Allen-Bradley 1420-V1, User Manual, Page: 70 / 90

70 Rockwell Automation Publication 1420-UM001E-EN-P - March 2016
Appendix B Technical Specifications
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
Controlled variables The alarms can be connected to any instantaneous variable. See List of Connectable Variables on page 72
Set-point adjustment From 0…100% of the display scale
Hysteresis From 0 to full scale
On-time delay 0…9999 s
Response time, min
≤
200 ms, filters excluded. Set-point on-time delay: ‘0 s’
Reset By using the front keypad. It is possible to reset the following data:
• All max and dmd values
• Total energy (kWh, kVARh)
• Partial energy (kWh, kVARh)
Clock
Functions Universal clock and calendar
Time format Hour: minutes: seconds with selectable 24 hours or AM/PM format
Date format Day-month-year with selectable DD-MM-YY or MM-DD-YY format
Battery life Ten years
Easy connection function For all display selections, both energy and power measurements are independent from the current direction. The
displayed energy is always ‘imported’
Table 41 - Main Functions
Attribute Value
Table 42 - General Specifications
Attribute Value
Temperature, operating -25…40 °C (-13…104 °F) (R.H. from 0…90% noncondensing at 40 °C) according to EN62053-21, EN50470-1 and
EN62053- 23
Temperature, storage -30…70 °C (-22…158 °F) (R.H. < 90% noncondensing @ 40 °C) according to EN62053-21, EN50470-1 and EN62053- 23
Installation category Cat. III (IEC60664, EN60664)
Insulation See Table 44 Isolation Between Inputs and Outputs (1 minute)
Dielectric strength 4 kV AC rms for 1 minute
Noise rejection CMRR 100 dB, 48…62 Hz
EMC According to EN62052-11
Electrostatic discharge 15 kV air discharge
Immunity to radiated electromagnetic fields Test with current: 10V/m from 80…2000 MHz
Test without any current: 30V/m from 80…2000 MHz
Burst On current and voltage measuring inputs circuit: 4 kV
Immunity to conducted disturbances 10V/m from 150 KHz…80 MHz
Surge On current and voltage measuring inputs circuit: 4 kV; on ‘L’ auxiliary power supply input: 1 kV
Radio frequency suppression According to CISPR 22
Standard compliance
Safety IEC60664, IEC61010-1 EN60664, EN61010-1
Metrology EN62052-11, EN62053-21, EN62053-23, EN50470-3. MID ‘annex MI-003’