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– RS485 Digital Output

Chapter 12

| RS485 Digital Output

The

MX 32

units using the

RS485 Modbus

option are equipped with a

communication card (code 6451680), which is affixed to the motherboard.
This card generates a RS485 output in

Modbus RTU

format.

Card description

Figure 41: RS485 card

Rep. Function

Operating LEDs. The

LED lights up when a data thread is

received. The

LED indicates that the card has power and turns

off when data is being transmitted out.

Connection terminal:

A = Tx or +RS485

B = Rx or

–RS485

End Of Line (EOL) resistance. Set the switch to the EOL position for
the unit that is the last module in the RS485 network. For other
units, set the switch to NO EOL.

The RS485 output can be configured using the

COM 32

software, or using

unit menu

2.4 Program >RS485 Port

(see page 36).

Содержание MX 32

Страница 1: ...User Manual MX 32v2 Analog and Digital Controller Part Number NP32V2EN Revision C 0 The Fixed Gas Detection Experts...

Страница 2: ...Oldham S A S is forbidden The information contained in this manual is accurate to our knowledge As a result of continuous research and development the specifications of this product may be modified at...

Страница 3: ...32 Software 6 Chapter 3 Mechanical Installation 7 MX 32 Controller 7 Gas detectors 8 Digital Modules 8 Chapter 4 The MX 32 Controller 9 Overview of the Unit 9 Front Plate 12 Alarm Thresholds and Rela...

Страница 4: ...lacement of the lithium battery 47 Chapter 10 Certificate of Compliance 49 Chapter 11 Technical Specifications 51 MX 32 Controller 51 Relay Module 53 16 Logic Input Module 53 8 Analog Input Module 54...

Страница 5: ...e reading of this manual In spite of our efforts to produce an error free manual it may nonetheless contain some unintentional technical inaccuracies In the client s interest Oldham reserves the right...

Страница 6: ...us consequences on the safety of persons Please be extremely rigorous as regards electricity and assembly coupling network connections Cables with an operating temperature of 70 C minimum 158 F must b...

Страница 7: ...1 or 2 lines different modules analog or digital detectors logic inputs analog inputs relay outputs and analog outputs The MX 32 instantly handles the measurements of detectors and input modules As s...

Страница 8: ...rs as well as digital modules MX 32 Configuring PC with the COM 32 application Digital detectors 2 logic inputs Analog recorders Four 4 20mA Analog Output Module 8 Relay Output Module Logic Input Modu...

Страница 9: ...On each line it is possible to connect 4 20mA analog detectors or digital addressable modules Maximum Capacity Version Detectors Analog Input Modules Relay Output Modules Logic Input Modules Analog Ou...

Страница 10: ...rst two digits in this case 17 correspond to the year of manufacture in this case 2017 7 Variant 1 or 2 lines to work with 4 20mA analog detector or Oldham digital detector or 2 channels to work with...

Страница 11: ...y dust and temperature variations It shall preferably be located in a monitored environment for instance guardhouse control room or instrument room etc Attachment of the wall enclosure Access to the c...

Страница 12: ...operators The detectors must not be obstructed by anything that will prevent them from measuring the ambient environment to be checked Digital Modules For cabling and electrical information see paragr...

Страница 13: ...it graphic LCD display F Toggle Latch one is lockable B Zone 1 status indicator G Power On Off indicator C Zone 2 status indicator H Failure maintenance indicator D Integrated siren option J Contextua...

Страница 14: ...ort C On board additional flashlight option D Programming or mode selector 0 MX 32 in normal operation 1 Read Write configuration program 2 MX 32 firmware update via a PC Once the unit configuration o...

Страница 15: ...ime per sec Off Communication failure Absence or failure of one module On communication failure the internal buzzer the failure indicator and the Fault relay are activated Off Off No active module is...

Страница 16: ...to activate the relay Depending on user s programmation a FAUT event can be treated as an alarm event S Relays status DEL indicator Illuminated when the corresponding relay coil is ON T 4 Amp fuse pr...

Страница 17: ...cordance with the program In parallel the display indicates OVS acknowledgement must be done manually and is only possible if the current value drops below the programmed value Management of Non Ambig...

Страница 18: ...s modules of the zone Off All detectors of the corresponding zone have been turned off Solid At least one detector of the corresponding zone is communicating Blinking Detailed information of one detec...

Страница 19: ...al operation mode so it does switch over in the event of a power supply failure The internal buzzer is activated on the appearance of any event failure or alarm The sound differs depending on the even...

Страница 20: ...must be reset by the operator Alarm management relays visual indicators buzzer is as follows Event Display Alarm Relay normal mode Alarm Relay buzzer mode Alarm LED Internal buzzer Alarm Appearance A...

