Aposun CHDS8B User Manual

CHDS8B series Weight Indicator User Instruction Manual

First of all, thank you for using our qualified products. Please read this manual carefully before use so that you can fully understand and properly use the instrument

1. Model number and ordering info.

CHDS 8B

I

4 B

R R

Aux. power A: 12V DC C: others

Communication 4: Rs485 2: Rs232 Blank: none

Al2 R: relay S:SSR N: none

Al1 R: relay S:SSR N: none

Analog I: 4-20mA V: 0-10V

Power supply Blank: 85-265V AC/DC E: 24V DC

Size 8B: 48H*96W mm

CHDS series Programmable sensor meter

(input signal: 1-4 load cells)

2. Technical specifications

The i ns tru men t acc ept s man y typ es of sig nal s inp ut as 4 -20 mA, 0 -10 V, 0-7 5mV, TC /RT D,
load ce ll, e tc. . Thi s mak es it a ppl ica ted i n differ ent a pplic ati ons , s uch a s tem per ature ,
press ure , wei ght ing , res ist ance, c urr ent a nd vo lta ge me asure men t. We also p rov ide
20-st age p rog ram mab le se tti ng for no -li nea r inp ut. T he in put , out put a nd powe r sup ply
are iso lat ed fr om ea ch ot her.

Power s upp ly

Insul ati on re sis tan ce

Wit hs tan d vol tag e

Acc ur acy

Sampl ing s pee d

Displ ay ra nge

Inp ut

Out pu t

Aux. po wer

Commu nic ati on

Analo g

Sta nd ard t emp .

Limit ing t emp .

Sta nd ard h umi dit y 35%-8 5% RH

85-26 5V AC/ DC 50 /60 Hz co nsu mpt ion: ≤5VA

100MΩ（DC5 00C )

AC 1500 V/1 min * 1 mA

0.3 %F.S

≤8 tim es /se c.

-1999 ~99 99

Pro po rti on me asu rem ent , 4-w ire loa dce ll, 2mV /V si gna l

250V /3 A AC re si sta nce l oad

12V ±2%, 8 0mA max

Rs485 / R s23 2

4-20m A or 0-1 0V

-10℃-55℃

-25℃-75℃

5.Panel description

PV

SV

SET

DS8B

PV window: display current weight and parameter notation

SV window: display Al1 value and parameter value

Al1: indicate lamp for alarm 1, ON: active OFF: inactive

Al2: indicate lamp for alarm 2, ON: active OFF: inactive

Al2: indicate lamp for alarm 2, ON: active OFF: inactive

V(mV): signal input lamp ON: V signal flash: mV signal

Ω(℃): signal input lamp ON: resitance signal flash: TC/RTD signal

A(mA): signal input lamp ON: A signal flash: mA signal

SET

The main function key

The shift key

<</RST

<<

<</RST

The increasing key

The descending key

<<

V(mV)

Ω(℃)

A(mA)

<<

Al1

Al2

Al3

6. Setting and programming

6.1 Pow er on ini ti aliza tion

Power o n for s elf -ch eck ing a nd sh owing i npu t typ e & dis pla y val ue rang e.

PV

SV

SET

DS8B

Power o n
all LED l igh t up

<</RST

V(mV)

Ω(℃)

A(mA)

<<

Al1

Al2

Al3

<<

PV

SV

SET

DS8B

Inp ut s ign al ty pe
such as m A

<</RST

V(mV)

Ω(℃)

A(mA)

<<

Al1

Al2

Al3

<<

PV

SV

SET

DS8B

Up disp lay v alu e
Down di spl ay va lue

<</RST

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

<<

<<

PV

SV

PV va lu e
Al1 v al ue

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

SET

<</RST

DS8B

<<

3. Size and mounting

DS8B

+0.5

Holin g: 91 * 45

+0.5

6

4. Wiring diagram

Remar k

13

14

1 2

85-26 5V

Above i s a gener al w iring d iagra m. Plea se alwa ys refe r to t he
conne ction d ia gram on t he side o f the con troll er.

