Keithley 2701 User Manual

Name: Keithley 2701
Brand: Keithley
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506 pages

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Model 2701 User’s Manual Status Structure 11-11

Standard event register

The used bits of the Standard Event Register (Figure 11-4) are described as follows:

• Bit B0, Operation Complete (OPC) — Set bit indicates that all pending selected

device operations are completed and the Model 2701 is ready to accept new com-

mands. This bit only sets in response to the *OPC? query command. See

Section 12 for details on *OPC and *OPC?.

Figure 11-4

Standard event status

• Bit B1 — Not used.

• Bit B2, Query Error (QYE) — Set bit indicates that you attempted to read data

from an empty Output Queue.

* ESR ?

PON

(B7)

URQ

(B6)

CME

(B5)

EXE

(B4)

DDE

(B3)

QYE

(B2) (B1) (B0)

Standard Event

Status Register

Standard Event

Status Enable

PON = Power On

URQ = User Request

CME = Command Error

EXE = Execution Error

DDE = Device-Dependent Error

OPC

PON

(B7)

URQ

(B6)

CME

(B5)

EXE

(B4)

DDE

(B3)

QYE

(B2) (B1) (B0)

OPC

* ESE

* ESE ?

(B15 - B8)

To Event

Summary

Bit (ESB) of

Status Byte

QYE = Query Error

OPC = Operation Complete

& = Logical AND

OR = Logical OR

Other manuals for Keithley 2701

Instruction Manual61 pages

Service Manual168 pages

Questions and Answers:

M
Matthew MurphyJul 26, 2025
How to fix Keithley Measuring Instruments Model 2701 when the web page opens but settings are blank?
- R
  Robert BakerJul 27, 2025
  If the web page opens but settings and data fields are blank, check the subnet mask on both the Model 2701 and the PC to ensure they match. Add the IP address of the Model 2701 to trusted sites in IE and allow ActiveX controls. Ensure only one connection to the 2701 exists at a time. Cycle power to the 2701 to close past connections. Use the correct cable type (straight through for direct connection without a hub, not crossover). Ensure each node has a unique IP address but shares the same subnet mask and network ID. Check the interface card setup. Verify the IP address and refresh if needed. On the 2701 front panel, press Shift >> RS-232 and set to OFF if it is set to use Serial Interface.

Keithley 2701 Specifications

General

Max Voltage	300 V
Max Current	3 A
Frequency Range	3 Hz to 500 kHz
Frequency Accuracy	0.01%
Weight	3.6 kg
Measurement Functions	Frequency, Temperature
Interface	IEEE-488 (GPIB), RS-232
DC Voltage Range	300 V
DC Current Range	3 A
AC Voltage Range	300V
AC Current Range	1 μA to 3 A
Resistance Accuracy	0.01%
Channels	10
Dimensions	213mm x 88mm x 370mm