SIM200 datasheet(2/9 Pages) SENSATA

2 / 9 page

SIM200™

Parameter

Min Typical Max

Unit

Conditions / Comments

Power and General Characteristics

Operational Supply voltage

12-24

Operational supply current

12 V supply

24 V supply

Operating temperature range

-40

+85

°C

Input Impedance Rin

2720

1000

272

kΩ

xNx

xKx

xPx

xQx

Input impedance varies based on the device voltage

configuration (hardware configured).

The input impedance of the monitor is the parallel

impedance imposed by the SIM200 between each

rail and the chassis.

See “Ordering Options” for more information.

Isolation Monitoring Function

Time to initial isolation estimate

4.5

5.5

Seconds

Response time to warning condition

4.3

Seconds

Applies to the detection of warning (500 Ω/V)

condition from a stable initial state under typical

operating conditions.

Response time to fault condition

5.3

5.8

Seconds

Applies to the detection of fault (100 Ω/V) condition

from a stable initial state under typical operating

conditions.

Response time to short condition

6.5

Seconds

Time needed to confirm short condition, for

equivalent resistances for each variant see

“Reporting of Short Condition”.

Application Voltage Range (Vb)

1000

600

300

1363

1000

510

140

1568

1150

582

161

xNx

xKx

xPx

xQx

“Typical” value is the max nominal system voltage

to meet IEC 61557-8 and allow for operation at

115% of nominal.

Total Y-capacitance

0.2

0.9

1.2

4.2

6.2

4.2

14.2

xNx

xKx

xPx

xQx

See “Y-Capacitors” section for more information.

If higher Y-capacitance is desired, contact Sensata

for further discussion.

Isolation Resistance Measurements

Reporting range

2720

1000

272

kΩ

xNx

xKx

xPx

xQx

The SIM200 provides the total resistance value for

each HV rail, including that imposed by the SIM200

module itself, which is the upper bound for system

insulation.

Measurement resolution

kΩ

Measurement accuracy

±5

±3

±15

±5

xNx

xKx

xPx

xQx

Listed accuracies are achieved when system

isolation is stable and under typical operating

conditions.

Measurement update period

250

Reporting of short condition

1.5

0.4

kΩ

xNx

xKx

xPx

xQx

Short condition will be reported when the isolation

resistance of one of the High Voltage rail falls below

the listed value.

Reporting of short condition – low voltage

mode

0.8

kΩ

xNx

xKx

xPx

xQx

Low voltage mode when battery voltage < 15 V.

Total Capacitance Measurement

Reporting range

0.2

µF

The total capacitance of the system is defined as

the sum of all Y-capacitance in the system.

Measurement resolution

Measurement accuracy

±10

Typical accuracy is achieved when the system

time constant is between 0.5 s and 1.5 s and

under typical operating conditions, and capacitive

measurement uncertainty is reported <10%

confidence interval.

Measurement update period

250

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