Rockwell Automation 1420 PowerMonitor 500 - Manual (Page 67)

Rockwell Automation Publication 1420-UM001D-EN-P - September 2013
67
Technical Specifications
Appendix B
kWh pulsating 0.001 kWh/kVARh by pulse if the Ct ratio by VT ratio is
7
0.01 kWh/kVARh by pulse if the Ct ratio by VT ratio is
7.1 70.0
0.1 kWh/kVARh by pulse if the Ct ratio by VT ratio is
70.1 700.0
1 kWh/kVARh by pulse if the Ct ratio by VT ratio is
700.1 7000
10 kWh/kVARh by pulse if the Ct ratio by VT ratio is
7001 70.00k
100 kWh/kVARh by pulse if the Ct ratio by VT ratio is >70.01k
max frequency: 16 Hz, according to EN50470-1
Rear position status indicators
On the base Green as power-on
On communication modules Two status indicators: one for TX (green) and one for RX (amber)
Key-pad For variable selection, programming of the instrument working parameters, ‘dmd’, ‘max’, total energy and partial energy
Reset
Table 38 - Display, Status Indicators, and Commands
Attribute Value
Table 39 - Main Functions
Attribute Value
Password Numeric code of max 4 digits; 2 protection levels of the programming data
1st level Password ‘0’, no protection
2nd level Password from 1…9999, all data are protected
System selection
System 3-Ph.n unbalanced load 3-phase (4-wire)
System 3-Ph. unbalanced load 3-phase (3-wire), three currents and 3-phase to phase voltage measurements, or in case of Aaron connection two
currents (with special wiring on screw terminals) and 3-phase to phase voltage measurements
System 3-Ph.1 balanced load 3-phase (3-wire), one current and 3-phase to phase voltage measurements 3-phase (4-wire), one current and 3-phase to
neutral voltage measurements
System 3-Ph.2 balanced load 3-phase (2-wire), one current and 1-phase (L1) to neutral voltage measurement
System 2-Ph 2-phase (3-wire)
System 1-Ph 1-phase (2-wire)
Transformer ratio
VT (PT) 1.0…999.9 / 1000…9999
CT 1.0…999.9 / 1000…9999 (up to 50 kA in case of CT with 5 A secondary current)
Filter
Operating range Selectable from 0…100% of the input display scale
Filtering coefficient Selectable from 1…256
Filter action Measurements, analog signal retransmission, serial communication (fundamental variables: V, A, W and their derived
ones)
Displaying
Number of variables Up to 5 variables per page. See ‘Front view’. 7 different set of variables available (see ‘Display pages’) according to the
application being selected. One page is freely programmable as combination of variables
Backlight The backlight time is programmable from 0 (always on) to 255 minutes
Virtual alarms
Working condition Basic unit (indication only) or with (P) optional digital output modules
No. of alarms Up to 4
Working mode Up alarm and down alarm