background image

Weigher Instrument 

MW61A

 

Instruction Manual   ALL 

MW61A_IM_ALL_SV6.09d_en 

 

 

EMC INDUSTRIAL GROUP LTD

 

 

 

APPLICATIONS 

 

Silo/Tank weighing 

 

Batch weighing  

 

Platform scales 

FEATURES 

 

Digital high accuracy design 

(no pots or 

DIP switches)

 

 

Excitation for up to 10 x 350

 loadcells  

 

6 or 4 wire loadcell connection 

 

Update rate 100 times per second  

 

4-20mA output  

 

Modbus communications (independent 
RS232 and RS485 ports)  

 

USB Host & Device (memory stick & PC) 

 

Field software upgrades 

 

12-24Vdc power supply 

 

Overall accuracy better than 0.01% 

 

Totalising 

 

Peak reading 

 

Rate of change 

(flowrate)

 

MD2,MP2  INDICATOR 

 

IP54 Facia 

 

2.8" (70mm) colour LCD 

 

320 x 240 

pixels

 

 

Polyester film tactile keypad 

 

4-20mA output, 1 digital input & 2 digi-
tal outputs 

MO3  I/O for MP2 

 

4 Digital inputs 

 

4 Digital outputs 

 

4-20mA input (or 0-10V) 

 

4-20mA output 

MD1,MP1  INDICATOR 

 

IP65 Facia 

 

4.3" (109mm) colour LCD 

 

480 x 272 

pixels

 

 

Silicone tactile keypad 

MT1  TRANSMITTER 

 

Size 136 x 66 x 50mm 

 

Optional removable P-Module holds cali-
bration settings 

 

MT3  TRANSMITTER 

 

Size 136 x 66 x 50mm 

MR1  I/O  

 

Size 136 x 66 x 30mm 

 

8 Digital inputs 

 

8 Digital outputs 

 

4-20mA input (or 0-10V) 

 

4-20mA output x 2 

 

Pulse output 

INCLUDES    

 

Installation 

 

Setting up principles 

 

Setup Summary 

 

I/O Function Table 

 

Operation 

 

Alarms 

APPLIES TO    

 

MW61A - Weigher P-Module 

 

MT1,MT3 - Transmitters 

 

MD1,MD2 - Display 

 

MP1,MP2 - Processor 

 

MR1 - Remote IO 

 

Software v6.09 onwards 

 

 

 

 

 

 

MR1 

 

MT3 

 

MT1 

 

MD2,MP2 

MD1,MP1 

 

 

 

Summary of Contents for ModWeeihg MW61A

Page 1: ...8 70mm colour LCD 320 x 240 pixels Polyester film tactile keypad 4 20mA output 1 digital input 2 digi tal outputs MO3 I O for MP2 4 Digital inputs 4 Digital outputs 4 20mA input or 0 10V 4 20mA outpu...

Page 2: ...ice Document Details g0 g1 g2 g3 g4 g5 g6 g7 g8 g9 g10 g11 g12 g13 g14 g15 MT1 MT3 MD1 MD2 MP1 MP2 PRODUCT DESCRIPTION DOCUMENTATION MW61 Weigher Instrument Technical Information Instruction Manual MW...

Page 3: ...GUIDE 22 Settings 22 Quick Keys 22 Quick Keys Reference 22 Initial Setup 23 Engineering Units 23 Measuring Range 23 Display Resolution 23 Calibration 23 Calibrate Loadcell 23 SETUP MW61A WEIGHER 24 Ba...

Page 4: ...A_IM_ALL_SV6 09d_en 4 47 Information Resets 40 Product Information 40 Reset settings 40 Other display settings 40 I O Function Table 40 Modbus Access 43 OPERATION 43 Display 43 Keys 44 Operator Menu 4...

Page 5: ...the weight reading to be set to zero The SET TARE key allows a man ual tare weight to be entered Signal Filtering Filtering for the weight can be adjusted to get the optimum compromise between reduct...

Page 6: ...Customisation Locks may be set to prevent unauthorised use of the operator keys and restrict entry to the operator menu The keys are individually lockable and optionally a passcode can be used to all...

Page 7: ...n independently galvanically isolated to 50Vac High voltage 8 V Low voltage 4 V Maximum voltage 32 V Input load 4 k approximate Digital Inputs INx High voltage 8 V Low voltage 4 V Maximum voltage 32 V...

Page 8: ...is recommended Some additional optional connections are as follows High and low limit outputs The 4 20mA weight output Dimensions Following are the dimensions of the hardware items that make up the sy...

Page 9: ...C6 C7 C8 C9 Digital I O OUT1 OUT2 OUT3 OUT4 MT1 IN1 IN2 IN3 IN4 24V C10 0V TOTALISER input 0V gross weight POWER SUPPLY 24V 0V A1 A2 limit 2 output acquire zero MO3 OPTION 24V TOTALISER input 0V I1 I...

Page 10: ...rinter to PC PLC or ModWeigh Display MD1 MD2 gross weight weight acquire zero acquire tare print capture weight print total reset total totalise hold flowrate LOADCELL s optional sense for 6 wire conn...

Page 11: ...t weight acquire zero acquire tare print capture weight print total reset total totalise hold flowrate LOADCELL s optional sense for 6 wire connection Address Select ADS 1 2 3 4 5 24V 0V D D ADS 1 2 3...

