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TH2515 Operation Manual
6) Remote Control
6.1
RS232C Connection
RS-232 standard, also called as asynchronous serial communication standard, has already been widely used for data communication between computers, computer and external equipment. RS is the English abbreviation of Recommended Standard; 232, the standard number. This standard is issued by EIA in 1969, which rules to send one bit in a data line every time.
As most serial interfaces, the serial interface of TH2515 is also not strictly based on RS-232 standard but only uses the smallest subset of this standard. The signals are listed in the following table.
Signal
Transmitted Data
Received Data
Signal Ground Common
Code
TXD
RXD
GND
Connector Pin Number
2
3
5
The reason is that the use of three lines is much more inexpensive and much simpler than that of five lines or six lines, which is the biggest advantage of using serial interface for communication.
Table 6-1 RS-232 Signal and Pin Connector
The connection of the instrument with PC is shown in figure 6-1.
TXD(2) (3) RXD
PC
( Controller ) RXD(3) (2) TXD TH2515
GND(5) (5) GND
Figure 6-1 Connection of the instrument with PC
Figure 6-1 shows that the serial interface pin definition of this instrument is different from that of
9 pin connector used in the computer. User can purchase the serial interface cable from our company.
RS232 interface characterizes with a baud rate ranging from 9600 to 115200, no parity, 8-bit data bit, 1-bit stop bit.
The instrument commands comply with the SCPI standard. When a command string is
42
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Table of contents
- 7 Introduction to Instrument, Unpacking and Installing
- 7 Introduction to Instrument
- 7 Unpacking
- 7 Power Connection
- 8 Environment
- 8 Use of Test Fixture
- 8 Warm-up
- 8 Other Features
- 9 Introduction to Front and Rear Panels
- 9 Introduction to Front Panel
- 10 Introduction to Rear Panel
- 11 Display Zone
- 12 Introduction to Buttons on Front Panel
- 12 [MEAS DISP]
- 12 [SYSTEM SETUP]
- 12 Simple Operation
- 13 Starting Up
- 14 Basic Operation
-
14
- 14 Measurement Functions
- 15 Measurement Range
- 16 Measurement Speed
- 16 File Manage
- 16 Tools
-
17
- 18 File Manage
- 18 Tools
- 18 COMP (ON/OFF)
- 19 Compare Mode and SETTINGS of ABS & Percent Error
-
19
- 20 STATIS DISP
- 21 Edge Mode and Settings of Its Relevant Values
- 21 Status ON/OFF
- 21 Parameters of Statistic Analysis
- 22 TOOLS
-
22
-
25
- 25 Temperature Correction
- 26 Temperature Conversion
- 27 Types of Temperature Sensor
- 28 Parameter Setting
-
28
- 29 Tools
- 31 System Setup and File Manage
- 31 System Setup
- 31 TouchTone
- 31 Language
- 32 Password
- 32 Bus Mode
- 33 Baud Rate
- 33 Bus Addr
- 33 EOC Signal
- 34 Err.OUT signal
- 35 Power Supply Frequency
- 35 Setting Time and Date
-
36
- 36 Introduction to Save/Recall
- 36 Structure of File Folder/File in a U Disk
- 41 IP ADDR
- 41 SUBNET MASK
- 41 GATEWAY
- 41 DNS SERVER1, DNS SERVER
- 42 Performance Index
- 42 Measurement Function
- 42 Measurement Parameters and Notations
- 42 Measurement Groups
- 42 Equivalent Mode
- 42 Range
- 42 Trigger
- 43 Mode of Test Terminal
- 43 Time Expenditure of Measurement
- 43 Average
- 43 Display Digits
- 44 Test Signal
- 44 Current range
- 44 Output Voltage of Open Circuit
- 44 Maximum Display Range
- 44 Measurement Accuracy
- 45 Basic Accuracy for Resistance Measurement
- 46 Accuracy for Temperature Measurement (Pt500)
- 46 Accuracy for Temperature Measurement (Analog Input)
- 47 Temperature correction factor
- 48 Remote Control
- 48 RS232C Connection
- 49 GPIB Bus (option)
- 51 GPIB Interface Function
- 51 GPIB Addressing
- 51 GPIB Bus Commands
- 52 SCPI (Standard Commands for Programmable Instruments)
- 53 LAN Remote Control System
- 55 Access TH2515 through a Browser
- 55 Access TH2515 through the Software of a Upper Computer
- 56 USBTMC Remote Control System
- 56 System Configuration
- 56 Install the Driver
- 57 USBVCOM Virtual Serial Port
- 57 System Configuration
- 57 Installing Driver
- 59 SCIP Command Reference
- 59 TH2515 Subsystem Commands
- 59 DISPlay Subsystem Commands
- 61 FUNCtion Subsystem Commands
- 65 APERture Subsystem Commands
- 66 TRIGger Subsystem Commands
- 67 FETCH? Subsystem Commands
- 69 TEMPerature Subsystem Commands
- 71 COMParator Subsystem Commands
- 74 BIN Subsystem Commands
- 79 STATistics Subsystem Commands
- 83 IO Subsystem Commands
- 83 MEMory Subsystem Commands
- 84 SYSTem Subsystem Commands
- 87 GPIB Common Commands
- 91 Handler Interface
- 95 Package Contents and Warranty
- 95 Package Contents
- 95 Marks
- 95 Package
- 96 Shipping
- 96 Storage
- 96 Warranty