Measurement-computing Digital488/80A Manual do Utilizador descarregar pdf (Página 71)

Q - Inhibit

SYNTAX

Qn Define mode n of Inhibit output line, where n = 0 or 1.

Clear the Inhibit line (return to unasserted state).

Set the Inhibiti line (place in the asserted state).

Q? Returns current Inhibit output line mode n.

DESCRIPTION

The Inhibit (

Q) command allows software control of the Inhibit output line, independent of any other I/O activities. To

change the active state of the Inhibit line, the Invert (I) command is used.

EXAMPLE

PRINT#1,"CLEAR08"

Line 1: Reset the Digital488/80A.

PRINT#1,"OUTPUT08;Q1X"

Line 2: Set the Inhibit line on Channel 0.

Digital488/80A User’s Manual

967695 Digital488/80A Commands 65

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 105 106

User's Manual 1
Introduction to this Manual 3
Table of Contents 4
7 - Troubleshooting 5
A - Appendix A 5
B - Appendix B 5
Digital488/80A Overview 1 7
Accessories 8
Specifications 9
CAUTION 10
Data Transfer Speeds 10
Digital488/80A Setup 2 11
Hardware Setup 12
Default DIP Switch Settings 13
Addressing Mode Selection 13
Secondary Address Settings 14
HVCX1 Option Setup 16
WARNING 16
Digital I/O Ports 23
Introduction 25
Line Voltage Selection 26
Fuse Replacement 28
Rack Mount 29
Bench Top 29
Power-Up Activation 30
Programming Examples 31
C0 is in use 33
C) command C5 was executed 33
Digital488/80A Operation 4 35
Clear (Pin 41) 36
Data Strobe (Pin 42) 36
Trigger (Pin 36
Inhibit (Pin 44) 37
Service (Pin 45) 37
External Data Ready (Pin 46) 37
IEEE 488 Bus Support 38
Bus Addresses 40
Bus Terminators 40
IEEE 488 Background 5 41
Bus Lines & Bus Commands 42
Handshake Lines 43
Data Transfer Lines 43
Bus Command Groups 44
More On Service Requests 45
Digital488/80A Commands 6 47
Command Syntax 48
Command Set & Support 49
Command Summary 50
- SRQ on Ready 51
Command Reference 52
A - Bit Set 53
B - Bit Clear 54
C - Configuration 55
D - Data Output 56
E? - Query Error Status 57
F - Data Format 59
G - Bus Input/Output 63
H - Handshake 64
I - Invert 65
K - End-Or-Identify 66
L - Buffer 67
M - Service Request Mask 68
O - Recall Configuration 69
P - Port Select 70
Q - Inhibit 71
R - Data Ready 72
S - Save Configuration 73
T - Test 74
U - User Status 75
V - View Configuration 78
V? - View Version 79
X - Execute 80
Y - Bus Terminator 81
? - Query 82
Serial Poll Status Byte 83
Troubleshooting 7 85
Buffer Overrun 86
Query Error Status 86
Appendix A A 87
Software Setup 88
Appendix B B 91
IEEE 488 Bus Commands 92
ASCII Codes 93
ASCII Code Details 95
Abbreviations 104
 Notes 106

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