PS081 datasheet(110/155 Pages) AMSCO

110 / 155 page

acam-messelectronic gmbh - Friedrich-List-Str.4 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de

6-7

PSØ81

Examples:

1.5 mV/V load cell, PICOSTRAIN wiring, Mult_HBx = 1:

1.5 mV/V = 1500 ppm à result in PS081 at maximum strain: 150,000 (0x0249F0)

2 mV/V load cell, Wheatstone wiring, Mult_HBx = 1:

2 mV/V means 1.333 mV/V in Wheatstone = 1333 ppm (due to a reduction in strain) à result in

PS081 at maximum strain: 133,333 (0x0208D5)

1 mV/V load cell, Picostrain wiring, Mult_HBx = 4:

1 mV/V = 1000 ppm à result in PS081 at max. strain: 400,000 (0x061A80)

6.3.2

Status Register

Table 6.3 Status Register (RAM Address 22)

Bit

Description

Status[23]= flg_io3_mio

Status[22]= flg_io2_sck

Status[21]= flg_io1_sdi

Status[20]= flg_io0_sdo

Status[19]= flg_rstpwr

Status[18]= flg_rstssn

Status[17]= flg_wdtalt

Status[16]= flg_endavg

Status[15]= flg_intav0

Status[14]= flg_ub_low

Status[13]= flg_errtdc

Status[12]= flg_pslock[1]

Status[11]= flg_pslock[0]

Status[10]= flg_errprt

Status[09]= flg_timout

Status[08]= error_dspclk

Status[07]= flg_io3_mio_r

Status[06]= flg_io2_sck_r

Status[05]= flg_io1_sdi_r

Status[04]= flg_io0_sdo_r

Status[03]= flg_io3_mio_f

Status[02]= flg_io2_sck_f

Status[01]= flg_io1_sdi_f

Status[00]= flg_io0_sdo_f

Pin26(32)

Pin20(25)

Pin19(24)

Pin18(23)

1 = Power-on reset caused jump into EEPROM

1 = Pushed button caused jump into EEPROM

1 = Watchdog interrupt caused jump into EEPROM

1 = End of measurement caused jump into EEPROM

1 = Jump into EEPROM in sleep mode

1 = Low voltage

1 = TDC error

1 = Phase shifter locked

1 = Error at strain gauge ports

1 = Timeout TDC

1 = Collision between TDC and DSP

1 = Rising edge at Pin26(32), 0 = no edge

1 = Rising edge at Pin20(25), 0 = no edge

1 = Rising edge at Pin19(24), 0 = no edge

1 = Rising edge at Pin18(23), 0 = no edge

1 = Falling edge at Pin26(32), 0 = no edge

1 = Falling edge at Pin20(25), 0 = no edge

1 = Falling edge at Pin19(24), 0 = no edge

1 = Falling edge at Pin18(23), 0 = no edge

Pin numbers in brackets = dice

The status of the inputs can be queried from the status regsiters at RAM addres 26 to 28. Please

see chapter 4.4.4 on page 4-17 for more details

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