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Honeywell ERX 350, Quick Start Manual, Page: 11 / 19

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Honeywell ERX 350 Quick Start Manual Download Page 11

7 Serial Connections via RS-232 or RS-485

Connections to the ERX 350 serial communication interface are shown in the image below.  Interface
options at TB4 on the I/O Board allow for RS-232 or RS-485 (2-wire).

RS-232 Connections:

TXD is at TB4 pin 1

RXD is at TB4 pin 2

GND is at TB4 pin

RS-485 Connections (2-wire):

‘A’ is made at TB4 pin 1 (TXD)

‘B’ is made at TB4 pin 2 (RXD)

Jumpers: JP1 and JP2 positions:

RS-232: Jumpers on pins: B-C

RS-485: Jumpers on pins: A-B

Ensure Item 1220 (Serial Interface Type) is configured for the appropriate serial interface type:
RS-232 or RS-485

7 Serial Connections via RS-232 or RS-485

Honeywell

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Summary of Contents for ERX 350

Page 1: ...Version 1 October 2017 Honeywell Process Solutions Mercury Instruments 512 Virginia Drive Ft Washington PA 19034 USA 855 251 7065 United States Canada 302 669 4253 Outside the United States MI TAC Support Honeywell com www honeywellprocess com ...

Page 2: ...oftware may be used or copied only in accordance with the terms of those agreements No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or any means electronic or mechanical including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Honeywell Process Solutions For technical assista...

Page 3: ...with a path forward to support new technologies The ERX 350 installation consists of mounting and wiring ERX 350 according to the instructions given in the User s Manual Read the installation information provided in the ERX 350 User s Manual and refer to the section Model number interpretation for more details on ERX 350 model you have selected 1 1 Components inside the ERX 350 Depending on option...

Page 4: ...thium extended life or heavy usage comms applications Item 1061 Battery Type is used to select the type of battery pack that is to power the instrument Verify item 1061 is correctly configured for the installed battery pack 0 4 D Cell Alkaline Receptacle Pack for EC350 only Default 1 2 D Cell Lithium Sealed Pack for EC350 only 2 Dual 2 D Cell Lithium Sealed Packs connected in parallel for EC350 on...

Page 5: ...external supply are made at connector TB1 on the ERX 350 I O Board Terminal 1 of TB1 closest to the top of the I O Board is negative and Terminal 3 is positive input These Battery Packs can be connected to the I O board using cable p n 40 6045 A backup battery pack may also be installed to keep power on the instrument in situations where the external power is interrupted Notice for Class 1 Div 2 c...

Page 6: ...attery powered For Alarm triggering three 3 consecutively low readings are required to the trip the associate Alarm This is done to help guard against falsely setting alarm due to a supply glitch The Low Battery Voltage Alarm Item 99 will not set if there is an External Supply voltage at TB1 greater than the Battery voltage by over 1 0 volt 2 Powering the ERX 350 Honeywell 4 ...

Page 7: ...B C Metrological Jumper is generally not required for ERX Recorders Digital Input connections are made at SW1 SW2 SW3 Input SW4 is not utilized See Items 762 764 for Digital Input configurations to enable Digital Input Alarms Figure 3 1 I O Board Connections 3 General Connection Diagram Honeywell 5 ...

Page 8: ...ure line on the pressure transducer connector to ensure proper sealing and to avoid stress loading on the composite case Figure 4 1 Locations for P1 and P2 Pressure Transducer connectors Note To avoid over pressurizing the transducers it is extremely important to ensure the pressure transducer s can handle the pressure from the gas line s Check Items 570 P1 Transducer Range 571 P2 Transducer Range...

Page 9: ...ation for P2 1052 P1 Transducer Enable Yes No enable disable measurement of P1 gas pressure 1053 P2 Transducer Enable Yes No enable disable measurement of P2 gas pressure 1055 T1 Temp Probe Enable Yes No enable disable measurement of T1 gas temperature Measurement Items 500 P1 Gas Pressure measured value of P1 gas pressure 501 P2 Gas Pressure measured value of P2 gas pressure 502 T1 Gas Temperatur...

