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Rockwell Automation Publication 857-UM002C-EN-P - February 2018

9

Layout

Chapter 1

Figure 3 - 857-RAD RTD Scanner with mA inputs/outputs

1. Grounded metal enclosure

2. Glass Fiber Rx communication

3. Glass Fiber Tx communication

4. Not used on this model

5. Not used on this model

6. Address DIP switch

7. RTD inputs (12 channels, 3-wire conn shield / channel)

8. Power connector and earthing connection

9. PTC input (2-wire connection)

10. Four mA inputs / four mA outputs (2-wire connection /channel)

11. DIN Rail mounting

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Содержание 857-RAA

Страница 1: ...857 RAA 857 RAD RTD Scanner Catalog Numbers 857 RAA 857 RAD User Manual OriginalInstructions...

Страница 2: ...nformation circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited T...

Страница 3: ...or PTC Connections 16 Chapter4 Configure the Base 857 Relay Connect a Bulletin 857 Relay to PC 17 Connect to the 857 RAA RTD Scanner 18 Protocol Configuration to Connect the 857 RAA to the 857 18 Exte...

Страница 4: ...ebruary 2018 Table of Contents AppendixA Configure the 857 RAD Analog Outputs Example 1 mA Output Scaling for IL 35 Example 2 mA Output Scaling for ULine 36 Example 3 mA Output Scaling for Bidirection...

Страница 5: ...on 857 Protection System for Feeder and Motor Protection Series A publication 857 UM001 Providesinformationonparameters installation dimensions troubleshooting control functions and specifications Set...

Страница 6: ...6 Rockwell Automation Publication 857 UM002C EN P February 2018 Preface Notes...

Страница 7: ...A uses one fiber optic cable only TX while the 857 RAD uses a dual fiber optic cable configuration TX and RX The RTD scanners can also be mounted remotely up to 2000 m from the base 857 relay Catalog...

Страница 8: ...ounded metal enclosure 2 Glass fiber Tx communication 3 Not used on this model 4 RTD inputs 12 channels 3 wire connection shield channel 5 Power connector and earthing connection 6 DIN rail mounting F...

Страница 9: ...closure 2 Glass Fiber Rx communication 3 Glass Fiber Tx communication 4 Not used on this model 5 Not used on this model 6 Address DIP switch 7 RTD inputs 12 channels 3 wire connection shield channel 8...

Страница 10: ...10 Rockwell Automation Publication 857 UM002C EN P February 2018 Chapter 1 Layout Notes...

Страница 11: ...Scanner Figure 5 Dual Glass Fiber Connection to the 857 RAD Scanner and the 857 Relay Fiber Optic Interface Module mounted to the Option Module 857 RAA Fiber Tx Multimode Fiber Optic Cable Diameter 62...

Страница 12: ...e 857 RAD scanner The slave address must match the setting in the base 857 relay The switch position is ON when the switch is turned DOWNWARDS Table 1 LE 1 Optical Fiber Communication Setup Position F...

Страница 13: ...lock of 256 addresses 0 255 However it is very important to note that the Modbus protocol that is used between the RTD scanner and the base 857 relay restricts the use of addresses 0 and others larger...

Страница 14: ...14 Rockwell Automation Publication 857 UM002C EN P February 2018 Chapter 2 Application Notes...

Страница 15: ...r 3 Wiring Configurations RTD Connections RTD connections are the same for all versions of the RTD Scanners Figure 7 shows the proper way to connect RTDs Figure 7 Connections of RTDs Typical Recommend...

Страница 16: ...D mA Input and mA Output Connections The RTD channel number for each terminal connection can be confirmed by viewing it from the top of the RTD scanner see Figure 3 Recommended RTD Cable type Shielded...

Страница 17: ...3 3 to the front panel of the relay Figure 7 Figure 10 Connecting Cable 857 VX003 3 to the Front Port on the 857 Relay For more information about communication between Bulletin 857 relay and a PC refe...

Страница 18: ...nfiguration in SetPointPS 2 In the Extension Port protocol section confirm External I O is selected 3 If it is not click the pulldown menu and select External I O a IMPORTANT The unit Bulletin 857 rel...

Страница 19: ...t to 9600 bits per second bps and the Data Parity is always Even The 857 RAA input settings are shown in Table 4 IMPORTANT If a parameter is changed it will be highlighted in red This indicates that a...

Страница 20: ...guration Table 5 RTD Inputs Quick Setup Parameters 1 1 Only the first 12 channels are used for RTD inputs Channels 13 16 only used with 857 RAD Parameter Value s To Modify AI Enabled On Off 1 Select t...

