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78581B
Agilent Technologies 78581B User Manual
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Part N
umber 78581-92000
Printed in the U
.S.A. F
ebruar
y 1, 2001
Fir
st Edit
ion
Inst
al
lation
and
Service
Guid
e
Agilent
Serial
Distribution
Network
(SDN)
78581B
Ag
ilent
CareNet
Controller
(ACC)
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
7
SDN System Description
7
SDN Components
7
SDN Operation
7
Operating Reliability - Failure/Restart
9
SDN Configurations
9
Agilent Carenet Controller (ACC), Model 78581B
10
ACC Controls and Indicators
11
ACC Servicing
11
Cables, Wall Boxes, and Faceplates
12
Branch Cables
12
Local Distribution Cables (LDC)
12
Wall Boxes and Face Plates
12
SDN Components
13
78599AI SDN Cabling Installation Kits
13
M3199AI Installation Materials
14
M3180A Wall Mount Kit
14
Intended Use of Device
14
2 Theory of Operation
15
Overview
15
SDN Theory of Operation
16
SDN General Description
16
Logic Convention
17
SDN Topology
19
Applications of SDN Operation
20
Instrument Communication on the SDN
20
SDN Timing Overview
21
Autopoll Mode
22
SDN Data Structure - System and Instrument Messages
22
System Messages
22
Instrument Messages
23
SDN Normal Operation
24
SDN Data Timing Specifications
24
Instrument Status Message
24
Sdn/Autopoll
25
Online/Offline
25
Network/Local
25
SDN Status and Error Conditions
25
ACC Error Conditions - SDN Failure Detection
26
ACC Theory of Operation
27
Main PCB (78581-60200)
27
Transition Board (78581-61253)
28
Power Supply (M2604-60002)
28
3 SDN and ACC System Level Troubleshooting
29
SDN Troubleshooting Overview
29
Troubleshooting Resources, Tools, and Equipment
31
STEP #2: Examine System and Gather Symptoms
33
SDN Connections
33
Noisy Branch
34
Diagnose the Problem as SDN or Non-SDN
34
SDN and Non-SDN Related Problems
35
Action
35
STEP #3: Evaluate the Breadth of the Problem
36
Action
36
STEP #4: Self-Test Check of SDN Interface Circuitry
36
STEP #5: Isolating a Problem on a Local Distribution Network (LDN) with Two or more Instruments
39
Miscellaneous Items
40
Recap of Troubleshooting Procedures
40
Reverification Instructions
41
Hardware Problems
42
Verify Instrument End of the Branch Cable
42
SDN Bedside
43
Verify Proper Operation of Priority Wires
43
Ground Check Procedure
44
4 ACC Maintenance
45
ACC Failure, Power Up, and Power down Procedures
45
5 Parts List
47
Part Numbers
47
6 Component Installation and Disassembly Procedures
51
Overview
51
Typical SDN System Interconnecting Parts
51
Installation Responsibilities-Customer and Agilent Technologies
52
Customer Installation Responsibilities
52
Agilent Installation Responsibilities
53
7 Site Preparation/Installation Checklists
55
Introduction
55
Verification Procedures
62
Overview of SDN/ACC Installation and System Communication Verification Procedures
62
Planning and Configuration Review
62
Standalone Instrument Verification and Installation
62
8 Installation
63
SDN Installation
63
SDN Wiring Installation
63
Instrument Connection to the SDN
63
System Communication Verification
63
Practical Checks
63
Test and Inspection Procedures
64
When to Perform
66
Installation Tools, Materials, and Equipment
66
SDN Installation Restrictions and Limitations
66
Acc
67
Cables
67
Wall Boxes
68
ACC Mounting Location
68
Rack Mounting
68
Service Access
68
AC Power Source
68
Important Instructions
69
Environmental Conditions
69
ACC Wall Mounting Procedures and Power Installation
70
Plywood Panel Mounting Procedures - Customer's Responsibility
70
ACC Wall Mounting Procedures
70
Install Cable Enclosures, Wall Boxes, and Branch Cables
71
Install Branch Cable Enclosures
71
Selecting Conduit Size
71
Formula
72
Example
72
Install Standard NEMA Switch Wall Boxes
73
Install Branch Cables
73
SDC Standard System Distribution Cable
74
XSDC Extended System Distribution Cable
74
Unshielded Twisted Pair Distribution Cable
74
SDC and XSDC Wall Box Connections
74
SDN on UTP Wall Boxes Connections
77
UTP Connections
78
Parts Required
78
Equipment Needed
78
Procedures
80
ACC Procedures (78581B)
80
Perform Final Operational Check
80
Serial Communication Controller (SCC) Procedures (78581A)
81
Terminate UTP Cable at Patch Panel
81
Terminate UTP Cable at Wall Box
82
Qualify UTP Cable
83
Install Local Distribution Cables
85
Connect LDC from Wall Box to Instrument(S)
86
Terminate Variable Length LDC
87
Terminate SDC and XSDC Connections
88
9 SDN/ACC System Safety
91
Compliance with IEC 60601-1-1
91
Device Grounding on the SDN
92
10 SDN/ACC Specifications
93
SDN Specifications
93
ACC Specifications
95
Cleaning
96
System Symbols
96
Contacts
97
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Agilent Technologies 78581B Specifications
General
Brand
Agilent Technologies
Model
78581B
Category
Controller
Language
English
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