16

15

3

4

Al1 Al2

17

5

83

signa l input

+

18 19

TC

6

7

+

-

20

8

4-20m A

46. 5

21

9

-

TXD RXD

+

23

22

Rs485

10

11

-

+

aux. po wer

24

12

6.2 SV co nfigu ra tion an d param eter co nfigu ratio n

6.2 .1 H ow to c han ge th e SV se tti ng va lue

(1)PV /SV d isp lay m ode

PV

SV

SET

<</RST

DS8B

Press < </R ST once
the l as t dig it of S V fla shi ng
(fl as h dig it ca n be mo dif ied )

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

<<

(2)SV c onf igu rab le mo de

PV

SV

DS8B

Press < </R ST twice ,mo ve
the c ur sor t o the h und red ’s
digit a nd fl ash ing

Remar k

The d ec ima l poi nt mo ves a uto mat icall y

◆

onc e th e val ue in cre ase s. Fo r exa mple,
the p re sen t SV is 9 .00 0, wh en pr ess
inc re ase ,th e dis pla y cha nge s to 10.0 0.

6.2 .2 H ow to c onf igu re al l con fig urabl e par ame ter s

<</RST

<<

SET

-

Press < </R ST key to sh ift
the f la shi ng di git

Remar k

The i ns tru men t wil l ret urn t o the m easur ing e sta te if n o any o per ati on f or 25 s eco nds

SET

<</RST

<<

<<

Pre ss key to i ncr eas e
the n um eri c /co de of a
param ete r

(exam ple : cha nge 1 .00 0 to 0. 500 )

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

SET

<</RST

<<

<<

<<

(3) SV c onf igu rab le mo de

PV

SV

Pre ss , chan ge th e
hundr ed’s d igit to “ 5"

<<

( is in cr eas e key )

<<

V(mV)

Ω(℃)

A(mA)

SET

<</RST

DS8B

(5) SV c onf igu rab le mo de

PV

SV

Pre ss S ET to sa ve the
chang es

SET

Pre ss k ey to d ecr eas e
the n um eri c/c ode o f a
param ete r

DS8B

<</RST

<<

SET

<<

<</RST

V(mV)

Ω(℃)

A(mA)

(4) SV c onf igu rab le mo de

PV

Al1

Al2

Al3

SV

<<

<<

Press < </R ST to save t he
chang es, a nd mo ve th e
curso r to th e tho usa nd’ s
digit a nd fl ash ing

(5)SV c onf igu rab le mo de

PV

Al1

Al2

Al3

SV

<<

<<

Press , cha nge t he th ou

-sa nd ’s dig it to “0"
( is th e de cre ase k ey)

<<

SET

<</RST

<<

Press S ET key t o save th e
chang es an d mov e to th e
next pa ram ete r

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

SET

<</RST

DS8B

DS8B

<<

Al1

V(mV)

Al2

Ω(℃)

Al3

A(mA)

<<

SET

<</RST

<<

<<

<<

<<

7. Parameter menu

8.Calibration

PV

SV

DS8B

PV

SV

DS8B

Al1

V(mV)

Al2

Ω(℃)

Pre ss S ET for 5 s econd s

Al3

A(mA)

to en te r men u lev el 1 as b elo w:

<<

SET

<</RST

<<

Alarm 1 v alu e
AL1

Alarm 1 m ode

AM1
Alarm 2 v alu e
AL2

Ala rm 2 mode
AM2

Alarm 3 v alu e
AL3

Alarm 3 m ode

AM3
Off set v alu e
PVF

Lock pa ssw ord
LCK

V(mV)

Ω(℃)

A(mA)

SET

<</RST

Inp ut sens or code s elect ion INP, se lect mV o nly

-1 999≤A L1≤9999

H,L

-1 999≤A L2≤9999

H,L

-1 999≤A L3≤9999

H,L

-50 ~ 50

0 ~ 999

Al1

Al2

Al3

<<

<<

Pre ss a nd at t he sa me ti me fo r 5 sec ond s
to en te r men u lev el 2 as b elo w:

<<

K

Pt1 00

Low dis pla y val ue
LSP

High di spl ay va lue
USP

Decim al po int

dP
Ala rm h yst ere sis f or al arm 1
HY1

Ala rm h yst ere sis f or al arm 2
HY2
Alarm h yst ere sis f or al arm 3
HY3

Tra nsm iss ion o utp ut
lower l imi t TrL
Tra nsm iss ion o utp ut
high li mit Tr H

