Industrial Gaussmeter IGM11 Operating Instructions
Page 3 / 106
MAGSYS
magne t
systeme
Version 01/2013
© 2013 MAGSYS magnet syste
me GmbH - All Rights Reserved
Table of Contents
1 Safety Instructions
6
1.1 Safety Instructions for the Device
6
1.2 Safety Instructions for Measuring Probes
6
1.3 Safety Symbols
7
2 Brief Introduction
8
2.1 Preparing a Measurement
8
2.2 Running a Measurement
8
2.3 Measuring Unit
9
2.4 Selecting the Measuring Range
9
2.5 Display
10
2.6 Status Display
10
3 Function of the Gaussmeter
11
3.1 The Hall Effect
11
3.1.1 Linear Properties of the Hall Probe
11
3.1.2 Non-linear Properties of the Hall Probe
12
3.2 Measurement Details
14
3.2.1 Sample Measurements with an NdFeB
Magnet
14
3.2.2 Remanence and Hall Gaussmeter
Measurement
15
3.2.3 Accuracy Based on Positioning and
Direction
16
3.2.4 External Static Magnetic Fields
17
4 Control Elements and Connections
18
4.1 Front Panel Overview
18
4.2 Ports Overview
19
4.3 Power Supply
20
4.4 Probe Connection
20
4.5 USB Interface
21
4.6 LAN Interface
22
5 Operation
24
5.1 Buttons
24
5.2 Display
25
5.3 Status Display
26
5.4 Null Balance
26
5.5 Measuring Range
27
5.6 Measuring Unit
28
5.7 DC/AC Field Measurement
28
5.7.1 DC Field Measurement
28
5.7.2 AC Field Measurement
29
5.8 Peak Value Measurement
31
5.8.1 Fast Peak Value Detection
31
5.9 Probe Data
33
6 Set-up Menu
34
6.1 Reset
34
6.2 Settings Overview
34
6.3 Settings
35
6.3.1 Overview
35
6.3.2 Measurement
36
6.3.3 Parameters of the Serial Interface EIA-232
37
6.3.4 Parameters of the Serial Interface EIA-485
37
6.3.5 Parameters of the LAN Interface
38
6.3.6 Settings of the Digital Inputs
38
6.3.7 Settings of the Digital Outputs
39
6.3.8 Settings of the Function Buttons
40
6.3.9 Display of the Error Memory
40
7 Power Supply Connection
41
8 Signal Interfaces
42
8.1 Introduction
42
8.2 Wiring of the Inputs
43
8.3 Wiring of the Outputs
44
9 Serial Interfaces
45
9.1 Introduction
45
9.2 Connecting the Gaussmeter to an External
Controller
46
9.3 EIA-485 Connector
48
9.3.1 EIA-485 Bus Terminal
48
9.3.2 EIA-485 Basic Network
49
9.3.3 EIA-485 Cable Details
50
9.3.4 EIA-485 Wiring Details
50
9.3.5 EIA-485 Potential Equalization Details
51
9.3.6 EIA-485 Shielding Details
51
9.4 EIA-485 Bus Protocol
52
9.4.1 Telegram Syntax
52
9.4.2 Data Encoding
53
9.4.3 Telegram Length
53
9.4.4 BCC Generation
53
9.4.5 The Address Byte (ADR)
54
9.4.6 Telegram Exchange
54
9.4.7 Data Content
55
9.4.8 Parameter Settings
55
9.5 EIA-485 Point-to-Point (P2P) Connection
55
9.6 Samples of Data Transfer EIA-485
56
9.7 EIA-232 Connection
57
9.7.1 Operating Mode SCPI
57
9.7.2 Operating Mode SHORT
58
9.7.3 Operating Mode FLOW
59
9.8 Connector Cable EIA-232
59
9.9 Samples of Data Transfer EIA-232
60
9.10 User Data
62
9.10.1 Character Set
62
9.10.2 Introduction to the SCPI Language
62
9.10.3 SCPI Data Types
64
9.10.4 SCPI Status Model
65
9.11 Summary of SCPI Commands
68
9.11.1 Control Commands
68
9.11.2 Main Commands
68
9.11.3 Peak Value Functions
69
9.11.4 Probe Functions
69
9.11.5 Device Functions
69
9.11.6 Memory Functions
70
9.11.7 Serial Interfaces
70
9.11.8 Digital Interfaces
70
9.12 SCPI Command Reference
71
9.12.1 Control Commands
71
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