1)
Voltage
Current
5 mV
8 mA
5 mV
5 mA
5 mV
5 mA
Residual ripple
1)
Ua > 5% U
nom
Voltage (10 Hz ... 10 MHz)
Current (10 Hz ... 1 MHz)
10 mV
eff
25 mA
eff
10 mV
eff
20 mA
eff
10 mV
eff
10 mA
eff
Common-mode noise (10 Hz ... 1 MHz) 0.5 mA
eff
0.5 mA
eff
0.5 mA
eff
Settling time (voltage)
with sudden load variation of 10 ... 90% I
nom
Tolerance
(Typical values) Δ I = 80%
40 mV
200 μs
80 mV
200 μs
80 mV
200 μs
Under and overshooting with sudden load variation of
50 A / ms
(Typical values) Δ I = 80% 400 mV 400 mV 800 mV
Settling time (voltage)
with setpoint jump: 0 → 100%
with setpoint jump: 100% → 0
Tolerance
no load / nominal load
no load / nominal load
40 mV
1 ms / 1 ms
1 ms / 1 ms
80 mV
1 ms / 1 ms
1 ms / 1 ms
160 mV
4 ms / 4ms
4 ms / 4ms
Settling time (current)
with setpoint jump: 0 → 100%
with setpoint jump: 100% → 0
Tolerance
short-circuit / nominal load
short-circuit / nominal load
100 mA
< 5 ms / < 5 ms
< 5 ms / < 5 ms
60 mA
< 5 ms / < 5 ms
< 5 ms / < 5 ms
30 mA
< 10 ms / < 10 ms
< 10 ms / < 10 ms
Measured Value Displays (3½ place)
Measurement resolution Voltage
Current
10 mV
10 mA
100 mV
10 mA
100 mV
10 mA
Measuring accuracy at 23 ± 5 °C
with reference to the respective measured value
Voltage
Current
0.15% + 25 mV
0.5% + 30 mA
0.2% + 120 mV
0.5% + 25 mA
0.2% + 150 mV
0.5% + 20 mA
Protective Functions
Output overvoltage protection Threshold 25 ± 1 V 50 ± 2 V 100 ± 4 V
Reversed polarity protection – overload capacity Continuous 10 A 6 A 3 A
Reverse flow resistance Continuous 40 V 80 V 100 V
General
Power supply
1)
Line voltage 230 V~ +10 / −15%
47 ... 63 Hz
230 V~ +10 / −15%
47 ... 63 Hz
230 V~ +10 / −15%
47 ... 63 Hz
Power Consumption At nominal load
In standby mode
At max. intermittent power
280 VA, 180 W
45 VA, 15 W
450 VA
280 VA, 150 W
45 VA, 15 W
500 VA
280 VA, 170 W
45 VA, 15 W
500 VA
Efficiency At nominal load > 70% > 80% > 80%
Switching frequency Typical 200 kHz 200 kHz 200 kHz
Article number K220A K221A K222A