OEM Marine Pressure Transmitter with Enhanced Explosion Protection

• Customization: Available
• Measuring Medium: Gas
• Measuring Temperature: -20~50ºC
• Model NO.: SAC-PCM-302
• Measurement Range: -0.1MPa ~ 0MPa ~ 6MPa
• Measurement Accuracy: 0.5%F.S
• Measurement Stability: ±0.2%Fs/Year
• Overload Pressure: 150%Fs
• Operating Temperature: -20~50ºC
• Compensation Temperature: -20~50ºC
• Working Humidity: 95%Rh
• Storage Temperature: -40~85ºC
• Trademark: Aice Tech
• Origin: China
• HS Code: 9026202000

Product Description

Welcome to Jiangsu Aice Instrument Technology Co., Ltd., where innovation meets precision. Discover our state-of-the-art Marine Pressure Transmitter Explosion Proof OEM, designed to exceed industry standards and deliver unparalleled performance. Join us on a journey of technological excellence and reliability.

Product Description

1. INTRODUCTION

Crafted to seamlessly align with the MODBUS communication protocol, this advanced product operates using the sub-centralized RTU mode with RS485 half-duplex functionality.

Serial port configuration: no parity, 8 data bits, and 1 stop bit.
Example Configuration: 9600,N,8,1 - Meaning: 9600bps, no parity, 8 data bits, and 1 stop bit.
This transmitter is versatile, supporting various serial baud rates including: 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200.
Employs a CRC checksum polynomial of: 0xA001.
Data communication is processed with double-byte shaped data. For floating point numbers, the decimal point must be read to determine the data size accurately.

Product Parameters

(1) Example of Read Command Format (03 Function Code)
A. Sending the Read Command Format.

Address	Function Code	Data start(H)	Data start(L)	Data number(H)	Data number(L)	CRC16 (L)	CRC16(H)
0X01	0X03	0X00	0X00	0X00	0X01	0X84	0X0A

B. Returning to Read Data Format: Example

Address	Function Code	Data length	Data(H)	Data(L)	CRC16 (L)	CRC16(H)
0X01	0X03	0X02	0X00	0X01	0X79	0X84

(2) Example of Writing Command Format (06 Function Code)
A. Sending the Write Command Format.

Address	Function Code	Data start(H)	Data start(L)	Data number(H)	Data number(L)	CRC16 (L)	CRC16(H)
0X01	0X06	0X00	0X00	0X00	0X02	0X08	0X0B

1. Returning to Write Data Format: Example

Address	Function Code	Data start(H)	Data start(L)	Data(H)	Data(L)	CRC16 (L)	CRC16(H)
0X01	0X06	0X00	0X00	0X00	0X02	0X08	0X0B

1. Exception Response Returns

Address	Function Code	Exception code	CRC16(L)	CRC16(H)
0X01	0X80+Function Code	0X01(Illegal functions)
		0X02(Illegal data address)
		0X03(Illegal data)

4. Supported Commands and Their Meanings: Interpreting Commands and Data

Function Code	Data start address	Data number	Data bytes	Data range	Command Meaning
0x03 Function code to read data
0x03	0x0000	1	2	1-255	Read slave address
0x03	0x0001	1	2	1200	Baud rate reading

0x03	0x0003	1	2	#### ###.# ##.## #.###	The decimal points represent respectively 0-3 decimal places
0x03	0x0002	1	2	0- Mpa 1- Kpa 2- Pa 3- Bar 4- Mbar 5- kg/cm2 6- psi 7- mh2o 8- mmh2o	Pressure units
0x03	0x0004	1	2	-32768~32767	Measured output Value
0x03	0x0005	1	2	-32768~32767	Transmitter range zero point
0x03	0x0006	1	2	-32768~32767	Transmitter range full point
0x03	0x000C	1	2	-32768~32767	Zero offset value, factory default is 0
0x06 Function code reading data
0x06	0x0000		2	1-255
0x06	0x0001		2	1200 2400 4800 9600 19200 38400 57600 115200	Modify baud rate
0x06	0x000C		2	-32768~32767	Zero offset value Pressure output value = calibration measurement value + zero offset value
0x06	0x000F		2	0-Save to user area 1-Save to factory area
0x06	0x0010		2	1-Return factory parameters

Installation Instructions

When modifying the baud rate, the transmitter will respond with the baud rate initially sent by the host for modification. Post-reply, the transmitter's baud rate will seamlessly transition to the newly specified value.
Upon altering the address, the transmitter will acknowledge by returning the pre-modification address. Following this, the transmitter’s address will be promptly updated to the new one.
Using the 'Save and reply' factory command will return the original value, signifying that the transmitter has successfully received and accepted the command from the host.
When restoring factory settings, be aware that the factory parameters may differ from user-saved data. Consequently, the address, baud rate, and calibration data might vary, necessitating a fresh transmitter search post-restoration.
Users are permitted to modify only three specific data points: the address, baud rate, and zero offset.
For calibration or alteration of calibration data, please reach out to our company for the appropriate calibration software. Unauthorized calibration commands by the user may result in the transmitter issuing an exception code. Utilize our calibration software for accurate modifications.
If the data to be read is a floating point number, for example, 6.000, but the protocol describes it as an integer (e.g., 6000), the data must be interpreted using a decimal point. For instance, if the decimal point is 3, then 6000 divided by 10^3 yields 6.000.

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Certifications

FAQ

1. Q: Can I purchase any of your product accessories?

A: Absolutely! Most of our accessories are available for purchase. However, some items, due to patented designs or intellectual property restrictions, may not be available.
For more detailed information, please get in touch with our dedicated sales team.

2. Q: Is it possible to become your exclusive distributor?

A: Yes, indeed. However, this privilege depends on your annual purchase volume and our potential for a long-term partnership. We are looking for business partners who can build and maintain a trustworthy, long-term relationship.
We value partners who are committed to growing with us over time.