6.- TECHNICAL FEATURES
AC power supply
Rated voltage
Computer SMART III 6 Computer SMART III 12 Computer SMART III 14
100 ... 520 V ~ 100 ... 520 V ~ 100 ... 400 V ~
Frequency 50 ... 60 Hz
Consumption maximum
Computer SMART III 6 Computer SMART III 12 Computer SMART III 14
10 ... 16 VA 13 ... 20 VA 14 ... 18 VA
Installation category CAT III 300 V
Voltage measurement circuit
Rated voltage (Un) 230 V Ph-N, 400 V Ph-Ph
Voltage measurement margin 20 ... 300 V Ph-N, 35 ... 520 V Ph-Ph
Frequency measurement margin 45 ... 65 Hz
Input impedance 660 kΩ
Minimum measurement voltage (Vstart) 20 V Ph-N, 35 V Ph-Ph
Installation category CAT III 300 V
Current measurement circuit
Nominal current (In) .../5 A or .../1 A
Current measurement margin 1 ...120 % In
Minimum measurement current (Istart) 50 mA
Leakage current measurement circuit
By means of an earth leakage transformer with a ratio of 500 turns
Nominal current of the secondary 3 mA
Current measurement margin 10 mA ... 1.5 A
Minimum measurement current (Istart) 10 mA
Measurement accuracy (UNE-EN 61557-12)
Voltage measurement 0.5 % ± 1 digit
Current measurement 0.5 % ± 1 digit
Active power measurement 0.5% ± 2 digits
Reactive power measurement 1% ± 2 digits
Active energy measurement Class 1
Reactive energy measurement Class 2
Pulse outputs
Quantity 2
Type NPN
Maximum voltage 24 V
Maximum current 50 mA
Relay outputs
Model Computer SMART III 6 Computer SMART III 12 Computer SMART III 14
Quantity
8 (6 outputs, 1 fan, 1
alarm)
14 (12 outputs, 1 fan, 1
alarm)
16 (14 outputs, 1 fan, 1
alarm)
Maximum voltage, open
contacts
1 kV
Maximum current 1 A
Maximum switching power
2500 VA
106
Computer SMART III
Instruction Manual