3905C Manual.pdf

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MODEL 3905C
IEEE-488 PROGRAMMABLE FILTER
MAINFRAME
OPERATING MANUAL
MAINFRAME
SERIAL NO.
_____________
MICROPROCESSOR
SERIAL NO.
_____________
Unit 4, 15 Jonathan Drive, Brockton, MA 02301-5566
Tel: (508) 580-1660; Fax: (508) 583-8989
E-mail: info@krohn-hite.com; Web: www.krohn-hite.com
Model 3905C
Table of Contents
TABLE OF CONTENTS
1.0
GENERAL DESCIPTION .......................................................................................................... 1-1
1.1
INTRODUCTION ........................................................................................................... 1-1
1.2
SPECIFICATIONS ......................................................................................................... 1-1
OPERATION.............................................................................................................................. 2-1
2.1
INTRODUCTION ........................................................................................................... 2-1
2.2
TURN-ON PROCEDURE .............................................................................................. 2-1
2.3
SELF-TEST.................................................................................................................... 2-1
2.4
FRONT PANEL CONTROLS AND DISPLAYS............................................................. 2-2
2.4.1 Data Keys and Display ...................................................................................... 2-2
2.4.2 Control Keys ...................................................................................................... 2-2
2.4.3 Input Gain Keys and Display ............................................................................. 2-4
2.4.4 Output Gain Keys and Display .......................................................................... 2-4
2.4.5 Channel Keys and Display ................................................................................ 2-4
2.4.6 Clear Entry Key (CE) ......................................................................................... 2-4
2.4.7 LED Indicators ................................................................................................... 2-5
2.4.8 Connectors (BNC) ............................................................................................. 2-5
2.4.9 Switch................................................................................................................. 2-5
2.5
REAR PANEL ................................................................................................................ 2-5
2.5.1 Introduction ........................................................................................................ 2-5
2.5.2 Connectors (BNC) ............................................................................................. 2-5
2.5.3 Power ................................................................................................................. 2-5
2.5.4 Connector (Remote) .......................................................................................... 2-6
IEEE-488 STD (GPIB) PROGRAMMING ................................................................................. 3-1
3.1
INTRODUCTION ........................................................................................................... 3-1
3.2
PRELIMINARY PROGRAMMING INFORMATION ...................................................... 3-1
3.2.1 GPIB Primary Bus Address ............................................................................... 3-1
3.2.2 IEEE-488 Bus Interface Programming Connector ............................................ 3-2
3.3
ASCII DATA COMMANDS ............................................................................................ 3-2
3.3.1 Format ................................................................................................................ 3-2
3.3.2 Types of Data Commands ................................................................................. 3-2
3.3.3 Table of ASCII Commands ................................................................................ 3-3
3.3.4 Examples ........................................................................................................... 3-4
3.4
IEEE-488 STANDARD COMMANDS ............................................................................ 3-5
3.4.1 Multi-line Messages ........................................................................................... 3-6
3.4.2 Polling Commands............................................................................................. 3-7
3.4.3 Uniline Messages .............................................................................................. 3-9
3.5
TALKER FORMAT ......................................................................................................... 3-9
3.5.1 Parameter Information Format .......................................................................... 3-10
3.5.2 Overload Status Information Format ................................................................. 3-10
3.5.3 Model Number and Software Version Format................................................... 3-10
3.5.4 Board Model Number Format ............................................................................ 3-11
INCOMING ACCEPTANCE ...................................................................................................... 4-1
4.1
INTRODUCTION ........................................................................................................... 4-1
2.0
3.0
4.0
i
Model 3905C
Table of Contents
ii
Table of Contents
Model 3905C
Model 3905C IEEE-488 Programmable Filter Mainframe
iii
Model 3905C
Section 1 – General Description
SECTION 1
GENERAL DESCRIPTION
1.1
INTRODUCTION
The Model 3905C Mainframe is used in conjunction with the Krohn-Hite plug-in modules, that are
operational only when inserted in the five module Model 3905C Mainframe. The Mainframe includes a
Model 39A-05 microprocessor plug-in module. The modules are easily accessible from the rear of the
Mainframe.
The Mainframe provides local/IEEE-488 programming, indicators for the input and output gain, cutoff
frequency setting, channel selection and overload detection. Non-volatile, battery-backed, CMOS
memory permits storing and recalling of 85 selectable groups. Storing and recalling group settings is
accomplished with only one command. Self-testing of the digital circuitry occurs upon power-up.
This Operating and Maintenance Manual is for the Model 3950A and its Model 39A-05 microprocessor
module only. Separate manuals are provided for each type of module.
1.2
SPECIFICATIONS
1.2.1
1.2.2
1.2.3
CAPACITY:
5 modules.
MEMORY:
85 selectable groups; each group has storage for 5 module set-ups.
Memory is non-volatile battery-backed CMOS.
OVERLOAD MODES:
Three selectable modes; non-latching, that monitors all channels
and displays first channel to overload; latching that maintains overload display until
cleared and no indication (used with some models).
OVERLOAD INDICATORS:
LED’s for input and output. Gain display flashes when
overload occurs on displayed channel (used with some models).
SELF-TEST DIAGNOSTICS:
MPU checks unit upon power-up. Display indicates
failure modes.
DISPLAYS:
7 segment green LED; 0.5” high.
REMOTE PROGRAMMING:
IEEE-488/1978 GPIB interface. Subset: SH1, AH1, T6,
L4, SR1, RL1,PP1, DC1, DT0, C0, E1.
OPERATING TEMPERATURE:
0° to 40°C (Specifications apply at 23°C
±5°C).
STORAGE TEMPERATURE:
-20° to +70°C.
1.2.4
1.2.5
1.2.6
1.2.7
1.2.8
1.2.9
1.2.10 POWER REQUIREMENTS:
90-132/180-264 volts ac, 50-60Hz, 20 watts.
1.2.11 DIMENSIONS:
3 �½” (9cm) high, 17 ¼” (43.8cm) wide, 18 3/8” (50.2cm) deep.
1.2.12 WEIGHTS:
10 lbs. (4.6 kg) plus 1.75 lbs. (0.8 kg)/channel.
1.2.13 ACCESSORIES:
Operating and Maintenance manual; 6 foot, 3 terminal line cord.
1.2.14 OPTIONS:
Rack Mount Kit; RK-317; Module Extender; 39AME.
1.2.15 CONNECTORS:
Input/Output BNC on front and rear panels.
Specifications Subject To Change Without Notice.
1-1

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