
Inside of Rear Cover Flap (Service Guide)
1
Specifications
2
Quick Start
3
Front-Panel
Overview
4
Calibration
Procedures
5
Theory of
Operation
6
Service
7
Replaceable
Parts
8
Schematics
Factory Reset State
Measurement Configuration
Function
Range
Resolution
Integration Time
Input Resistance
Channel Delay
Totalizer Reset Mode
Totalizer Edge Detect
Scanning Operations
Scan List
Reading Memory
Min, Max, and Average
Scan Interval Source
Scan Interval
Scan Count
Scan Reading Format
Monitor in Progress
Mx+B Scaling
Gain Factor (“M”)
Scale Factor (“B”)
Scale Label
Alarm Limits
Alarm Queue
Alarm State
HI and LO Alarm Limits
Alarm Output
Alarm Output Configuration
Alarm Output State
Alarm Output Slope
Module Hardware
34901A, 34902A, 34908A
34903A, 34904A
34905A, 34906A
34907A
System-Related Operations
Display State
Error Queue
Stored States
Factory Reset State
DC Volts
Autorange
5
1
⁄
2
digits
1 PLC
10 M
Ω
(fixed for all DCV ranges)
Automatic Delay
Count Not Reset When Read
Rising Edge
Factory Reset State
Empty
All Readings are Cleared
All Statistical Data is Cleared
Immediate
Front Panel = 10 Seconds
Remote = Immediate
Front Panel = Continuous
Remote = 1 Scan Sweep
Reading Only (No Units, Channel, Time)
Stopped
Factory Reset State
1
0
Vdc
Factory Reset State
Not Cleared
Off
0
Alarm 1
Latched Mode
Output Lines are Cleared
Fail = Low
Factory Reset State
Reset: All Channels Open
Reset: All Channels Open
Reset: Channels
s
11 and
s
21 Selected
Reset: Both DIO Ports = Input, Count = 0,
Both DACs = 0 Vdc
Factory Reset State
On
Errors Not Cleared
No Change
The table below shows the state of the instrument after a FACTORY RESET
from the
Sto/Rcl
menu or
*
RST
command from the remote interface.
Summary of Contents for 34970A
Page 1: ...Agilent 34970A Data Acquisition Switch Unit Service Guide ...
Page 34: ...32 ...
Page 35: ...2 Quick Start 2 ...
Page 49: ...3 Front Panel Overview 3 ...
Page 62: ...60 ...
Page 63: ...4 Calibration Procedures 4 ...
Page 118: ...116 ...
Page 119: ...5 Theory of Operation 5 ...
Page 159: ...6 Service 6 ...
Page 177: ...General Disassembly 4 3 2 1 6 Chapter 6 Service Disassembly 175 ...
Page 178: ...Internal DMM Disassembly 3 2 1 Chapter 6 Service Disassembly 176 ...
Page 180: ...Additional Chassis Disassembly 1 2 Chapter 6 Service Disassembly 178 ...
Page 181: ...Plug In Module Disassembly Needle nose Pliers 6 Chapter 6 Service Disassembly 179 ...
Page 182: ...180 ...
Page 183: ...7 Replaceable Parts 7 ...
Page 220: ...Chapter 7 Replaceable Parts Manufacturer s List 218 ...
Page 221: ...8 Schematics 8 ...
Page 272: ......