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Manuals and User Guides for L-Card L-502-P-G. We have
1
L-Card L-502-P-G manual available for free PDF download: User Manual
L-Card L-502-P-G User Manual (73 pages)
Measuring voltage converters, A family of universal modules of the ADC/DAC
Brand:
L-Card
| Category:
Media Converter
| Size: 1.35 MB
Table of Contents
Table of Contents
4
Contents
4
Chapter 1. General Description
7
Fig. 1-1. Symbol System for L-502 Module
7
Order Information
8
Order Kit
8
Consumer Properties of L-502 in Comparison with L-780(М), L-783(М), L-791
8
Appearance and Main Structural Elements
11
Fig.1-2. L-502 Version 3 (Face Layout)
11
Fig. 1-3. L-502 Version 1 or 2 (Face Layout)
12
Documentation Structure for L-502
13
Fig.1-4. L-502 (Back Layout)
13
Chapter 2. Installation and Configuration
14
Configuration L-502
14
Backup Boot Configuration
14
The Configuration of the Outputs DAC1 and DAC2
15
Configuring the Resolution of the Active State of the Digital Outputs
15
Installing the L-502 in Your Computer
16
Function of the Status LED on the Front Panel
16
Serial Number. L-502 Version Number. Module Identification in a Multi-Module Configuration
17
Software Installation
18
Chapter 3. The Device and Principle of Operation L-502
19
Conventions
19
Convention on Numbering
19
The Assumption on the Concept of "Frequency
19
The Agreement on the Terms "Card", "Board" and "Module
19
Introduction (L-502 Concept)
19
Operation Principle
22
Reference Frequency
22
ADC Channel
22
Digital Input Channel
23
Digital Output and DAC Channels
23
Fig. 3-1. Illustration of the Personnel Principle for Acquiring ADC Data
23
General Principle for Synchronization in L-502
24
Fig. 3-2. L-502 Synchronization System Structure
25
Setting the Ratio between the Time of Setting the Signal and the Resolution for each Channel of the ADC Is a Unique Possibility of the L-502
26
Fig. 3-3. the Principle of Obtaining ADC Data (in Detail)
27
Relative Switching Delays in ADC Channels
28
Relative Delays of the ADC, DAC and I/O Channels
29
Fig.3-4. Synchronous I/O Diagram
29
Operation Principle and Function Circuit
31
Fig. 3-5. Block Diagram
31
Chapter 4. Connection of Signals
33
GND, DGND, AGND Circuits
33
L-502 Connectors Description
33
L-502 External Signal Connector
33
Connecting the Cable Shield
33
Table 4-1: Eternal Signal Connector
34
Fig. 4-1: Eternal Signal Connector
34
Internal Signal L-502 Connector
36
Fig. 4-2: Internal Signal Connector
36
Table 4-2: Internal Signal Connector
37
Internal Connector of Intermodule Synchronization
38
Fig. 4-3: Example of a Grouped Connection of Digital Lines: Three Buses of 8 Bits each
38
Fig. 4-4: Intermodule Synchronization Connector (L-502 Version 1 and 2)
38
Table 4-3: Intermodule Synchronization Connector
39
Fig. 4-5: Intermodule Synchronization Connector (L-502 Version 3)
39
Fig. 4-6: Multi-Module Synchronization Scheme
40
JTAG Connector
41
The Maximum Allowable Conditions at the Inputs and Outputs of Signal Lines
42
Table 4-4 the Maximum Permissible Modes Are Described for the L-502 Module Installed in the Computer's System Unit
42
Table 4-5Maximum Permissible through Current by GND, AGND, DGND
42
ADC Input Operation Voltage Range
44
Necessary Conditions for Correct Connection and Correct Settings of the Input of the ADC L-502
45
The Physical Causes of Possible Problems
45
Conditions for Correct Connection and Settings L-502
46
Calculation of the Total Load Power of L-502 Output Circuits
48
Chapter 5. Specifications
49
Adc
49
Limits of the Permissible Relative Basic Error of Measuring the AC Voltage
50
ADC Own Input Noise
51
ADC Inter-Channel Passing
51
Dac
52
AC Voltage Playback Error
52
Digital Inputs
53
Digital Outputs
54
Synchronization in L-502
54
Synchronization Characteristics
54
Intermodule Synchronization Interface
55
Characteristics of Standard Interfaces
55
Power Supply System and Galvanic Isolation
56
Construction Specification
58
Environmental Conditions
58
Normal Conditions
58
Operating Conditions
58
Chapter 6. Connexion Samples
59
ADC Entry Point Connection
59
Connecting to the ADC Entry Point of Single-Phase Voltage Source
59
Connection to ADC Input with up to 16 Differential Voltage Sources
62
Connection to the ADC Input for the Case Where the Common Wire of the Signal
63
Sources Has a Offset Potential Ucm of Max. ± 1 V Relative to the AGND Circuit
63
Measurement of the Voltage Drop on the Circuit Section in the Differential Mode (up to 16- Channels)
64
Differential Connection of the Transformer (Throttle) Winding with Midpoint and Offset Potential with Respect to AGND
64
Example of Mixed Connection of Voltage Sources "With Common Ground" and Differential
64
Connecting a Power Supply to the ADC Input
65
Consistent Connection of Remote Current Sources or Voltage through a Long Line with a Wave Resistance of Zw with Load on the Side of the Receiver
66
Differential Connection of an Isolated Current Source or Voltage
66
With a Wave Resistance Zw with Matching on the Signal Source Side
67
Connecting the DAC Outputs
68
2-Channel Output ±5 V
68
Single-Channel Differential Output ±10 V
68
Connecting the Digital Inputs and Outputs
69
Connecting the LED or the Optron Input. Option 1
69
Connecting the LED or the Optron Input. Option 2
69
Connecting a Contact to a Digital Input
69
Bibliography.
72
Bibliography
72
List of Figures
72
List of Tables
72
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