Ramsey MINI CK101 Weight Integrator - Hoferick Engineering GmbH
Ramsey MINI CK101 Weight Integrator - Hoferick Engineering GmbH
Ramsey MINI CK101 Weight Integrator - Hoferick Engineering GmbH
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4 QUERY, RESPONSE MESSAGES AND EXAMPLE<br />
Below there are the structure of the data query from a Master (PLC) to the Salve (<strong>MINI</strong> CK 101)<br />
Starting from the slave address field, the structure is that of the MODBUS message, exept for error check field.<br />
4.1 Read Operation Example ( Function 03 )<br />
QUERY RESPONSE MESSAGE<br />
Stamp xxx Stamp xxx<br />
Slave Address xxx Slave Address xxx<br />
Function 03H Function 03H<br />
Address. HI xxx Byte Count xxx<br />
Address. LO xxx Data MSB xxx<br />
N° Data HI xxx ... xxx<br />
N° Data LO xxx Data LSB xxx<br />
EXAMPLE 1 – READ HOLDING REGISTER<br />
The Host wants to receive the Linear <strong>Weight</strong> (belt Load) :<br />
Address of slave : 01<br />
Register N°: 59 (3B Hex)<br />
Type of register: Float<br />
Load value: 100,0 Kg/m<br />
HOST (PLC) SLAVE (<strong>MINI</strong> CK)<br />
Stamp 3AH<br />
Slave Address 01H<br />
Function 03H<br />
Address HI 00H<br />
Address LO 3BH<br />
N° Data HI 00H<br />
N° data LO 02H <br />
3AH Stamp<br />
01H Slave Address<br />
03H Function<br />
04H Byte Count<br />
42H Data Hi<br />
C8H Data Lo<br />
00H Data Hi<br />
00H Data Lo<br />
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