CSLA1CD Honeywell, CSLA1CD Datasheet

Board Mount Current Sensors 57A Bottom Mnt. AC or DC current

CSLA1CD

Manufacturer Part Number

CSLA1CD

Description

Board Mount Current Sensors 57A Bottom Mnt. AC or DC current

Manufacturer

Honeywell

Type

Inductive Analog Current Sensorr

Datasheet

1.CSLA1CD.pdf (4 pages)

Specifications of CSLA1CD

Current Rating

57 A

Sensor/transducer Type

Open Loop

Supply Voltage

8 VDC to 16 VDC

Response Time

3 us

Operating Temperature

- 25 C to + 85 C

Brand/series

CSLA

Function

Current

Length

1.35 in. (Max.)

Length, Lead

0.06 in. (Max.)

Mounting Type

PCB

Output

Current

Primary Type

Current

Range, Measurement

57 A

Sensing Mode

LOHET

Technology

Inductive

Termination

3-Wire Connector

Voltage, Supply

16 VDC

Width

0.41 in. (Max.)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Solid State Sensors

Current Sensors

OPERATION

MICRO SWITCH CS series solid state cur-

rent sensors monitor either alternating

(AC) or direct (DC) current. This series

includes a wide assortment of devices

ranging from digital output current detec-

tors capable of sensing a few hundred

milliamps to linear sensors capable of

monitoring over one thousand amps. The

entire family of CS current sensors pro-

vides a means of accurate low-cost cur-

rent sensing.

Current sensors monitor current flow.

Digital sensors produce a digital output

signal. Linear sensors produce an analog

output signal. When these signals have

reached a predetermined level, the con-

trol system logic is instructed to perform a

function. The digital signal with its logic

level output may sound an alarm, start a

motor, open a valve, or shut down a

pump. The linear signal duplicates the

waveform of the current being sensed

and is ideal for use as a feedback element

to control a motor or regulate the amount

of work being done by a machine.

Some CS current sensors utilize a

through-hole design. This feature insures

that there will not be any DC insertion loss

in the conductor. In addition, the through-

hole design simplifies installation by elim-

inating the need for direct connection,

which minimizes energy dissipation, and

provides output isolation at no extra cost.

MICRO SWITCH CS through-hole current

sensors cannot be damaged by overcur-

rent.

Current sensing is accomplished by mea-

suring the magnetic field surrounding a

current-carrying conductor. The conduc-

tor is passed through the flux collector

which concentrates the magnetic field at

the sensing element. The magnetic field

is directly proportional to the current

passing through the conductor. Thus,

there is a direct relationship between the

output voltage of the current sensor and

Honeywell Sensing and Control 1-800-537-6945 USA

FEATURES

the level of input current. The waveform of

this output voltage will track the waveform

of the measured current. The through-

hole design electrically isolates the sen-

sor and insures that it will not be damaged

by overcurrent or high voltage transients.

LINEAR CURRENT SENSORS

MICRO SWITCH CSL series linear current

sensors incorporate our 91SS12-2 and

SS94A1 linear output Hall effect transduc-

er (LOHET

sembled in a printed circuit board mount-

able housing. This housing is available in

four configurations (as shown in mount-

ing dimension Figures 1, 1a, 2, and 2a on

page 59). Normal mounting is with 0.375

inch long 4-40 screw and square nut (not

provided) inserted in the housing. The

combination of the sensor, flux collector,

and housing comprises the holder

assembly.

When sensing zero current the output

voltage of the current sensor is approxi-

mately equal to one half of the supply

voltage (Voffset – 0.5 Vcc). CS series lin-

ear current sensors will sense current in

both directions. Current flow in one direc-

tion will cause the output voltage to in-

crease from its offset value. Current flow

in the opposite direction will cause the

output voltage to decrease from its offset

value. The output voltage range is from

25% of the supply voltage to 75% of the

supply voltage (0.25 Vcc

Vcc).

While sensing either AC or DC current,

the linear output voltage will track the

waveform of the sensed current.

