Version 1.51 Release; Supported Models; Overview; Critical Fixes - Keithley 3700A Series Firmware Release Notes

Version 1.51 Release - Supported models

Version 1.51 Release

Supported models

This firmware is used on the following Keithley Instruments products:
Models 3706A, 3706A-S, 3706A-NFP, 3706A-SNFP, and all Series 3700 cards

Overview

Note: The 1.51 release can only be used on 3700A models. This release is not compatible with 3700 (non-A)
models.
The following table lists the exact version numbers of the available Series 3700 components.

Critical fixes

NOTE: Firmware version 1.51 is the initial firmware release for the 3700A series and should not be installed on
non-A (for example 3706) models. For non-A series instruments, V1.41c is the latest firmware version. The
information provided below is only used to inform customers who had been previously using a model 3706 with
firmware release 1.41c.
PR45880 Models affected:
3706A, 3706A-S, 3706A-NFP, 3706A-SNFP
Symptom:
A repeated call to dmm.open was causing a memory leak.
Resolution:
The firmware was modified to free up allocated memory correctly.
PR45951 Models affected:
3706A, 3706A-S, 3706A-NFP, 3706A-SNFP
16
Model
Series 3700A Mainframe
Series 3700A High Performance DMM
3720 Dual 1x30 Multiplexer
3721 Dual 1x20 Multiplexer
3722 Dual 1x48 High Density Multiplexer
3723 Dual 1x30 High Speed Reed Relay Multiplexer
3724 Dual 1x30 FET Multiplexer
3730 Dual 6x16 High Density Matrix
3731 Dual 6x16 High Speed Reed Matrix
3732 Quad 4x28 High Speed Reed Matrix
3740 32 Channel Isolated Switch
3750 Multifunction I/O Card
Series 3700A Firmware Release Notes
Version
1.51b
1.50b
1.40h
1.40h
1.40h
1.40j
1.40j
1.40h
1.40j
1.40m
1.40h
1.40j
3706A-850SV1.55a / June 2017