Страница 21: ...device The available address range is 1 247 See the side and top of the 837 RAD enclosure for switch position Figure 3 The baud rate is fixed at 9600 bps with even parity Protocol Configuration for 85...

Страница 22: ...Even The External I O Bit Rate should be set to 9600 bits per second bps and the Data Parity is always Even The 857 RAA input settings are shown in Table 6 IMPORTANT If a parameter is changed it will...

Страница 23: ...or details of the Output Matrix configuration Table 7 RTD Inputs Quick Setup Parameters Parameter Value s To Modify AI Enabled On Off 1 Select the row of the channel you want to modify 2 Choose the de...

Страница 24: ...te location under the AI Enabled area Turn ON or OFF each individual channel These will be the last four lines of the table AI Slave Address 1 247 The AI Slave Address must match the hardware selectio...

Страница 25: ...O protocol selection is RTDinput the AI Slave Address AI Modbus Address AI Register Type and AI Signed can be left to their default values Table 8 Parameter Values and Description Parameter Value Exp...

Страница 26: ...in the 0 20 mA range Table 9 857 RAA RAD External I O Registers Modbus Register Properties RTD Channel 1 resistance 301 Read RTD Channel 2 resistance 302 Read RTD Channel 3 resistance 303 Read RTD Cha...

Страница 27: ...the values set for the parameters mA Min mA Max Linked Val Min Max and Modbus Min Max parameters mA Min User defined See Table 11 on page 28 for the various measurandsthat canbe linkedtoany of the fo...

Страница 28: ...35 This is the maximum value which is sent to the 857 RAD via Modbus protocolinordertosetthemaximum value for the mA Max parameter Typical values mA Max 20 is equal to a Modbus Max 20000 The relations...

Страница 29: ...the 857 RAD is lost when using Modbus RTU protocol then Each sensor channel value freezes AI error counter increases in the External analog inputs menu There are two status indicators within the Outpu...

Страница 30: ...30 Rockwell Automation Publication 857 UM002C EN P February 2018 Chapter 4 Configure the Base 857 Relay Notes...

Страница 31: ...time s 1 for all channels mean value 1 RTD open circuit detection 450 RTD short circuit detection 1 RTD sensor function Off Winding Bearing Ambient Other Table 13 Analog Inputs 1 1 857 RAD only Descri...

Страница 32: ...AWG Table 17 Supply Voltage Description Value Rated voltage See Catalog Number Explanation on page 7 Power consumption W 1 normal conditions Terminal block maximum wire dimensions Phoenix MSTB or equi...

Страница 33: ...s III 6 kV contact discharge 8 kV air discharge Fast transients EFT EN 61000 4 4 class III 2 kV 5 50 ns Surge EN 61000 4 5 class III 1 kV differential mode 2 kV common mode Conducted RF IEC EN 61000 4...

Страница 34: ...34 Rockwell Automation Publication 857 UM002C EN P February 2018 Chapter 5 Specifications Notes...

Страница 35: ...IL AO Link measurand IL Minimum Analog Output value 0 mA Maximum Analog Output value 20 mA Linked minimum value 0 A Linked maximum value 300 A Modbus minimum value 0 Minimum Analog Output value x 100...

Страница 36: ...A Output Scaling for ULine AO Link measurand ULine Minimum Analog Output value 4 mA Maximum Analog Output value 20 mA Linked minimum value 0V Linked maximum value 15 000V Modbus minimum value 4000 Min...

Страница 37: ...or Bidirectional Power Minimum Analog Output value 4 mA Maximum Analog Output value 20 mA Linked minimum value 2000 kVAR Linked maximum value 6000 kVAR Modbus minimum value 4000 Minimum Analog Output...

Страница 38: ...38 Rockwell Automation Publication 857 UM002C EN P February 2018 Appendix A Configure the 857 RAD Analog Outputs Notes...

Страница 39: ...Rockwell Automation Publication 857 UM002C EN P February 2018 39 Appendix B Construction and Mounting Figure 16 DIN rail Mounting...

Страница 40: ...40 Rockwell Automation Publication 857 UM002C EN P February 2018 Appendix B Construction and Mounting Figure 17 Wall Mounting...

Страница 41: ......

Страница 42: ...Codes Find the Direct Dial Code for your product Use the code to route your call directly to a technical support engineer http www rockwellautomation com global support direct dial page Literature Lib...

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