Samsung VP-D310 Specifications download pdf (Page 299)

OWNER’S GUIDE  CONDITIONERS, HSI | 299

HSI-STG Amplier balance

The ampliﬁer balance allows eliminating automatically all internal ampliﬁer offsets. It switches the differential ampliﬁer inputs

IN+ and IN- to the internal isolated GND reference point. Then the output offset of the module is automatically adjusted to zero

for all ranges. This function takes up to 8 seconds. Automatically previous stored sensor offset values are cleared.

Sensor Balance

Typically every strain gage sensor has a certain offset. That comes from manufacturing tolerances or because of sensor mount-

ing. By performing a bridge balance this sensor offset could be completely removed on the analog side up to 200 % of the actual

range. This allows using the full dynamic of the AD-board instead of losing resolution because of digital offset shifting. Output

offset and sensor balance may not exceed 200 % of range (20 % for ranges above 1 V).

Internal Completion Resistors

The DAQP-STG has an internal half bridge completion and two internal quarter bridge completions for 120 Ω and 350 Ω strain

gages. The used high precision resistors with low temperature drift allow a long- time stable measurement of almost every strain

gage type without using an external completion network.

Internal Shunt

With two internal shunt resistors (59.88 kΩ and 175 kΩ) and one spare socket for a customised shunt, the DAQP-STG has wide

ﬂexibility in case of shunt calibration. A jumper network gives the possibility to connect the internal shunts to either Sense+

Sense – IN+ or IN- to be compatible to existing sensor types and correction calculation methods. This technology is used to cor-

rect the complete measurement chain gain error from the sensor input to the digital signal output. It is based on the known ratio

between the shunt resistor and the strain gage resistance.

Short

It switches the differential ampliﬁer inputs IN+ and IN- from the input terminals to the internal isolated GND reference point.

With this function the absolute sensor offset could be determined.

CAL

It applies a high precision internal reference signal with 80% of the full scale value to the module. For ranges above 1V the

reference signal level is 20 % of range.

Self Test

The self test function is a software controlled procedure that checks in the ﬁrst step the ampliﬁer itself. In the second step a

basic sensor check will be performed. This test is only available in DeweSoft if an AD-Card is installed.

Part 1: Amplier Test

The ampliﬁer offset is checked by using the Short function The 80% Cal signal is applied to the ampliﬁer. The complete isolation

ampliﬁer including the AD-Card is checked by using this test signal. The self test circuit switches the ampliﬁer input to the posi-

tive excitation voltage, so also the input ampliﬁer is checked. Warning: if there is a short circuit on the excitation this test will

fail.

Part 2: Basic Sensor Test

Bridge Sensor: It is checked if the supply current doesn’t exceed the maximum value, and if the excitation voltage is within the

predeﬁned value.

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Samsung CT-17N11MJ Manuale Utente (37 pagine)

Marchio: Samsung | Categoria: LCD TVs | Dimensione: 4.17 MB |

Indice

Owner’s

Instructions

Warning! Important

Safety Instructions

Important Safety Information

EXAMPLE OF

ANTENNA GROUNDING

CONTENTS

Chapter One

YOUR NEW TV

Chapter Two

Connecting Cable TV

INSTALLATION

VIDEO AUDIO

Connecting a VCR

Connecting a Camcorder

Chapter Three

Selecting a Menu Language

Memorizing the Channels

OPERATION

Changing Channels

Adjusting the Volume

Setting the Clock

Customizing the Picture

Auto Volume

PERATION

Chapter Four

Changing the Screen Size

Using the Surf Feature

Setting the On/Off Timer

Setting the Sleep Timer

Viewing Closed Captions

Chapter Five

Specifications

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