UMG 804
www.janitza.com
14
Voltage measurement
The voltage measurement inputs are suitable for measurements in the following power supply systems
Three-phase 4-conductor systems with nominal
voltages up to
480 V AC
Three-phase 3-conductor systems, unearthed,
with nominal voltages up to
277 V AC
From a safety and reliability perspective, the voltage measurement inputs are designed as follows
Overvoltage category
230 V: Cat II
24 V: CAT III
Protection of voltage measurement
Impedance limited plus clamping diodes / MOV
Measurement range L-N
0 .. 277 V AC
Measurement range L-L
0 .. 480 V AC
Resolution
0.01 V AC
Crest factor
1.9 @ 240 V AC
Impedance
2.5 MΩ
Power consumption
<0.1 A @ 277 V AC (< 3 W)
Sampling rate
40 kHz
Frequency range of the fundamental oscillation
- Resolution
40 .. 70 Hz.
Digital inputs
Quantity
2
Digital outputs
Quantity
2
Switching voltage
30 V DC
Switching current
100 mA
Cable lenght
screw in terminal block
Note:
two inputs for dry contacts
Terminal connection capacity (digital inputs and outputs)
Rigid/flexible
22-16 AWG / 0.324-1.31 mm²
Flexible with core end sheath without plastic sleeve
22-16 AWG / 0.324-1.31 mm²
Flexible with core end sheath with plastic sleeve
22-16 AWG / 0.324-1.31 mm²
Tightening torque
5.0 Lb-In / 0.56 Nm
Stripping length
5 mm (0.20 in) recommeded
Current measurement on modules
Rated current
0 .. 600 A (external current transducer dependant)
Resolution
0.01 A
Crest factor
3.75 @ 100 % of 0.333 V signal
Overload for 1 s
200 %
Содержание 14.02.001
Страница 7: ...www janitza com UMG 804 7...
Страница 30: ...UMG 804 www janitza com 30 8 3 Panel Maps Configuration 8 3 1 Top Feed...
Страница 31: ...www janitza com UMG 804 31 PANEL 1 PANEL 2...
Страница 32: ...UMG 804 www janitza com 32 8 3 2 Bottom Feed...
Страница 33: ...www janitza com UMG 804 33 PANEL 1 PANEL 2...
Страница 34: ...UMG 804 www janitza com 34 8 3 3 Single Row Sequential...
Страница 35: ...www janitza com UMG 804 35 PANEL 1 PANEL 2...
Страница 36: ...UMG 804 www janitza com 36 8 3 4 Single Row Odd Even...
Страница 37: ...www janitza com UMG 804 37 PANEL 1 PANEL 2...
Страница 42: ...UMG 804 www janitza com 42...
Страница 63: ...www janitza com UMG 804 63 14 3 6 Busway Data Currently not available...