Страница 21: ...used with the single line version and up to 10 modules can be used with the 2 line models The MX 32 in bridge version is not compatible with any modules see Table 1 The following table lists the avail...

Страница 22: ...t module No bare wire should remain apparent For protection against electromagnetic interference the shield or braid should be cut as short as possible and necessarily connected Figure 11 Connection o...

Страница 23: ...0 Table 5 Addressing table address depends on the position of the switches Remarks The physical address of a module 1 to 32 max must be identical to the registered address via COM 32 software configur...

Страница 24: ...g table Term Symbol Slave number Num ro esclave See details in the paragraph Module Address on page 18 Frame filling Remplissage de trame Factory settings Do not modify Delay Temporisation Factory set...

Страница 25: ...elays are Reset Inhibit minimum time of activation adjustable from 0 to 900 seconds Automatic reset If activated the time is adjustable between 15 and 900 seconds beyond which the relay is automatical...

Страница 26: ...C Logic inputs 1 to 16 Figure 17 16 Logic Input Module A DIP switches These DIP switches are set according to the following table Term Symbol Slave number Num ro esclave See details in the paragraph M...

Страница 27: ...8 8 Analog Input Module Introduction Ref Description Figure 19 8 Analog Input Module A Configuration jumper 4 20mA or Wheatstone bridge B Span settings C Zero settings D Channel Offset E Bridge sensor...

Страница 28: ...the Analog Input Module Connection Refer to Chapter 6 on page 27 Configuration Configured via the COM 32 application Note related to manual calibration of the detectors connected to an 8 analog input...

Страница 29: ...outputs F F1 to F4 current output settings Press D and set to 20mA Figure 21 4 Analog Output Module A Logic input connectors Each of these two terminals Figure 21 may be connected to a voltage free co...

Страница 30: ...26 MX 32v2 User Manual...

Страница 31: ...be used in the end application and shall be according to local rules standards for MX 32 product Cables with an operating temperature of 70 C minimum 158 F must be used because the temperature inside...

Страница 32: ...ply with the class of protection it is absolutely necessary to connect the ground terminal to the Earth of the site Figure 24 A Moreover the cable braids of the digital and analog lines shall also be...

Страница 33: ...e gas detector to a Wheatstone type MX 32 Internal alarm relays The MX 32 has 5 internal relays Output Function R1 Programmable Alarm Relay R2 Programmable Alarm Relay R3 Programmable Alarm Relay R4 P...

Страница 34: ...32 application and can be set as energized or de energized Remote Acknowledgement Connector If necessary connect the ACQUIT dry contact relay NC terminal to a remote acknowledgement system Figure 28...

Страница 35: ...nnection of the 8 analog input modules with 4 20mA detector Figure 32 connection of the 8 analog input module with Wheatstone Bridge detector If this module is the last of the line do not forget to se...

Страница 36: ...If this module is the last of the line do not forget to set the switch marked EOL Resistor FDL resistance to the ON position Positioned contact Positioned contacts To the next module To MX 32 or the p...

Страница 37: ...page 35 See page 36 See page 36 4 MAINTENANCE 5 INFORMATION See page 40 See page 41 Figure 34 General menu tree of the MX 32 Navigation Key Functions Key Function Vertical displacement in the selected...

Страница 38: ...Next detector Display of measurements of next detector scanning of all the detectors on all the lines Menu Display of main menu See paragraph Main menu on page 35 See 4 Detectors Display of a group o...

Страница 39: ...controller is protected by two access codes both set at 1000 by default upon leaving the factory You can change the passwords in this menu via COM 32 The passwords are required each time you enter one...

Страница 40: ...2 3 Alarm settings Allows for the modification of detector alarms previously programmed via COM 32 4 Port RS485 Configuration of Port RS485 speed parity stop bits slave number This configuration is on...

Страница 41: ...the Select detectors screen 2 Start Recording Yes Launches the recording of calibration measurements for the selected detectors From this moment onwards all the calibration measurements are recorded...

Страница 42: ...zero 5 The term Sens for sensitivity is active from now on If sensitivity is not to be calibrated press and END until you see the message Do you only want to calibrate zero for the detector then pres...

Страница 43: ...tector Selection 1 Select the detector s to be rebooted with the help of the Previous detector and Next detector keys and press Select Initialization of the Detector 1 Press Escape to reset the select...

Страница 44: ...account of inputs detectors logic inputs The simulation measurements status are initialized to the current measurement status values The relays the internal buzzer and the analog outputs remain in the...

Страница 45: ...pages of the file Message Significance AL1 Detector in level 1 alarm AL2 Detector in level 2 alarm AL3 Detector in level 3 alarm OVS Detector in OVS alarm AL1 M Detector in alarm set to level 1 mean v...

