74 Rockwell Automation Publication 1412-UM001D-EN-P - September 2012
Appendix B Specifications
Voltage Inputs
Current Inputs
Accuracy Specifications (excluding current probes)
Attribute 1412-PP2127
Operating Range Phase-phase - 960V rms ac/DC Phase-neutral - 480V rms
ac/dc
Input Impedance 340 k between phase and neutral
Overload 1.2Vn permanently; 2Vn for 1 sec
(Vn = nominal voltage)
Attribute 1412-PP2127
Operating Range 0…1V
Input Impedance 100 k for current probe circuit and 12.4 k for
AMPFLEX circuit
Overload 1.7V
Table 4 - Accuracy Specifications 1412-PP2127
Function Range Display Resolution Accuracy
Frequency 40 … 69 Hz 0.01 Hz ±0.01 Hz
Single phase RMS voltages (Vrms, Vdem) 15 … 480V 0.1V ±0.5% ± 2 cts
Phase-to-phase RMS voltages (Urms,
Udem)
15 … 960V 0.1V ±0.5% ± 2 cts
DC voltage component 15 … 680V 0.1V ±1 % ± 5 cts
Single phase peak voltages (Vpp, Vpm) 15… 680V 0.1V ±1 % ± 5 cts
Phase-to-phase peak voltages (Upp,
Upm)
15… 1360V 0.1V if I < 1000 V
1 V if I 1000 V
±1 % ± 5 cts
Current probe (Arms, Adem) I nom/1000 … 1.2 I nom 0.1 A if I < 1000 A
1 A if I 1000 A
±0.5% ± 2 cts
AMPFLEX (Arms, Adem) 10 A … 6500 A 0.1 A if I < 1000 A
1 A if I 1000 A
±0.5% ± 1 A
DC current (MR193) 1 A … 140 A 0.1 A if I < 1000 A
1 A if I 1000 A
±(1% + 1 A)
Peak Current (App, Apm) 0 … 1.7 x I nom 0.1 A if I < 1000 A
1 A if I 1000 A
±(1% + 1 A)
Peak Current (AMPFLEX) 10 … 9190 A 0.1 A if I < 1000 A
1 A if I 1000 A
±(1% + 1 A)
Crest Factor (Vcf, Ucf, Acf) 1.00 … 9.99 0.01 ±1 % ± 2 cts
Real Power (W)
Clamp-on and AMPFLEX
Clamp-on
AMPFLEX
0W … 9999 kW
Cos
0.8
Cos
0.2 … < 0.8
Cos
0.5 … < 0.8
4 digits
(10000 cts)
±1 % ± 1 ct
±1.5% ± 10 cts
±1.5% ± 10 cts
Reactive Power (VAR)
Clamp-on and AMPFLEX
Clamp-on
AMPFLEX
0 W … 9999 kW
Sin 0.5
Cos
0.2 … < 0.8
Cos
0.5 … < 0.8
4 digits
(10000 cts)
±1 % ± 1 ct
±1.5% ± 10 cts
±1.5% ± 10 cts
