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CR1000X
Campbell CR1000X User Manual
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Table of Contents
Default Chapter
9
Table of Contents
9
1 Data Acquisition System Components
17
The CR1000X Datalogger
18
Overview
18
Operations
18
Programs
19
Sensors
19
2 Wiring Panel and Terminal Functions
21
Power Input
24
Powering a Datalogger with a Vehicle
25
Power LED Indicator
25
Power Output
25
Grounds
26
Communications Ports
28
USB Port
28
Ethernet Port
28
C Terminals for Communications
28
Ports
29
RS-232, RS-485, TTL, and LVTTL Ports
29
SDM Port
29
CS I/O Port
29
RS-232/CPI Port
30
Programmable Logic Control
30
3 Setting up the Data Logger
32
Setting up Communications with the Data Logger
32
Communications Options
32
USB or RS-232 Communications
33
Virtual Ethernet over USB (RNDIS)
34
Ethernet Communications Option
35
Configuring Data Logger Ethernet Settings
35
Ethernet Leds
36
Setting up Ethernet Communications between the Data Logger and
36
Testing Communications and Connecting
38
Completing Ezsetup
38
Making the Software Connection
39
Data Logger Program
39
Creating a Program in Short Cut
40
Sending a Program to the Data Logger
42
4 Data
44
Default Data Tables
44
Collecting Data
45
Collecting Data Using Loggernet
45
Collecting Data Using PC200W or PC400
45
Viewing Historic Data
46
Data Types and Formats
46
Variables
47
Data Storage
48
About Data Tables
49
Header Rows
50
Table Definitions
50
Data Records
52
Creating Data Tables in a Program
52
5 Data Memory
54
Memory Allocation
54
Sram
54
Flash Memory
55
Serial Flash Memory
55
Data Memory
55
USR Drive
56
CPU Drive
57
Microsd (CRD: Drive) Memory
57
Formatting Microsd Cards
58
Microsd Card Precautions
58
Act LED Indicator
58
File Management Via Powerup.ini
59
Syntax
59
Example Powerup.ini Files
60
6 Measurements
62
Voltage Measurements
62
Single-Ended Measurements
63
Differential Measurements
63
Reverse Differential
64
Improving Voltage Measurement Quality
64
Deciding between Single-Ended or Differential Measurements
64
Minimizing Ground Potential Differences
65
Detecting Open Inputs
66
Ground Potential Differences
66
Minimizing Power-Related Artifacts
67
Minimizing Electronic Noise
68
CR1000X Filtering Details
69
Filtering to Reduce Measurement Noise
69
Measuring Settling Time
70
Minimizing Settling Errors
70
Factors Affecting Accuracy
72
Measurement Accuracy Example
73
Minimizing Offset Voltages
73
Compensating for Offset Voltage
75
Measuring Ground Reference Offset Voltage
76
Current-Loop Measurements
77
Example Current-Loop Measurement Connections
78
Resistance Measurements
79
Resistance Measurements with Voltage Excitation
79
Strain Measurements
82
AC Excitation
84
Accuracy for Resistance Measurements
85
Thermocouple Measurements
85
Period-Averaging Measurements
86
Pulse Measurements
87
Low-Level Ac Measurements
89
High-Frequency Measurements
89
C Terminals
90
P Terminals
90
Switch-Closure and Open-Collector Measurements
90
C Terminals
91
Edge Timing and Edge Counting
91
Multiple Edge Counting
91
Single Edge Timing
91
Timer Input NAN Conditions
91
Quadrature Measurements
92
Pulse Measurement Tips
93
Input Filters and Signal Attenuation
93
Pulse Count Resolution
93
Vibrating Wire Measurements
94
Vspect
94
Sequential and Pipeline Processing Modes
94
Sequential Mode
95
Pipeline Mode
95
Slow Sequences
96
7 Communications Protocols
97
General Serial Communications
98
Modbus Communications
98
About Modbus
99
Modbus Protocols
100
Understanding Modbus Terminology
101
Connecting Modbus Devices
101
Modbus Master-Slave Protocol
102
About Modbus Programming
