428

Index

OC annunciator, 4

offset “B” (Mx+B scaling), 39, 119 offset compensation, 115, 371 offset voltages, 105 On/Standby switch, 17

ONCE annunciator, 4 Open key, 26

“OPEN T/C” message, 107, 221 operating system requirements, 412 Option 001 (internal DMM)

See Option 001 Installation Note output format, alarm queue data, 127 output lines, alarms, 124, 128 OUTP:ALARm:CLEar command, 252 OUTP:ALARm:CLEar:ALL command, 252 OUTP:ALARm:MODE command, 252 OUTP:ALARm:SLOPe command, 252

parameter types (SCPI), 300 parity (RS-232)

factory setting, 152 selecting, 47, 152

pasting, channel configuration, 25 period measurements

connections, 21 sources of error, 377

PLC, 103, 344, 405 command syntax, 218 vs. channel delays, 89

plug-in module description 34901A, 164 34902A, 166 34903A, 168 34904A, 170 34905A, 172 34906A, 172 34907A, 174 34908A, 176

plug-in module information

connecting wiring, 20 default settings, 162 dimensions, 413 firmware revision, 146 installing in mainframe, 20 reading relay count, 147 strain relief, 20 specifications, 409

poisson strain, 373

polarity, alarm output lines, 129 ports, serial (COM), 273 power consumption, 408 power cord, 17

power failure, during scan, 77 power line cycles, 103, 344 Power (Standby) switch, 17 power-down recall, 48, 77, 140 power-line fuse

location, 5, 28 part number, 27 replacing, 28 factory setting, 27

power-line voltage factory setting, 27 fuse, 27 selection, 27 selector module, 5, 28

power-line, rejecting noise, 344 preset state, 161

printing history, inside front cover product dimensions, 413, 414 programming examples

C and C++, 328, 329 Excel 7.0, 321, 322, 323

programming language command summary, 181-200 syntax conventions, 181

programming, overview, 201-206 PT100 (RTD), 110, 346

questionable data register bit definitions, 280 clearing bits, 281

Quick Start Kit, 17

R0 (RTD) default, 110 range, 110

R? command, 236 rack mounting

filler panel, 31 flange kit, 31 lock-link kit, 31 removing bumpers, 30 removing handle, 30 sliding-shelf kit, 31

radio frequency interference, 339 random noise, 377

range autorange, 98 command syntax, 215 overload, 98 selecting, 99

ranges by function 2-wire ohms, 21, 116 4-wire ohms, 21, 115 ac current, 21, 116 ac voltage, 21, 113 dc current, 21, 116 dc voltage, 21, 113

RC protection circuitry, 385 Read key, 42, 44

READ? command, 79, 204, 230 description, 202 examples, 205

reading format, 87

readings memory, storing alarms, 122 readings, viewing, 24, 90 real-time clock

factory setting, 145 setting, 22, 145

rear panel

pictorial overview, 5 external scanning, 95

recall power-down state, 140 reference junction (thermocouple)

definition, 107 external reference, 107 fixed temperature, 107 internal reference, 107 reference channel, 107, 220

428 34970A specifications

Agilent Technologies 34970A is a versatile data acquisition and measurement system that has gained popularity in various industries, including research and development, manufacturing, and education. The primary purpose of the 34970A is to offer an efficient solution for data collection, monitoring, and analysis, which can significantly enhance productivity and accuracy in testing applications.

One of the main features of the 34970A is its modular design, allowing users to customize the system according to their specific measurement needs. The mainframe can accommodate up to three plug-in measurement modules, which can include various types of measurements such as analog, digital, temperature, and frequency. This modularity provides flexibility for users to tailor the system to their requirements, making it highly adaptable to different applications.

Another notable characteristic of the Agilent 34970A is its impressive channel configuration. The system can support up to 120 measurement channels when fully configured, enabling extensive data acquisition without the need for multiple devices. This capability is essential for applications requiring simultaneous monitoring of multiple parameters or locations.

The 34970A utilizes advanced signal processing technologies to ensure high-accuracy measurements. The internal 6.5-digit resolution multimeter provides precise readings, while the device also supports various input types, such as thermocouples and RTDs for temperature measurements. The ability to perform mathematical functions, such as summation and averaging, on the acquired data further enhances its usability.

For data storage and management, the Agilent 34970A features built-in memory for storing up to 20,000 readings. Users can also easily transfer data to a PC through the RS-232 interface or GPIB (IEEE 488) for further analysis and reporting. Additionally, it offers the capability to program automatic data logging and scheduling of measurements, which streamlines the testing process and reduces manual intervention.

In terms of user interface, the 34970A is equipped with a large graphical display that provides clear visualization of measurement data and easy navigation through settings and options. The menu-driven interface makes it accessible for users of all skill levels, simplifying the setup and operation of the device.

Overall, the Agilent Technologies 34970A stands out for its modularity, high channel capacity, advanced measurement technologies, and user-friendly interface. As a reliable and efficient data acquisition system, it is well-suited for a wide range of applications, making it an essential tool for engineers and technicians looking to enhance measurement precision and efficiency.

Agilent Technologies 34970A manual 428

Models: 34970A

Index

34970A specifications