Fil te r con sta nt SF t

Commu nic ati on ad dre ss
Add
Inp ut l ine ar pr oce ss
Prt

Calib rat ion p ass wor d

-1999 ~ 9 999

-1999 ~ 9 999

000 0, 000. 0

00. 00,0. 000

-50 ~ 50

-50 ~ 50

-50 ~ 50

-1 999≤t rL≤9999

-1 999≤t rH≤9999

0~18

000~2 47

NO, Y ES

0~999

90.0

H

80.0

H

50.0

H

0.1

010

<<

E

J

rt

mV

0.0

100.0

0.0

0.0

0.0

0.0

0.0

100.0

004

001

NO

015

Alarm v alu e for a lar m 1

H: Hi gh a lar m L: Lo w ala rm

Alarm v alu e for a lar m 2

H: Hi gh a lar m L: Lo w ala rm

Alarm v alu e for a lar m 3

H: Hi gh a lar m L: Lo w ala rm

PV va lu e= me asu rin g val ue - PV F

LCK=0 10, t he me nu le vel 1 c an be r ead o nly
LCK=0 00, t he me nu le vel 1 c an be m odi fied

r

t

A

mA

V

b

S

Zer o po int d isp lay v alu e

Load ce ll sc ale v alu e ( sum o f 1-4 l oad cell)

PV de ci mal p oin t

Hyste res is va lue f or al arm 1

Hyste rsi s val ue fo r ala rm 2

Hyste res is va lue f or al arm 3

Displ ay fo r re- tra nsm iss ion a t low lim it va lue

Displ ay fo r re- tra nsm iss ion a t high li mit v alu e

The b ig ger t he fi lte r con sta nt, t he bett er th e
eff ect , the s lower t he re spo nse .

Commu nic ati on ad dre sss c ode

Reser ved p ara met er

The p as swo rd fo r cal ibr ati on. D onot
chang e it.

8.1 Cal ibrat io n witho ut stan dard we ight

The i ns tru men t is ca lib rat ed wi th 2mV/ V loa d cel l. Th e use r jus t nee d to se t the m easur ing
range ( USP ) and d eci mal p oin t (DP ) only.

For e xa mpl e, th e loa d cel l sen sit ivity i s 2mV /V, the s cal e is 100K G, 4 lo ad ce lls i s con nec t

-ed. So t he to tal m eas uri ng ra nge i s 400KG .

Measu rin g sca le va lue U SP

Decim al po int d P

400.0

000.0

8.2 Tar e-wei gh t clear ance ( ze ro poin t calib ratio n)

The t ar e-w eig ht cl ear anc e can b e done in 2 d iffere nt me tho ds:

Metho d A: whe n the t are w eig ht is w ith in ±50, pr ess f or 5 se con ds ti ll th e PV

displ ays 0 .0, the t are -we igh t clear anc e ope rat ion i s fin ished .

If th e ta re we igh t is mo re th an 50 , ple ase do no t pre ss . Th is op era tio n won ’t cl ear

<</RST

<</RST

the tar e wei ght . If yo u pre ss ac cid ental ly, pleas e ent er th e Men u Lev el 1, a nd se t

PV= 0.

<</RST

<<

Pre ss < </R ST key for 3 s eco nds

<<

<<

<<

SET

Metho d B: Wh en th e tar e wei ght i s mor e than 50 , pre ss an d for 5 s eco nds t o

enter t he Me nu Le vel 2 , and f ind p ara meter , s et it t o 020 .

Enter a not her m enu , pre ss ag ain a nd agai n to fi nd pa ram ete r , pre ss

once, t he SV d ata f las hes , and p res s to conf irm , the S V dis pla ys 0. 0.

<<

Pre ss and fo r 5 sec ond s to qu ite t he Me nu Leve l 2. The t are-w eig ht cl ear anc e

SET

SET

<<

<</RST

opera tio n is fi nis hed .

8.2 Fin e-tun e US P

For e xa mpl e, th e use r wei ght s 50. 0KG mat eri al, b ut th e ins tru men t di spl ays 4 9.7 KG. T hen

the use r nee ds to f ine -tu ne th e par amete r .

Fin e- tun e For mul a: ne w USP value = st and ard wei ght / P V value × o ld US P val ue

In th is e xam ple , new U SP= 50. 0/4 9.7×100 .0 =100. 6

The u se r nee ds to s et US P=1 00. 6.

Remar k

Depen ds on t he sp eci fic f unc tio ns, som e of pa ram ete r may o r may n ot be a va ila ble .