2 serial 25 bit, Serial 25 bit – Metrohm 822 Titration Curve Simulator User Manual

Page 22

Advertising
background image

4.2 Meaning of the LEDs

14

822 Titration Curve Simulator, Instructions for Use

SER_OUT - bit 4:

EXP1

Bit 1 for coding the cylinder volume

SER_OUT - bit 5:

EXP2

Bit 2 for coding the cylinder volume

SER_OUT - bit 6:

LOCK

Exchange unit present

SER_OUT - bit 7:

DOS_TYP1 Bit 1 definition of the chip function

(formerly "GTYP")

Commands for dosing device:
SER_IN - bit 0:

POS0

Bit 0 for the default of the desired

cock position

SER_IN - bit 1:

POS1

Bit 1 for the default of the desired

cock position

SER_IN - bit 2:

DOWN

Dosing impulses for spindle motor

SER_IN - bit 3:

UP

Filling impulses for spindle motor

SER_IN - bit 4:

NRES

Reset for the Dosimat controller

(L active)

SER_IN - bit 5:

POS2

Bit 2 for the default of the desired

cock position

SER_IN - bit 6:

R_NRW

Use data or set STROBE impulse

SER_IN - bit 7:

DIR

Definition of the direction of rotation

of the cock motor

4.2.2 Serial 25 bit

With the 25 bit transmission the single bits 0...24 have the following

meanings:

Reply from the dosing device:
SER_OUT - bit 0:

STOP

Status message if difference

counter = zero

SER_OUT - bit 1:

ESU

End switch down: cylinder at

minimal stroke

SER_OUT - bit 2:

HOTLOCK

Bit for prompting the "Hot Plug

& Play" of the exchange unit

SER_OUT - bit 3:

ESO

End switch up: cylinder at

maximum stroke

SER_OUT - bit 4:

LOCK

Exchange unit present

SER_OUT - bit 5:

MOT_D0/IN0

Bit 0 D/A converter or digital

input IN0

SER_OUT - bit 6:

MOT_D1/IN1

Bit 1 D/A converter or digital

input IN1

SER_OUT - bit 7:

MOT_D2/IN2

Bit 2 D/A converter or digital

input IN2

SER_OUT - bit 8:

MOT_D3/NHWR Bit 3 D/A converter or status

message of the reset signal

SER_OUT - bit 9:

MOT_D4/NPOR Bit 4 D/A converter or of the

power-on-reset

SER_OUT - bit 10: MOT_SN/OVERL Algebraic sign of D/A converter

or motor overload

Advertising