Sensoray 2518 - Manual (Page 2)

Table of Contents
Sensoray Model 2518/2519 Ethernet Smart A/D™ i Table of Contents
Basics
1.1 Limited Warranty . . . . . . . . . . . . . . . . 1
1.2 Special Handling Instructions. . . . . . . 1
Introduction
2.1 Functional Description . . . . . . . . . . . . 2
2.1.1 Ethernet Base Unit
2.1.2 Smart A/D™ Daughter Boards
2.1.3 Software
2.2 Product Features . . . . . . . . . . . . . . . . . 3
2.3 Block Diagram . . . . . . . . . . . . . . . . . . . 3
2.4 Watchdog Timer . . . . . . . . . . . . . . . . 4
2.5 Reset State . . . . . . . . . . . . . . . . . . . . . 4
2.5.1 Reset State
2.6 Visual Indicators. . . . . . . . . . . . . . . . 4
2.6.1 Fault Indicator
2.6.2 Heartbeat Indicator
2.6.3 Network Status Indicators
Network Interface
3.1 The Smart A/D™ Paradigm . . . . . . 5
3.2 I/O Transaction Time. . . . . . . . . . . . 5
3.2.1 Influence of Network Traffic
3.3 IP Addresses . . . . . . . . . . . . . . . . . . . 5
3.3.1 IP Address Allocation
3.4 Supported Protocols . . . . . . . . . . . . . 5
3.4.1 Address Resolution Protocol (ARP)
3.4.2 Internet Protocol (IP)
3.4.3 Internet Control Message Protocol (ICMP)
3.4.4 User Datagram Protocol (UDP)
3.5 Network Architecture . . . . . . . . . . . 6
3.5.1 Trivial Networks
3.5.2 Non-Trivial Networks
3.6 Other Information Sources . . . . . . . 7
Configuration
4.1 Overview . . . . . . . . . . . . . . . . . . . . . . 8
4.2 Network IP Address Selection . . . . . 8
4.2.1 Shunt Locations
4.2.2 Programming the IP Address
4.2.3 Default IP Address
4.2.4 Choosing an IP Address
4.3 Model 518 Smart A/D™ Boards . . . 9
4.3.1 Shunt Locations
4.3.2 Base Address Selection
4.3.3 Signal Conditioning Circuits
4.3.4 Side Effects
4.3.5 Recommended Settings
4.3.6 Shunt Mapping
4.3.7 Default SCC Configuration
Sensor Connections
5.1 Overview . . . . . . . . . . . . . . . . . . . . . . 12
5.1.1 Sensor Hot Insertion
5.2 Terminal Block Pinouts . . . . . . . . . . 12
5.3 Sensor Channels . . . . . . . . . . . . . . . . 12
5.3.1 Sense Terminals
5.3.2 Excitation Terminals
5.3.3 Shield Terminal
5.4 RTDs, Resistors and Thermistors . . 13
5.4.1 Two-wire Circuit
5.4.2 Three-wire Circuit
5.4.3 Four-wire Circuit
5.4.4 Recommended Practice
5.5 DC Voltage Sources . . . . . . . . . . . . . 14
5.5.1 Recommended Practice
5.6 Thermocouples . . . . . . . . . . . . . . . . . 14
5.6.1 Recommended Practice
5.7 Strain and Pressure Gages. . . . . . . . 14
5.7.1 Recommended Practice
5.8 4-to-20 mA Current Loops . . . . . . . 15
5.8.1 Current Loop Excitation
Programming
6.1 Overview . . . . . . . . . . . . . . . . . . . . . . 16
6.2 Standardized Interface. . . . . . . . . . . 16
6.2.1 Distribution Diskette
6.2.2 API Functions
6.2.3 Channel Numbering Convention
6.3 Board Configuration Functions . . . 16
6.3.1 ResetBoard()
6.3.2 GetFaultFlags()
6.3.3 GetFWVersion()
6.3.4 SetHiSpeedMode()
6.3.5 SetReject50Hz()
6.4 Channel Configuration Functions . 17
6.4.1 SetSensorType()
6.4.2 SetFilter()
6.4.3 SetFailMode()