The output of these devices can be ad-

justed by varying the supply voltage, var-

ying the gap cut in the flux collector, or

increasing the number of turns of the con-

ductor passing through the center of the

flux collector. Devices on page 56 are

ratiometric.

Digital or linear output

AC or DC current sensing

Through-hole design

Fast response time

Output voltage isolation from input

Minimum energy dissipation

Maximum current limited only by

conductor size

Adjustable performance and built-in

temperature compensation assures

reliable operation

Accurate, low cost sensing

Operating temperature range – 25 to

85 C

). The sensing element is as-

1-815-235-6847 International 1-800-737-3360 Canada

0.75

APPLICATION

PDFINFO

ADJUSTABLE LINEAR CURRENT

SENSORS

MICRO SWITCH offers two families of lin-

ear current sensors with adjustable offset

voltage and sensitivity. Both families uti-

lize the previously described linear cur-

rent sensors mounted to a small printed

circuit board containing additional circui-

try. The adjustable feature enables the

user to define the exact range of oper-

ation. The offset voltage and sensitivity

are controlled by two trimpots soldered to

the printed circuit board. These sensors

are ratiometric.

DIGITAL CURRENT SENSORS

Each MICRO SWITCH CSD series digital

current sensor provides a logic level out-

put that changes from approximately Vcc

to 0.4 volts when the sensed current ex-

ceeds the operate point. Each digital sen-

sor will operate on AC or DC current, but

the output will turn off at every zero cross-

ing when sensing AC current.

Note: Operate and release currents are

specified in Amps-Peak. When monitor-

ing AC current using a digital sensor,

peak values should be used. Multiply the

RMS values by 1.414 to obtain the peak

value.

INDUSTRIAL OUTPUT CURRENT SEN-

SORS

Current sensors with industrial outputs

easily interface with programmable con-

trollers and other industrial control and

monitoring devices. They have 4 to 20 mA

or 1 to 5 VDC outputs and are packaged in

a low-cost open PC board configuration

or enclosed housings. These devices in-

clude a regulator. Therefore, they are not

ratiometric.

p a g e - 0 5 4

Variable speed motor controls

Automotive diagnostics (battery drain

detector)

Ground fault detectors

Motor overload protection

Current monitoring of electric welders

Energy management systems

Protection of power semiconductors

Control system diagnostics

Burnt-out light bulb detection

CS Series

Related parts for CSLA1CD

CSLA1CD Summary of contents

Page 1

... The magnetic field is directly proportional to the current passing through the conductor. Thus, there is a direct relationship between the output voltage of the current sensor and 54 Honeywell Sensing and Control 1-800-537-6945 USA FEATURES Digital or linear output current sensing Through-hole design Fast response time ...

Page 2

... N 950 P 1208 Q 1500 Honeywell Sensing and Control 1-800-537-6945 USA HOW TO INTERPRET CURRENT SENSOR SPECIFICATIONS The following definitions will help the user understand the characteristics of the MICRO SWITCH current sensor line. Adjustable Operating Range — The ad- justable linear current sensors give the ...

Page 3

... Solid State Sensors Linear Current Sensors ORDER GUIDE — BOTTOM MOUNT WITH 9SS SENSOR, SOURCE OUTPUT Mtg. Supply Catalog Dim. Volt. Listing Fig. (Volts DC) CSLA1CD CSLA1CE CSLA1DE CSLA1CF CSLA1DG CSLA1CH CSLA1DJ CSLA1EJ CSLA1DK CSLA1EK CSLA1EL BOTTOM MOUNT WITH SS9 SENSOR, SINK/SOURCE OUTPUT Mtg ...

Page 4

... NOTE: When monitoring purely AC current with zero DC component, a capacitor can be inserted in series with the output of the current sensor. The capacitor will block out the effect of the temperature variation of the offset voltage which increases the accuracy of the device. *N number of turns. MOUNTING DIMENSIONS (for reference only) Figure 1 Figure 1a Honeywell Sensing and Control 1-800-537-6945 USA Sensed mV N* Current Offset At 12 VDC (Amps Volt ...

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