Campbell-scientific CS11-L Current Transformer Manuale Utente

CS11-L Current Transformer12/13 Copyright © 2001-2013Campbell Scientific, Inc.

CS11-L Current Transformer 'CR1000 Series Datalogger ' CS11-L_with_ACPower_AmpsOnly.CR1 'date: June 24, 2013 ' ' Wiring: &apo

CS11-L Current Transformer Working with live electrical equipment is dangerous! The user is responsible for ensuring all wiring conforms to local saf

CS11-L Current Transformer Option Description 2 Split-phase with one voltage measurement and two current measurements. This configuration is typical

CS11-L Current Transformer Option Description 3 Three-phase ‘Y’, four-conductor, configurations with three voltage measurements and three current mea

CS11-L Current Transformer MaxVrms The MaxVrms parameter is the expected maximum rms (root mean square) voltage to measure. MaxVrms is specified at

CS11-L Current Transformer Current(RepsI). The measured current in amps rms, repeated to give RepsI values. VPhaseI(RepsI). The measured phase ang

CS11-L Current Transformer Current(3). The measured current in Amps rms for each of the three line conductors. VphaseI(3). The measured phase angl

CS11-L Current Transformer TABLE 6-1. Max Amps on Each of the Range Codes in the Datalogger (one pass only). Datalogger >>> Range Codes (m

CS11-L Current Transformer Below is an example CR1000 program. In the program, a multiplier of 0.2 is applied to the rms value; see Appendix A.4, Mul

CS11-L Current Transformer samples 25 times, and the second CR200X example program has a loop that samples 30 times. A 25-sample loop produces almost

CS11-L Current Transformer EndIf CallTable Amp NextScan EndProg 6.2.2 CR200(X) Program for 50 Hz 'CR200 Series Datalogger ' Program n

CS11-L Current Transformer Six Cycles at 60 Hz Burst CR10X I Instanteneous FIGURE 6-2. Graph of CS11-L waveform using burst mode The following CR10X

CS11-L Current Transformer 3: Beginning of Loop (P87) 1: 0 Delay 2: 50 Loop Count 4: Z=Z+1 (P32) 1: 1 Z Loc [ Counter ] 5:

CS11-L Current Transformer The instructions listed below do not store data in final storage. P92, P77, and output processing instructions such as P7

CS11-L Current Transformer 6.5 CR1000 with Multiplexer Sample Program This program uses the CR1000 and an AM16/32-series multiplexer to read 32 CS11-

CS11-L Current Transformer 6.6.1 Example CR10X program reading 32 CS11-L Current Transformers ;{CR10X} ; Example program for CS11-L ; ; Program to te

CS11-L Current Transformer 10: Do (P86) 1: 3 Call Subroutine 3 11: Z=X (P31) 1: 3 X Loc [ Burst_A2 ] 2: 5 -- Z Loc [ CS11

CS11-L Current Transformer 10: 71 Loc [ Amps_1 ] 11: .2 Multiplier 12: 0.0 Offset 3: Burst Measurement (P23) 1: 1 Inp

CS11-L Current Transformer 22 15: Z=F x 10^n (P30) 1: 0.0 F 2: 00 n, Exponent of 10 3: 1 Z Loc [ Counter ] 16: Beginning

Appendix A. Theory of Operation A.1 Typical Electrical Circuit An example of a typical electrical circuit is a generator that provides energy in th

Warranty “PRODUCTS MANUFACTURED BY CAMPBELL SCIENTIFIC, INC. are warranted by Campbell Scientific, Inc. (“Campbell”) to be free from defects in materi

Appendix A. Theory of Operation CS11-LWire added duringinstallationInternal shape ofthe transformer FIGURE A-3. Schematic of current transformer wi

Appendix A. Theory of Operation The formula for a transformer is as follows (Equation A): i1 • n1 = i2 • n2 Equation A Where i = amps and n = number

Appendix A. Theory of Operation The CS11-L contains a 10-ohm burden (shunt) resistor (R=10 ohm). Therefore, E is: E = 0.01 amps • 10 ohms = 0.1 vo

Appendix A. Theory of Operation 12 3456 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 250-20-40-60-8020406080SamplesmV12 3456 7 8 9 10 11 12 13

Appendix A. Theory of Operation FIGURE A-10. CS11-L with a wire making two passes through the sensor A-6

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Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

Table of Contents ii Figures 1-1. CS11-L Current Transformer ... 1 3-1. AC load wire inst

CS11-L Current Transformer 1. General Description Campbell Scientific’s CS11-L (FIGURE 1-1) detects and measures the AC current along an electrical

CS11-L Current Transformer Measurement Ranges: 0.15 to 200 A (0.15 to 125 A for CR200X) Frequency: 50 and 60 Hz Insulation Resistance: 100 M ohm @

CS11-L Current Transformer 4. Wiring The CS11-L uses a single-ended analog channel as follows: Wire Color Terminal RED or AG (VX on CR200X) WHITE