CiDRA Passive Sonar Transmitters - Manual (Page 2)

Table of Contents
1 TRANSMITTER MODBUS CONFIGURATION OVERVIEW .............................................1-1
1.1 Introduction.................................................................................................................1-1
1.1.1 Passive Sonar Transmitters That Support MODBUS.........................................1-1
1.1.2 Modbus Variants Supported by Transmitter .......................................................1-1
1.2 CONFIGURATION SETTINGS ..................................................................................1-3
1.2.1 Transmission Modes ..........................................................................................1-3
1.2.2 Serial Communications Settings.........................................................................1-4
1.2.3 MODBUS Options ..............................................................................................1-5
1.3 Transmitter Menus .....................................................................................................1-6
1.3.1 Serial Settings ....................................................................................................1-6
1.3.2 Modbus Options .................................................................................................1-7
2 Transmitter MODBUS Register Overview ..........................................................................2-1
2.1 Introduction.................................................................................................................2-1
2.2 Making and Saving Changes .....................................................................................2-1
2.3 Passwords..................................................................................................................2-1
2.4 Transmitter MODBUS Supported Function Codes.....................................................2-3
2.5 Other Registers ..........................................................................................................2-4
2.6 Diagnostics.................................................................................................................2-4
2.7 Other Functions..........................................................................................................2-4
2.7.1 17 Read Slave ID ...............................................................................................2-4
2.7.2 43/14 Read Device Identification........................................................................2-4
3 MODBUS REGISTERS......................................................................................................3-1
3.1 Modbus Input Registers .............................................................................................3-1
3.2 Modbus Holding Registers .........................................................................................3-5
List of Figures
Figure 1 RS-232 / RS-485 Configuration..............................................................................1-6
Figure 2 Baud Rate ..............................................................................................................1-6
Figure 3 Data Bits.................................................................................................................1-6
Figure 4 Parity ......................................................................................................................1-6
Figure 5 Stop Bits .................................................................................................................1-6
Figure 6 Transmission Mode ................................................................................................1-7
Figure 7 Device Address ......................................................................................................1-7
Figure 8 ASCII Timeout ........................................................................................................1-7
List of Tables
Table 1 Supported Modbus Function Codes .......................................................................2-3
Table 2 Non-Supported Modbus Function Codes ...............................................................2-3
Table 3 Diagnostic Register Bits .........................................................................................2-4
Table 4 Modbus Input Registers .........................................................................................3-1
Table 5 Modbus Holding Registers .....................................................................................3-5
20959-01 Rev 02 Page i