Страница 46: ...orized Beyond that the most recent event deletes the oldest Previous page Next page and Last page allow access to the corresponding pages of the file each page can display a maximum of 8 lines Message...

Страница 47: ...em troubles records This displays the events relative to MX 32 operation power failure fluctuation On Off etc Previous page Next page and Last page allow access to the corresponding pages of the file...

Страница 48: ...44 MX 32v2 User Manual...

Страница 49: ...6 314 208 Blue flash and buzzer kit 6 314 209 RS485 commnication board 6 451 680 MX32 A B C D E F 0 1 Version Power supply Language Stobe and Audible alarm combination RS 485 serial output Com 32 soft...

Страница 50: ...upply 6 314 210 Fuse F7 4A time delay 8 4A for 120 seconds 250Vac 6 154 738 CR2032 lithium battery 6 111 321 340 mA programming strip 8 maximum per analog input module see Figure 19 6 353 442 4 20 mA...

Страница 51: ...C 60127 standard time delay fuse low breaking capacity 250Vac Please see Chapter 8 Replacement of the lithium battery Lithium battery replacement should only be performed by qualified personnel and wi...

Страница 52: ...48 MX 32v2 User Manual...

Страница 53: ...10 Certificate of Compliance 49 Chapter 10 Certificate of Compliance The document hereafter 1 page reproduces the EC declaration of conformity...

Страница 54: ...50 MX 32v2 User Manual...

Страница 55: ...oft touch key Alarms Limits Parameter setting by COM 32 application Indicators 6 status LEDs per line high and low range excess Alarm 3 Alarm 2 Alarm 1 failure Internal relay 4 fully programmable rela...

Страница 56: ...o 61010 1 12 UL Std No 61010 1 3rd Edition Measurement Lines Digital lines 2 maximum RS485 Modbus 9600 Bauds 4 wire serial cable 2 shielded twisted pairs 1 for the line and 1 for communication Analog...

Страница 57: ...DIP switches Setting of relay parameters by COM 32 application Nominal load of contacts 2A 250Vac 30Vdc Consumption 3 5 mA in normal operation Terminals Screw terminals Can accept 2 5 mm 14AWG wire Re...

Страница 58: ...60 mm 4 Analog Output Module Function Function Generation of 1 to 4 analog values Capacity 4 4 20mA discrete opto isolated outputs recopy detector minimum maximum or average of a detector group Resis...

Страница 59: ...tion A Operating LEDs The Rx LED lights up when a data thread is received The Tx LED indicates that the card has power and turns off when data is being transmitted out B Connection terminal A Tx or RS...

Страница 60: ...sensor read register number 52 All of the information at addresses 1 to 52 will be accessed The 52nd word corresponds to the expected value Example Access instantaneous alarm 1 for the sensor located...

Страница 61: ...Operating type 03 read 03 0x03 Address of the 1st word 2300 57 0x09FD Number of words to read 01 0x0001 CRC Thread 0x01 0x03 0x09 0xFD 0x00 0x01 0xCRC 0xCRC Address Table Supervision of the MX 32 sen...

Страница 62: ...258 in order to download the configuration of each sensor into the internal memory As a result of the operating functionality it is only possible to repatriate the data of a single sensor for interro...

Страница 63: ...ou s alarm threshold 3 2 Value 999 to 9999 real value to be multiplied like the range 55 Average alarm threshold 1 2 Value 999 to 9999 real value to be multiplied like the range 56 Average alarm thres...

Страница 64: ...nowl When the Verification is at 1 the Verification alarm once activated is deactivated by stopping the sensor If the acknowledgment is manual alarms 1 2 or 3 once activated are deactivated using the...

Страница 65: ...ble of activated alarms 2 Table with 66 signed integers of 16 bits where the alarms bits are listed at their address ALARM_1 bit 0 ALARM_2 bit 1 ALARM_3 bit 2 UNDERSCALE bit 3 OVERSCALE bit 4 AL_DEFAU...

Страница 66: ...62 MX 32v2 User Manual...

Страница 67: ...ernal fault relay opens to indicate a fault status see Figure 8 Internal view 2 line version on top and Bridge version at the bottom Y The fault relay switches over one of the following events Interna...

Страница 68: ...n the following page In addition the controller must provide sufficient supply voltage taking into account voltage drops in the cable Highest alarm set point for flammable gases shall not exceed 60 LE...

Страница 69: ...ller status depending on the detector analog signal output In the event the user connects a non Oldham brand detector to the MX 32 controller the user must ensure that the detector is compatible with...

Страница 70: ...66 MX 32v2 User Manual...

Страница 71: ...13 Functionnal Safety 67...

Страница 72: ...Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website https gasdetection 3M com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fax...

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