102
Endianness
103
Function Codes
103
Modbus Information Storage
104
Coils
104
Registers
104
Data Types
105
Signed 16-Bit Integer
105
Signed 32-Bit Integer
105
Unsigned 16-Bit Integer
105
32-Bit Floating Point
106
Unsigned 32-Bit Integer
106
Modbus Tips and Troubleshooting
106
Error Codes
106
Result Code -01: Illegal Function
106
Result Code -02: Illegal Data Address
107
Result Code -11: COM Port Error
107
Internet Communications
107
IP Address
108
Https
108
DNP3 Communications
108
Serial Peripheral Interface (SPI) and I2C
109
Pakbus Communications
109
Communications
110
Transparent Mode
110
Transparent Mode Commands
111
Programmed Mode/Recorder Mode
112
Programming the Datalogger to Act as an SDI-12 Sensor
112
Power Considerations
113
8 Maintaining Your Datalogger
115
Datalogger Calibration
115
About Background Calibration
116
Datalogger Security
116
Security Codes
118
Creating a .Csipasswd File
119
Command Syntax
120
Datalogger Enclosures
120
Internal Battery
121
Replacing the Internal Battery
122
Electrostatic Discharge and Lightning Protection
123
Power Budgeting
124
Updating the Operating System
125
Sending an Operating System to a Local Datalogger
126
Sending an Operating System to a Remote Datalogger
126
9 Tips and Troubleshooting
128
Checking Station Status
129
Viewing Station Status
129
Watchdog Errors
129
Results for Last Program Compiled
130
Skipped Scans
130
Skipped Records
130
Variable out of Bounds
131
Battery Voltage
131
Understanding NAN and INF Occurrences
131
Timekeeping
132
Clock Best Practices
132
Time Stamps
132
Avoiding Time Skew
133
Crbasic Program Errors
133
Program Does Not Compile
134
Program Compiles but Does Not Run Correctly
134
Resetting the Datalogger
134
Processor Reset
135
Program Send Reset
135
Manual Data Table Reset
135
Formatting Drives
136
Full Memory Reset
136
Troubleshooting Power Supplies
136
Minimizing Ground Loop Errors
137
Field Calibration
138
File System Error Codes
138
File Name and Resource Errors
139
Background Calibration Errors
140
Information Tables and Settings (Advanced)
140
Information Tables Directories
141
Frequently Used
141
Communications
142
General Communications
142
Pakbus Communications
142
Background Calibration
143
Data
143
OS and Hardware Versions
143
Power Monitoring
143
Security
143
TCP_IP Communications
143
Datatableinfo Table System Information and Settings
144
Information Tables and Settings Descriptions
144
Signatures
144
Status Table System Information and Settings
145
Device Configuration Utility Settings
153
10 Specifications
178
System Specifications
178
Physical Specifications
179
Power Requirements
179
Power Output Specifications
180
System Power out Limits (When Powered with 12 VDC)
180
And SW12V Power Output Terminals
180
And 3.3V
181
C as Power Output
182
CS I/O Pin
182
Analogue Measurements Specifications
182
Voltage Measurements
182
Resistance Measurements Specifications
184
Period-Averaging Measurement Specifications
184
Current-Loop Measurement Specifications
185
Pulse Measurement Specifications
185
Switch Closure Input
186
High-Frequency Input
186
Low-Level Ac Input
186
Quadrature Input
187
Digital Input/Output Specifications
187
Switch Closure Input
187
High-Frequency Input
188
Edge Timing
188
Edge Counting
188
Quadrature Input
188
Pulse-Width Modulation
188
Communications Specifications
189
Standards Compliance Specifications
190
Specifications
190
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Campbell CR1000X Specifications
General
Brand
Campbell
Model
CR1000X
Category
Data Loggers
Language
English
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