ICP DAS USA SST-900B User Manual Download Page 18

Page: 18 / 21

ICP DAS SST-900B User Manual v1.0, 2011/05 Page

If the transmission has been successful, the message should

appear in the Response field, as indicated below.

Modbus RTU:

The MBRTU_Utility can be used for testing the transmission between a

PC and the M-7000 module using the SST-900B module.

The testing

method is as follows:

Set the dip switches to the correct positions to select the

Channel, Group ID, AP Mode, Data Format and Baud Rate that

you plan to use for your SST-900B module. Make sure that bit 8

Summary of Contents for SST-900B

Page 1: ...nt to the use of this product ICP DAS reserves the right to change this manual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However no respon...

Page 2: ...duct Description 5 3 1 Internal I O Structure 5 3 2 Appearance 5 3 3 Dimensions Units mm 6 4 Applications 8 4 1 Operating Modes 8 4 2 Application Example 8 5 Quick Start instructions for the SST 900B...

Page 3: ...ber and the group ID number must be the same on both modules Both RS 232 and RS 485 interfaces are supported and the module can be configured to operate in either broadcast or peer to peer transmissio...

Page 4: ...s LOS Maximum RF Data Rate 150k bps General CPU 8051 Module Type Master Slave Communication Interface RS 232 COM0 RS 485 COM0 Settings Baud Rate 1200 115200 bps Data Bit 8 Parity Check Even Odd None S...

Page 5: ...User Manual v1 0 2011 05 Page 5 3 Product Description 3 1 Internal I O Structure 3 2 Appearance RS 232 Interface RS 485 Interface Power Regulator RX GND TX D D VS GND Embedded Controller RF Module Con...

Page 6: ...ICP DAS SST 900B User Manual v1 0 2011 05 Page 6 3 3 Dimensions Units mm...

Page 7: ...ICP DAS SST 900B User Manual v1 0 2011 05 Page 7...

Page 8: ...oadcast mode In broadcast mode all the nodes act as slaves and there can be communication between any two nodes In P2P mode the effect of a master to slave framework or a slave to master framework is...

Page 9: ...11 05 Page 9 4 2 1 Connecting a PC to the 7000 module Using either P2P mode or Broadcast mode is fine 4 2 2 Peer to Peer Using a 7188 module as a Bridge to connect to a 7000 series module Using either...

Page 10: ...ICP DAS SST 900B User Manual v1 0 2011 05 Page 10 4 2 3 Peer to Peer PC to PC connections Using either P2P mode or Broadcast mode is fine...

Page 11: ...t mode Here is a suitable where setting the modules to P2P mode would be beneficial Because both of SST 900B modules 2 and 3 are neither acting in the same roles as a slave when they are communicating...

Page 12: ...the modules are set to P2P mode then there will be a communication requirement between PC 1 and PC 2 However because they are acting in the roles of a server or a client they will not be able to dire...

Page 13: ...tion RF Channel The same channel of each module will be connected SST 900B supports 16 channels Group ID The same Group ID of each module will be connected SST 900B supports 16 Group ID 1 2 3 4 5 6 7...

Page 14: ...red will be lit when the module boots The Power LED will remain off when the setting is Master Broadcast Master P2P 0x00 Slave P2P 0x10 Slave Broadcast 0x11 Data Format The Data Format supports 3 mod...

Page 15: ...200 0x00 2400 0x01 4800 0x02 9600 0x03 Bit 5 0 0 0 0 Bit 6 0 0 1 1 Bit 7 0 1 0 1 Dip Switch Baud Rate 19200 0x04 38400 0x05 57600 0x06 115200 0x07 Bit 5 1 1 1 1 Bit 6 0 0 1 1 Bit 7 0 1 0 1 Dip Switch...

Page 16: ...l send the settings from the RS 232 485 when it boots 2 Normal mode Data can only be transferred in this mode Debug message 1 TM 11 11 0x11 Denotes that the AP mode is Slave Broadcast 2 BD 70 7 0x111...

Page 17: ...lows 1 Set the dip switches to the correct positions to select the Channel Group ID AP Mode Data Format and Baud Rate that you plan to use for your SST 900B module Make sure that bit 8 is set for Norm...

Page 18: ...d below Modbus RTU The MBRTU_Utility can be used for testing the transmission between a PC and the M 7000 module using the SST 900B module The testing method is as follows 1 Set the dip switches to th...

Page 19: ...en adjust the Baud Rate and enter the data format in the Line Control filed Remember to click Open 4 Attempt to send a command relative to the M 7000 module In the Command field enter a command such a...

Page 20: ...ICP DAS SST 900B User Manual v1 0 2011 05 Page 20 5 3 Installing the Hardware 5 3 1 Serial Port RS 232 RS 232 Port RxD TxD GND RS 232 Port RxD TxD GND...

Page 21: ...ICP DAS SST 900B User Manual v1 0 2011 05 Page 21 5 3 1 Serial Port RS 485 RS 485 D D RS 485 D D...