Lucent Technologies CPS4000 - Control Units; Display Meters; Table 2-O: ES646, ES646 B, ES647, ES648 A, ES648 B, ES648 C, and ES648 BZ Control Unit Specifications; Table 2-P: ES646, ES646 B, ES648 A, ES648 B, ES648 C, and ES648 BZ Display Meter Specifications

Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
2 - 36 Product Description Issue 13 December 2000
Control Units
Display Meters
Table 2-O: ES646, ES646B, ES647, ES648A, ES648B,
ES648C, and ES648BZ Control Unit Specifications
Operating Input Voltage
Range
38 - 60Vdc (ES646, ES646B, ES647)
19 - 60Vdc (ES648A/B/C/BZ)
Input Power 6.0 watts maximum
Plant Voltage Setting Adjustable via encoder on face plate
Alarm Contact Ratings 60Vdc, 0.5 ampere, Form-C
BD Settings
Adjustable from 46 to 56.0 volts in
increments of 0.5V ±0.5V
Operating Temperature -40°C to +65°C
Table 2-P: ES646, ES646B, ES648A, ES648B,
ES648C, and ES648BZ Display Meter Specifications
LCD 3.5 inch backlit
Range 0 to 72 volts (voltmeter)
Range 0 to 450 amperes (ammeter)
Voltage Accuracy ± 1% of reading
Current Accuracy ± 2% of reading ± 1.0 ampere
Voltage Resolution 0.1 volt
Current Resolution
ES646: 0.1 ampere
ES648: 1.0 ampere
Output 2 Current Monitor 1mV per ampere ±1.5%
Datalogger Output Voltage 0 to 6 volts (1 volt per 25 volts)
Datalogger Output Voltage
Accuracy
± 1% of reading
Datalogger Output Current 0 to 9 volts (1 volt per 25 amperes)
Datalogger Output Current
Accuracy for 48V
Application
± 2% of reading ± 1.0 ampere
Note: The ES646 and ES646B control units are being superseded
by ES648A and ES648B control units, respectively.