Measurement-computing DAC488 v.1 Uživatelský manuál stáhnout pdf (Strana 23)

DAC488 User’s Manual DAC488 Power & Assembly 17

Rack-Mount & Bench-Top Assembly

The DAC488 includes accessories for rack-mount or bench-top assembly.

Rack Mount

If rack-mount assembly is required, remove the two plastic screws from the pre-drilled holes on each side of

the unit. Since the unit can be mounted with the front or rear panel facing the front of the rack fixture,

remove only those screws from the set of holes that will be toward the front of the rack. Attach the two rack

ears using the enclosed screws.

Bench Top

If bench-top assembly is required, install the self-adhesive rubber feet on the bottom of the unit

approximately one inch from each corner.

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User's Manual 1
Introduction to this Manual 3
Table of Contents 4
7 - DAC488 Commands 5
8 - Troubleshooting 5
A - Appendix 5
DAC488 Overview 1 7
Accessories 8
Specifications 8
DAC488 Setup 2 11
Hardware Setup 12
Default Settings 13
Mode Selection 13
Analog Output Ports 13
Digital I/O Port 14
DAC488 Power & Assembly 3 19
Rack Mount 23
Bench Top 23
Power-Up Activation 24
CAUTIONCAUTION 24
Programming Examples 25
Performance Verification 26
DAC488 Operation 4 29
Port Triggering 30
Internal Buffer 32
Control Modes 34
Waveform Control Mode 35
Multiple Port Synchronization 36
User-Defined System Defaults 39
IEEE 488 Bus Support 39
Bus Commands 40
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
DAC488 Calibration 6 47
Manual Calibration Procedure 48
BASIC Calibration Program 49
DAC488 Commands 7 57
Command Groups 59
Command Summary 60
Command Reference 63
@ - Trigger On Command 64
A - Autorange 65
B - Buffer Data 66
C - Control Mode 67
D - Digital Output 69
E? - Query Error Status 70
F - Buffer Definition 72
G - GET Trigger Mask 73
H - Offset Calibration 74
I - Interval 75
J - Gain Calibration 76
K - End-Or-Identify Control 77
L - Buffer Location 78
M - Service Request Mask 79
N - Number of Cycles 80
O - Output Format 81
P - Port Select 82
Q - External Trigger Mask 83
R - Range Select 84
S - System Defaults 85
T - Command Trigger Mask 86
U - User Status 87
V - Value Output 90
W - Test 91
X - Execute 92
Y - Bus Terminator 93
? - Query 94
Serial Poll Status Byte 95
Troubleshooting 8 97
Query Error Status 98
Appendix A 99
IEEE 488 Bus Commands 100
ASCII Codes 101
ASCII Code Details 103
Decimal Values 32 to 63 – LAG 105
Decimal Values 64 to 95 – TAG 106
Abbreviations 112

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