Serial Communications Protocol Specifications - Swissvacuum.com

More documents

Recommendations

Info

- 12 - WRITING FUNCTION: FUNCTION CODE: 16 (DECIMAL) NOTE: This operation overwrite existing memory values. Be carefull to write only to the right position according to the microPLC memory layout. Wrong write operation (wrong address) can damage specific memory contents reserved to the functionality of the system. Registers existings within the controller can have their contents changed by this message (a maximum of 60 registers) The following example shows the writing of 30 registers (60 bytes) at address 2300 (decimal). This address is a controller memory area reserved to write operations for chamber control. You can find the description of this area in the specific section of this manual. All values are in decimal. QUERY Data that must be written in the controller memory ANSWER DATA MEANING 17 ADDRESS 16 FUNCITON NUMBER 08 REG. ADDRESS HO 252 REG. ADDRESS LO 00 REG. NUMBER HI 30 REG. NUMBER LO 60 BYTES NUMBER ------ DATA HO ------ DATA LO DATA HO DATA LO ERROR CHECK ERROR CHECK The normal answer to function 16 returns the following data, with a total packet length of 8 bytes. DATA MEANING 17 ADDRESS 16 FUNCTION NUMBER 08 ADDRESS HO 252 ADDRESS LO 00 REG. NUM. HO 30 REG. NUM. LO 128 ERROR CHECK 193 ERROR CHECK Bytes number = 2 * num. Of registers. Serial communications protocol vers. 2.02 Angelantoni Industrie Spa Massa Martana (PG) Italy
COMMUNICATION PARAMETERS - 13 - The following parameters must be used to configure the serial port of the PC in order to communicate with the chamber controller. These parameters cannot be changed. NAME VALUE BAUD RATE 19200 PARITY NONE STOP BITS 1 DATA LENGHT 8 Serial communications protocol vers. 2.02 Angelantoni Industrie Spa Massa Martana (PG) Italy
Page 1 and 2: - 1 - ANGELANTONI Industrie S.P.A.
Page 3 and 4: - 3 - INDEX INTRODUCTION...........
Page 5 and 6: The entire task can be described as
Page 7 and 8: - 7 - 03 Illegal data value 04 Fail
Page 9 and 10: � Read Function: function code 3
Page 11: - 11 - READ MULTIPLE REGISTERS: FUN
Page 15 and 16: C LANGUAGE - 15 - The following exa
Page 17 and 18: VISUAL BASIC - 17 - We assume you a
Page 19 and 20: - 19 - > Query sent: > 000: 017 001
Page 21 and 22: - 21 - > 012: 000 (0000) > 013: 000
Page 23 and 24: - 23 - > 152: 000 (0000) > 153: 000
Page 25 and 26: 0 193 129 64 1 192 128 65 0 193 129
Page 27 and 28: - 27 - ADDRESS MEANING 2032-2033 Re
Page 29 and 30: 2055.11 2055.12 2055.13 2055.14 205
Page 31 and 32: - 31 - REAL SETTINGS ADDRESS CHAMBE
Page 33 and 34: - 33 - TEST PROGRAM STATUS All info
Page 35 and 36: - 35 - 2328 Initial Segment Initial
Page 37: - 37 - APPENDIX A: CONNECTION OF A

Serial Communications Protocol Specifications - Swissvacuum.com

Create successful ePaper yourself

Delete template?

Save as template?