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407796-001
Racal Instruments 407796-001 Manuals
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Racal Instruments 407796-001 manual available for free PDF download: Manual
Racal Instruments 407796-001 Manual (178 pages)
SWITCHING SYSTEM
Brand:
Racal Instruments
| Category:
Control Systems
| Size: 4.11 MB
Table of Contents
Table of Contents
8
Chapter 1
18
Introduction
18
Overview
18
Figure 1-1, 1257 Switching System
18
Ease of Use
19
Features
19
Figure 1-2, 1257 Features, Front Panel
20
Figure 1-3, 1257 Features, Rear Panel
20
Front and Rear Panels
20
Figure 1-4, Dimensions
21
Figure 1-5, 2U High Remote Unit
22
Figure 1-6, Reverse Rack-Mounted
22
Figure 1-7, 5U Front Panel Display
23
Figure 1-8, 6U Front Panel Display
23
Powerful Software
23
Items Shipped with the 1257
25
Chapter 2
26
Getting Started
26
Mounting Options
26
Main AC Power
26
Figure 2-1, Changing Fuse for Main AC Power
26
Installing the Drawer
28
Connecting to the Drawer
28
Figure 2-2, Inserting a Drawer
28
Activating Main AC Power
29
Self-Test
29
Figure 2-3, Activating Main AC Power
29
Closing a Relay
30
Verifying the Installed Drawer
30
In Case of Trouble
31
Opening a Relay
31
Switching and Heat Dissipation
32
Chapter 3
34
Using the Front Panel Controls
34
Introduction
34
Table 3-1, Accessibility of Features
34
Front Panel
35
Understanding the Hierarchical Menu
35
Figure 3-1, Front-Panel Controls
35
The Five Menus
39
Operations Menu
40
Path Control Menu
42
Closing a Path
43
Settings Menu
46
Store/Recall Menu
53
System Menu
56
Complete Menu Listing
57
Chapter 4
62
Computer Interfaces
62
Introduction
62
Commands
62
Basic Ethernet Information
63
Ethernet Cabling Guidelines
63
Using the Ethernet Interface
63
Connecting the Ethernet Cables
64
Figure 4-1, Connecting the Ethernet Interface
64
Selecting the Ethernet Interface
64
Entering the Ethernet Communication Settings
65
Basic GPIB Information
71
GPIB Cabling Guidelines
71
Using the IEEE-488 (GPIB) Interface
71
Connecting the GPIB Cables
72
Figure 4-2, Using the GPIB Interface
72
Selecting the GPIB Interface
72
Setting the GPIB Address
73
Service Request (SRQ)
74
Connecting to a Computer or Data Terminal
75
DTE Versus DCE
75
Equipment Required
75
Connecting to a Modem
76
Figure 4-3, Using the RS-232 Interface
76
Figure 4-4A, Using the 1257 with a Computer
77
Figure 4-4B, Using the 1257 with a Modem
77
Setting the Flow Control Option
79
Setting the Baud Rate
81
Setting the Message Termination Characters
82
Setting the Data Bits, Stop Bits, and Parity
83
Using Microsoft Hyperterminal
85
Figure 4-5, Hyperterminal Connection Dialog Box
86
Figure 4-6, Phone Number Dialog Box
86
Figure 4-7, COM Properties Dialog Box
87
Figure 4-8, Main Communications Screen
88
Figure 4-10, Settings Dialog Box
89
Figure 4-9, Properties Dialog Box
89
Figure 4-11, ASCII Setup Dialog Box
90
Chapter 5
92
Scpi Command Basics
92
SCPI Command Overview
92
Input Format
92
Case Sensitivity
94
Command Keyword Long Form and Short Form
94
Optional Keywords
95
Querying Parameter Setting
95
SCPI Command Terminator
95
IEEE-STD-488.2 Common Commands
97
IEEE 488.2 Common Commands
97
IEEE-488. 2 Status Description
98
Figure 5-1, IEEE-488.2 Status Reporting Model
99
Standard EVENT STATUS Register
100
STATUS BYTE Register
102
SERVICE Register ENABLE Register
104
CLS Command
104
ESE Command
105
ESE? Query
106
ESR? Query
106
SRE Command
106
SRE? Query
107
STB? Query
107
OPC Command
107
OPC? Query
107
IDN? Query
108
RST Command
108
Table 5-1, Power-On and Reset State
108
TST? Query
109
RCL Command
109
SAV Command
109
SPE Command
110
TRG Command
111
WAI Command
111
SCPI Status Registers
111
SCPI Parameter Type
113
Numeric Parameters
113
Discrete Parameters
114
Boolean Parameters
115
Command Input Buffer
115
Reply Output Buffer
117
Specifying Channels in Commands
118
Defining Drawer Names
119
Naming the Drawer
119
Removing Drawer Names
120
Reading the Module Address for a Drawer Name
121
Reading the Presently Defined Drawer Names
121
Naming a Path
122
Storing the Drawer Names in Non-Volatile Memory
122
Defining Path Names
123
Reading the Presently Defined Path Names
124
Removing Path Names
124
Reading the Channel List for a Path Name
125
Storing Path Names in Non-Volatile Memory
125
Closing Channels
126
Opening Channels
127
Checking for Installed Drawers
128
Reading Error Messages
128
System Commands
128
SCPI Version Information
129
User-Interface Lockout
130
Non-Volatile Update
131
Chapter 6 SCPI COMMAND REFERENCE
134
General
134
Table 6-1, Commands Implemented by the 1257
136
Chapter 7 ADVANCED SCPI OPERATIONS
140
Introduction
140
Using ROUTE: CONFIGURE to Control Switching Sequence
140
Include Lists
141
Using Exclude Lists
144
Using External Triggering
146
Selecting the Trigger Source
146
Selecting a Trigger Delay
147
Selecting the Trigger Count
147
Arming and Disarming the 1257
148
Figure 7-1, State Transition Diagram for Arming and Triggering the 1257
149
Generating a Single Trigger
149
Output Trigger Signals from the 1257
150
Selecting an Output Trigger Destination
150
Using Scan Lists and External Trigger Input
151
Scan Lists
151
Figure 7-2, Using External Trigger in and External Trigger out
151
Defining a Scan List
153
Advance Verification Features
155
Confidence Mode
155
Using Relay Verification
156
Saving/Recalling the Verification Masks
157
Automatically Recalling Verification Masks at Startup
158
Chapter 8 PRODUCT SUPPORT
160
Warranty
160
Appendix A SPECIFICATIONS
162
General
162
System
162
Remote Interface
162
Environmental
163
Emc
164
Safety
164
Mechanical
164
Appendix B RACK MOUNTING
166
Items Included
166
Installing the 1257 Using Slides and Mounting Brackets
166
Figure B-1, Installing the Slide Kit
167
Installing the 1257 into a Rack Without Slides
168
Figure B-2, Rack Mounting
168
Appendix C TROUBLESHOOTING
170
How to Use this Section
170
Power-Up
170
Front-Panel Controls
171
RS-232 Remote Interface
172
IEEE-488 (GPIB) Remote Interface
174
Drawers
174
Non-Volatile Memory
175
Index
176
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