Table of Contents
Advertisement
Quick Links
SM2121A using the standard ,easy access to PLC，DCS and other instruments or systems for
monitoring pH state quantities.The internal use of high-precision sensing core and related devices to
ensure high reliability and excellent long-term stability,can be customized
RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
Technical Parameters
Technical parameter
Brand
best Industrial Co., Ltd
Sha nghai Son
SM2121A Us er Ma nual
SM2121A
RS232 interface liquid pH sensor
User Manual
File Version: V22.1.20
http://www.sonbus.com/
Parameter value
SONBEST
Page1
Advertisement
Table of Contents
Related Manuals for SONBEST SM2121A
Summary of Contents for SONBEST SM2121A
- Page 1 User Manual File Version: V22.1.20 SM2121A using the standard ,easy access to PLC，DCS and other instruments or systems for monitoring pH state quantities.The internal use of high-precision sensing core and related devices to ensure high reliability and excellent long-term stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
- Page 2 SM2121A Us er Ma nual PH range 4~14 ±0.5 PH accuracy Communication Interface RS232 Default baud rate 9600 8 n 1 Power DC9~24V 1A Running temperature -40~80° C Working humidity 5%RH~90%RH Wiring instructions Any incorrect wiring can cause irreversible damage to the product. Please carefully wire the cable as follows in the case of power failure, and then connect the cable to confirm the correctness and then use it again.
- Page 3 SM2121A Us er Ma nual 40106 00 69 protocol read/write 1~10 3 read and modify device address (1) Read or query device address If you don't know the current device address and there is only one device on the bus, you can use the command FA 03 00 64 00 02 90 5F Query device address.
- Page 4 SM2121A Us er Ma nual command is: 01 06 00 67 00 05 F8 1601 03 00 66 00 01 64 15 . Device ID Function id Start Address Target Baud Rate CRC16 00 66 00 01 64 15 Change the baud rate from 9600 to 38400, changing the code from 3 to 5.
- Page 5 SM2121A Us er Ma nual Web: http://www.sonbest.com Web: http://www.sonbus.com SKYPE: soobuu Email: sale@sonbest.com Tel: 86-021-51083595 / 66862055 / 66862075 / 66861077 best Industrial Co., Ltd Page5 Sha nghai Son...
Need help?
Do you have a question about the SM2121A and is the answer not in the manual?
Questions and answers