Iwatsu SS-500 Series Instruction Manual page 82

Specifications of Functionality
Overload detection
Specifications of lighting up / blinking LEDs
76
• Typical sampling frequency: 7.8125 kHz
• Typical checking cycle: 500 ms
Breakdown
Typical sampling period: 400 ms
Typical computing-and-judging period:
100 ms
(1) Excess of rated current level
When the input current exceeds the following
level, the OVERLOAD
30 A range: 32.5 ±2.5 A rms
5 A range: 5.25 ±0.25 A rms
0.5 A range: 0.525 ±0.025 A rms
(For all the ranges, the target currents are of
DC and sine wave with frequencies of 45 Hz
to 66 Hz)
(2) Excess of specified temperature
Detects an internal temperature anomaly and
issues an alert by blinking all of the LEDs
except the POWER
Typical specified-temperature: 80°C
Typical hysteresis: 10°C
Recovery means: Press any key. Then,
See "1.4 Specifications of Lighting Up / Blinking
LEDs" (p. 2 2).
LED blinks rapidly.
LED.
the device requires
demagnetization and
automatic zero-adjustment.