Matrix-orbital VFD2041 Bedienungsanleitung PDF herunterladen (Seite 13)

2 Hardware Information

Refer to the following diagram for this chapter:

1 DB-9 Connector 5 Power / Data Connector

2 Power Through DB9 Jumper 6 Legacy Connector Jumper

3 GPOs 7 Protocol Select Jumpers

4 Manual Override

Figure 13: VFD2041

2.1 DB-9 Connector

The VFD2041 provides a DB-9 Connector to readily interface with serial devices which use the EIA232

standard signal levels of ± 12V to ±12V. It is also possible to communicate at TTL levels of 0 to +5V by

setting the Protocol Select Jumpers to TTL. As an added feature it is also possible to apply power through

pin 9 of the DB-9 Connector in order to reduce cable clutter. However, in order to accomplish this you must

set the Power Through DB-9 Jumper.

Matrix Orbital VFD2041 9

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 52 53

Technical Manual 1
Revision: 2.1 1
Contents 2
1 Getting Started 5
1.2 Accessories 6
Figure 4: Breadboard Cable 7
Figure 5: Serial Cable 4FT 7
Matrix Orbital VFD2041 3 7
Matrix Orbital VFD2041 4 8
Matrix Orbital VFD2041 5 9
1.3 Features 10
1.4 Connecting to a PC 11
1.5 Installing the Software 12
2 Hardware Information 13
Matrix Orbital VFD2041 11 15
2.2 Power/Data Connector 16
2.3 Protocol Select Jumpers 17
Matrix Orbital VFD2041 14 18
2.4 General Purpose Outputs 19
2.5 Manual Override 19
Matrix Orbital VFD2041 16 20
3 Troubleshooting 21
4 Communications 22
C Transaction Example 23
4.1.3 Serial Communication 23
4.2 Changing the I 24
C Slave Address 24
4.3 Changing the Baud Rate 24
CrystalSpeed 25
8×DesiredBaud 25
5.2 Auto Scroll On 27
5.3 Auto Scroll Off 28
5.4 Clear Screen 28
5.6 Set Auto Line Wrap On 29
5.7 Set Auto Line Wrap Off 29
5.8 Set Cursor Position 29
5.9 Go Home 30
5.10 Move Cursor Back 30
5.11 Move Cursor Forward 30
6 Special Characters 31
6.3 Saving Custom Characters 32
6.4 Loading Custom Characters 33
6.6 Initialize Medium Number 34
6.7 Place Medium Numbers 34
6.8 Initialize Large Numbers 35
6.9 Place Large Number 35
7 General Purpose Output 37
7.3 General Purpose Output On 38
7.4 Set Startup GPO state 38
8 Display Functions 39
8.4 Set VFD Brightness 40
9 Data Security 41
9.3 Data Lock 42
10 Miscellaneous 43
10.2 Read Version Number 44
10.3 Read Module Type 44
11 Command Summary 46
11.3 Special Characters 47
11.4 General Purpose Output 48
11.5 Display Functions 48
11.6 Data Security 48
11.7 Miscellaneous 49
11.8 Command By Number 49
12 Appendix 51
12.3 Physical Layout 52
12.4 Deﬁnitions 53
12.6 Revision History 53

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