Page 10: ...ng when the ERX 350 is ready to communicate in IrDA mode After an inactivity timeout period the unit will automatically turn off the IrDA subsystem to save battery power Icon will be turned off To help save Battery life remove the entire IrDA adapter from the ERX 350 when IrDA communications are no longer required See MasterLink R510 User Guide to configure the software setting for IrDA communicat...

Page 11: ...RS 232 Connections TXD is at TB4 pin 1 RXD is at TB4 pin 2 GND is at TB4 pin RS 485 Connections 2 wire A is made at TB4 pin 1 TXD B is made at TB4 pin 2 RXD Jumpers JP1 and JP2 positions RS 232 Jumpers on pins B C RS 485 Jumpers on pins A B Ensure Item 1220 Serial Interface Type is configured for the appropriate serial interface type RS 232 or RS 485 7 Serial Connections via RS 232 or RS 485 Honey...

Page 12: ... per second HMI Level 2 Structured menu format with submenus used for viewing and configuring many of the parameters Items of the ERX 350 A passkey is required to access this mode Level 2 menu also includes submenus to check validate P and T measurements Clear Alarms Force Alarm Schedule Call Ins enter User Shutdown mode Reset or Change Battery etc HMI Level 3 Structured menu format with submenus ...

Page 13: ...ous levels The following table lists main menu keys Keys Description Up and Down Arrow keys Navigate Up or Down menu tree and scrolling through lists Increase decrease digit values Main menus allow navigating in reverse direction roll backwards Left and Right Arrow keys Move cursor left or right to next or previous digit or decimal point OK Enter key Used for accepting input entries Confirming men...

Page 14: ...e 2 Press the you will now see HMI Menu for Level L0 Item Scroll List Note The Icon will appear on the far right bottom corner of the LCD to indicate HMI User Access is enabled Use to navigate up down to any of the four HMI Menus Levels L0 L3 To select a particular menu Level 0 3 press key 10 Activating HMI Unlocking Keys Honeywell 12 ...

Page 15: ...Use or to scroll to L2 or L3 of the HMI Main Menu screen L2 Main Menu shown here 3 Once you have scrolled down to the desired L2 or L3 Main Menu selection screen Press to view the Passcode main screen 4 Passcode screen will not appear if you have already properly entered the passcode for that Level 11 HMI Level 2 or 3 Passcode Entry Honeywell 13 ...

Page 16: ...xcept for Pass code entry Use or to move the cursor left or right to the desired digit Once cursor is under the desired digit then it can be changed see next step Use or to increment or decrement a digits value that is positioned above the cursor Finally press when value is set properly to store in non volatile memory Example below change SITE ID 1 from 00000000 to 00001000 12 HMI Changing an Item...

Page 17: ... see Icon D below IrDA Comm indicates that the IrDA adapter magnet is present Escape key function indicator On indicate key should be functional Navigation key function indicator used to help indicate which keys are active at the moment Icon s being On indicate key should be functional OK Enter key function indicator Used to accept values or enter a particular screen page of HMI On indicate key sh...

Page 18: ... Link 2 Refer to the Cloud Link Quick Start Guide and User Manual for more information on using the Cloud Link Modem 3 Ensure to the RS232 485 section switch is in position to operate in RS 485 mode The switch must be moved to position closest to power connectors on Cloud Link modem See image below switch is in position to select RS 485 4 Ensure Cloud Link Item 3075 is configured for RS 485 mode 1...

Page 19: ...ll In Retry By Set to Instrument 339 Schedule Call Phone 1 set to appropriate IP or landline tel 784 Alarm Call Phone 2 set to appropriate IP or landline tel 785 Alarm Call Phone 1 set to appropriate IP or landline tel 786 Failed Call Retry A Interval set to 10 minute or as required 787 Failed Call Retry B Interval set to 10 minute or as required typically 1440 788 Failed Call Retry A Count typica...

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