用户手册 — Texas Instruments S251B

目录

• General

  7
• System Description

  7
• Product Description

  7
• General

  10
• Product Description

  10
• Mechanical Information

  22
• Introduction

  24
• Types of Synchronization

  24
• Introduction

  30
• General

  30
• Mechanical Mounting

  30
• Communication

  31
• Synchronization

  34
• General Purpose Input/Outputs

  38
• LED Outputs

  39
• Reset

  39
• Antenna

  40
• 4.10 RF Power Output Adjustment

  40
• Figure 1: S251B Reader

  7
• Figure 2: S251B Front Panel (with connector covers removed)

  10
• Figure 3: S251B Connector Locations

  11
• Figure 4: CTL Setup Switches

  20
• Figure 5: RS422/RS485/DAT Switches

  21
• Figure 6: Synchronization DIP Switches

  21
• Figure 7: Distance between Antennas (top view)

  28
• Figure 8: Switch Settings for RS422

  33
• Figure 9: Switch Settings for RS485

  33
• Figure 11: Master/Slave Sync. Interface Connection (without Ack.)

  35
• Figure 12: Master/Slave Synchronization Interface Connection

  36
• Figure 13: Carrier Phase Synchronisation Interface Connection

  37
• Figure 14: Connecting the LED Outputs

  39
• Figure 15: RESET Push-button Wiring

  39
• Table 1: List of Connectors

  11
• Table 2: Power Range Settings

  12
• Table 3: Supply Connector

  12
• Table 4: Supply Connector - Specifications

  13
• Table 5: General Purpose Inputs/Outputs

  13
• Table 6: General Purpose Inputs/Outputs - Specifications

  14
• Table 7: Synchronization Interface

  14
• Table 8: Synchronization Interface - Specifications

  14
• Table 9: Carrier Phase Synchronization Interface

  15
• Table 10: CPS Interface - Specifications

  15
• Table 11: Open Collector & I/Os

  16
• Table 12: Open Collector & I/Os - Specifications

  16
• Table 13: RS232 SUB-D Connector

  17
• Table 14: RS232 WECO Connector

  17
• Table 15: RS422/RS485 Connector

  18
• Table 16: RS422/RS485 Communications Interface - Specifications

  18
• Table 17: Indicator Outputs

  19
• Table 18: Indicator Outputs - Specifications

  19
• Table 19: Antenna

  19
• Table 20: Antenna - Specifications

  19
• Table 21: CTL Setup DIP Switches

  20
• Table 22: I/O Setting Switches (6 & 7)

  20
• Table 23: RS422/RS485/DAT Settings DIP Switches

  21
• Table 24: Synchronization DIP Switches

  21
• Table 25: Indicators

  22
• Table 26: Mechanical Information

  22
• Table 27: Distances Between Antennas

  28
• Table 28: RS232 9-pin Connector

  31
• Table 29: RS232 WECO Connector

  32
• Table 30: RS422/RS485 Connector

  33
• Table 31: Wired and Combined Wireless/Wired Synchronization

  34
• Table 32: Master/Slave Synchronization Without Acknowledgement

  35
• Table 33: Triggered Synchronization

  35
• Table 34: Master/Slave Synchronization With Acknowledgement

  36
• Table 35: General Purpose Inputs/Outputs

  38
• Table 36: Antenna Specifications

  40
• 1.1 General

  7
• 1.2 System Description

  7
• 1.3 Product Description

  7
• Interfaces

  8
• Communications Protocols

  8
• 2.1 General

  10
• 2.2 Product Description

  10
• 2.2.1 Connectors

  11
• 2.2.1.1 A - Supply Connector

  12
• 2.2.1.2 B - General Purpose Inputs/Outputs

  13
• 2.2.1.3 C - Synchronization Interface

  14
• 2.2.1.4 D - Carrier Phase Synchronization Interface

  15
• 2.2.1.5 E - Open Collector & I/Os

  16
• 2.2.1.6 F1 & F2 - RS232 Communication Interface

  17
• 2.2.1.7 G - RS422/RS485 Communications Interface

  18
• 2.2.1.8 H - Indicator Outputs

  19
• 2.2.1.9 I - Antenna Connector

  19
• Switches

  20
• Indicators

  22
• 2.2.4 Potentiometers

  22
• 2.2.4.1 RF Power Adjustment

  22
• 2.2.4.2 EMI / Sync. Level Adjustment

  22
• 2.3 Mechanical Information

  22
• 3.1 Introduction

  24
• 3.2 Types of Synchronization

  24
• No Synchronization

  24
• Wireless Synchronization

  25
• Wired Synchronization

  25
• Combined Wireless/Wired Synchronization

  25
• 3.2.5 Master/Slave Synchronization

  26
• 3.2.5.1 M/S Synchronization without Acknowledgement.

  26
• 3.2.5.2 M/S Synchronization with Acknowledgement.

  26
• 3.2.5.3 Triggered Synchronization

  27
• Carrier Phase Synchronization

  27
• 4.1 Introduction

  30
• 4.2 General

  30
• 4.3 Mechanical Mounting

  30
• Power Supply

  30
• 4.4 Communication

  31
• Configuration

  31
• 4.4.2 RS232

  31
• 4.4.2.1 Activation

  32
• RS422

  32
• RS485

  33
• 4.5 Synchronization

  34
• Software Controlled

  34
• Wireless Synchronization

  34
• Wired and Combined Wireless/Wired Synchronization

  34
• Master/Slave (without acknowledgement) & Triggered Synch

  35
• Master/Slave (with acknowledgement)

  36
• Transmitter Carrier Phase Synchronisation (CPS)

  37
• 4.6 General Purpose Input/Outputs

  38
• 4.7 LED Outputs

  39
• 4.8 Reset

  39
• 4.9 Antenna

  40
• 4.10 RF Power Output Adjustment

  40
• 4.11 EMI / Sync. Level Adjustment

  40
• 5.1 FCC/PTT Regulations

  42
• 5.3 WARNING

  42