Megohmmeter
Model 24508
Page 5
Technical data
General informa
-
tion
Pr
eparations for
use
Contr
ols and con
-
nections
Manual operation
of the unit
Contr
olling the
unit r
emotely
Maintenance and customer service
Contents
Page
Safety instructions ............................................................................. 9
1.
General information ........................................................................... 11
1.1 Use ..................................................................................................... 11
1.2 Description
.......................................................................................... 11
1.3 Block diagram ...................................................................................... 12
2.
Preparations for use .......................................................................... 13
2.1 Unpacking the unit ............................................................................... 13
2.2 Using the equipment for the first time
................................................. 13
2.3 Supply voltage ..................................................................................... 13
2.4 Mains fuse ............................................................................................ 14
2.5 Power supply and signal-cable connectors ........................................ 14
2.6 Functional test ..................................................................................... 16
2.7 Calibration ............................................................................................ 16
2.8 Storage ................................................................................................ 16
3.
Controls and connections ................................................................. 17
3.1 Button functions .................................................................................. 17
3.2 Description of connectors.................................................................... 18
4.
Manual operation ............................................................................... 19
4.1 General instructions ............................................................................. 19
4.2 Setting the measurement time ............................................................. 20
4.3 Threshold switch .................................................................................. 20
4.4 Measurement start ............................................................................... 20
4.5 Error messages .................................................................................... 21
4.6 Example of a measurement in autorange mode .................................. 21
4.7 Overview of operation .......................................................................... 23
5.
Remote control .................................................................................. 27
5.1 Controlling the unit remotley ................................................................ 27
5.2 Pin connections for the RS232 interface ............................................. 27
5.3 Command code for the RS232 interface ............................................. 28
5.3.1
Transit commands to the
megohmmeter type 24508 via RS232 ................................... 28
5.3.2
Response from type 24508 ................................................... 29
5.4 Programming example ......................................................................... 30
5.5 Execute of the test program ................................................................ 35
5.6 The answer to interface problems ....................................................... 35
6.
Maintenance and customer service ................................................. 37
6.1 Maintenance ........................................................................................ 37
6.2 Customer service ................................................................................. 37
6.3 Factory warranty .................................................................................. 38
6.4 Cleaning ............................................................................................... 38
7.
Technical data .................................................................................... 39
8. Appendix ............................................................................................. 41
