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1

KH2900-Lһڶ¶нϸҪĵӵܻװͨѶ˸вӿйѹ㷺Һ¶Ȳͨ·Χ-40150´0.1֧RS485ӿMODBUS-RTUͨѶЭͨѶʿȼIP54ȼIP20

2Ҫ

1) RS485ӿModbusЭ¶Ȳɼ

2) ͨѶɼȫ

3) ӿȫ24V220V

4ڲ¶ȼֱӶ¶ֵλΪ϶

5) RS485ͨѶӿ

3

1)Դ830VDCʵ30Vĵ9mA24Vĵ12mA12Vĵ23mA8Vĵ33mA

2)¶ȣ-35桫+50

3)ʪȣ95%RH

4)ͨѶӿڣRS485ӿModbusЭRS485ӿ֧Modbus-RTUЭһʼλ˸λżУһֹͣλʿΪ1200bps2400bps4800bps9600bps

5)RS485ͨѶ룺<1200

6)¶Ⱦȣܡ2

7)ӦҺ¶Ȳͨ·Χ-40-1500.1

4װߴ

4.1ߴ磨L 144mm W 90mm H 40mm


ARS485 ͨѶA

BRS485 ͨѶB

ԴV+ֱԴ

ԴGNDֱԴ

R(n)+Լ0.1mA

GND

ɽ6-12·¶

4.2װʽ

1һñڹʽװñ׼35mm찲װʽ

2ڹʽװһ㰲װǽǽڻڱȷװλƷ׼װλ˿̶šװù̶ι̼

5µݲ鿴

¶Ȳɼ:

ͨ¶ȴĵֵ¶Ȳɼóǰ¶ȴ¶

6ӵ´

װҪµĵӵλ

6.1װߴͼ



ߴ磺W 3mm L 2000mm H 3mm

6.2ص㼰

1.(-40桫+250)ȼܽˮ

2.·Χ-40桫150

3.ڴ󲿷ֵѹӵռ,ҪС,װװıҪ.

6.3ӵ´װ

ӵ´ֱװڿعҺͳҵĸװʽΪʽװ

1.Ѳڱ

2.ذڱ

3.װʱҪͣ


7ͨѶ

7.1

ƷѡRS485ͨѶӿMODBUS-RTUͨѶЭһͨѶ·ͬʱ32̨DZͨѶӦʹôͭ˫߾С0.5mmʱӦʹͨѶԶǿ»ǿ糡Ϊ1200͵ӷʽͼʾûɸݾѡʵӷʽ



MODBUSЭһͨѶϲӦʽͨѶӷʽźѰַһ̨Ψһַն豸ӻȻն豸Ӧź෴ķ˫Ĺģʽ

MODBUSЭֻPCPLC ȣն豸֮ͨѶն豸֮ݽն豸dzʼʱռͨѶ·ӦﱾIJѯź

7.2ֽڸʽ

ôͨѶ8λ1ʼλ1ֹͣλżУλ

ɵַCRC-16У

ֽǰֽںλǰλںԭУ⣩

7.3֡ʽ

֡ǴϢĻԪMODBUSЭӻͬ֡ʽ

֡3.5ֽڵͣʱ俪ʼͬ3.5ֽڵͣʱ־֡Ľ֡Ϊ֮֡ǰг1.5ֽڵͣʱӻ¿ʼһ֡ĽRTU֡ʽʾ

ʼ

ַ

У

ĸֽڵͣʱ

1 ֽ

1 ֽ

N ֽ

2 ֽ

ĸֽڵͣʱ

7.3.1ַ루Address

ַʶĸӻͨѶÿӻΨһĵַ͵ĵַ͵Ĵӻַӻ͵ĵַ͵ĴӻַûʹõĵַΪ1~247ַ

7.3.2루Function

ʾӻҪִкֹ±гDZֵ֧Ĺ뼰Ķ;

03H

Ĵ

ȡһĴ

7.3.3Data

湦벻ͬͬЩݿֵοַ磺03HDZȡĴֵҪȡĴʼַȡ

7.3.4У

УӻжϽյǷʹϵͳͨѶɿ

MODBUS-RTUCRC-1616λѭУ룩У鷽16λCRCУɷͶ˼ڷϢβն¼յϢУյУȽ߲ͨѶ

7.4

DZ⵽УĴʱϢλΪ1ӻ͸Ĺ͵ĹĻϼ128ӻصĴϢ֡ʽ£


ַ

λΪ1

У

ֽ

ֽ

1ֽ

1ֽ

1ֽ

1ֽ

1ֽ

£

01H

ǷĹ

յĹDZ֧

02H

Ƿݵַ

յݵַDZķΧ

03H

Ƿֵ

յֵӦַݷΧ

8Ĵ



9

ƷͲⲻӦܵҳӦGB/T15464DZװͨüĹ涨ʹ

ƷӦԭװĵط¶Ϊ-40桫70ʪȲ85޸ʴƷڲֿﱣӦ̨Ÿ߶Ȳ5ƷŸ߶Ȳ5ֻ

10޼˵

ƷԳ֮ʮû˵涨ҪвʹʱȥΪƻͲʧɵ𻵣ֲƷйȱݺͲϸָʱҹ˾ ʱϸдͺżҪԱΪṩȷ֮Ʒ



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