Page 12: ...0V VI2 mAI2 AI2 limit 1 output limit 2 output motion healthy net mode at zero weight fault alarm alert MD1 MD2 MR1 L1 L2 L3 L4 L5 RTS TXD 0V 0V RXD CTS RJ12 Power COM2 24V 0V D D ADS COM1 TXD 2 3 4 5...

Page 13: ...y chain with one instrument connected to the next If a stub connection is used to a main cable as shown in the diagram then make sure its length limit is adhered to Two MAT line terminators must be fi...

Page 14: ...rs stored are col lectively known as the Setup Description Press the Q key to access the setup menu The setup is divided into sections as shown in the following diagram SETUP Basic Settings AI1 AO1 AI...

Page 15: ...ection sets the baud rates etc for the communications ports It sets the key locks for the MD1 MD2 Display It also contains the Macros for the instrument These settings are not available in B model ins...

Page 16: ...all the menus sub menus and settings in turn You can use the UP and DOWN keys to highlight a menu or sub menu item then press the ENTER key to continue from there When viewing a setting the UP and DO...

Page 17: ...ation about the settings and indicates active keys or the preferred method of making a value change while editing Icon Description The setting is locked Password must be entered to edit The setting ca...

Page 18: ...189 ALT1 arg1 arg0 UC arg0 1 arg1 1 128 16384 190 ALT2 arg1 arg0 UC arg0 1 arg1 1 128 32768 191 ALT3 arg1 arg0 UC arg0 1 arg1 1 128 49152 Register Instructions 192 NOP no operation 193 RECALL registe...

Page 19: ...ion Instructions Calculations are done on a stack in RPN reverse polish notation When a value is entered onto the stack with a RECALL or VALUE instruction the other values on the stack are moved up fi...

Page 20: ...acked value is used with an operator followed by with_stack DRIVE_BIT sets the bit to the value evaluated by the condition e g IF IN1 AND IN2 STACK IN3 AND IN4 OR with_stack DRIVE_BIT user bit 1 event...

Page 21: ...is either as ASCII code value or an in struction code value 7 Displays the ASCII character or instruction description for the code value displayed 8 Modbus address of the macro Not editable 9 Soft ke...

Page 22: ...rate the system you must access and adjust various settings in the unit The settings are ac cessed using their Quick Key numbers Quick Keys To Access A Setting 1 Press the Q key to access the setup me...

Page 23: ...ed units The units can be changed if required Step Quick Keys p24 Select weight units 2112 Measuring Range Set the measuring range to the largest value that will occur during normal operation Most set...

Page 24: ...capacity setting it will display as over range Therefore the range settings should be set larger than the maximum value that will occur during normal operation The measuring range affects the way many...

Page 25: ...the year when daylight saving will end Q21925 daylight saving time DST 9920 0 Shows if daylight saving is on or off If automatic daylight saving correction is off then this setting may be used to mov...

Page 26: ...play shows Calibrating please wait 6 Press ENTER twice to move to the AI1 span step Or press the DOWN key 7 Apply the known test weight 8 Press EDIT and enter the value of the test weight followed by...

Page 27: ...ress the 0 key followed by ENTER to initiate a zero calibration 6 Press and hold the BACK key to return to normal operation Loadcell signals These settings are used for diagnostics and fault detection...

Page 28: ...ons are disabled Internal Signals Basic Settings Inputs Internal Signals Outputs Communications Display Information Resets Final Calibration Weight Basic weight Q23111 gross weight 8740 kg t g Display...

Page 29: ...stems with a small weight change signal the flowrate may be more stable when this setting is higher but it will take longer to reach a steady flowrate reading Totaliser Q2344 total weight 8730 g6 0 00...

Page 30: ...ge of a capture weight input signal the weight is captured and recorded here Q2369 fault options 8454 Allows selected faults to not raise an alarm Memory Storage Memory storage is used to save or reca...

Page 31: ...0 Q23922 temp 2 8614 g13 0 Q23923 temp 3 8576 g13 0 Q23924 temp 4 8578 g13 0 Q23925 temp 5 8582 g13 0 Q23928 date 8830 g13 Displays the date in the form YYMMDD Q23929 time 8832 g13 Displays the time i...

Page 32: ...is useful to test the analog output The output will return to normal after you exit from the settings Q2427 AO2 signal can override output signal 8806 WU Displays the signal currently being output If...

Page 33: ...10144 g12 0 Interface registers These registers are the recommended registers to use for extracting the basic signals from the trans mitter via Modbus The advantage of using these registers is that mu...

Page 34: ...macros are the same as the preset options e g If set to 10 the default Key Macro is the same as when the option is set to 0 Similarly 11 to 1 12 to 2 etc Macros Q25531 print macro 1000 g13 This macro...

Page 35: ...e a group of specifications The days of the week are identified using the following letters M TU WE TH F SA SU Upper or lower case letters may be used Q25554 print at times macro 1500 g13 This macro r...

Page 36: ...menu 33 lock 8654 g417 0 Q25634 operator menu 34 lock 8656 g417 0 Q25635 operator menu 35 lock 8658 g417 0 Q25636 operator menu 36 lock 8660 g417 0 Q25637 operator menu 37 lock 8662 g417 0 Q25638 oper...

Page 37: ...0 The above three settings allow up to three additional settings to be added to the operator menu These items will appear in the menu shown when the MENU key is pressed during normal operation Q25659...

Page 38: ...d to be loaded Q2583 load setup 8942 Use the UP and DOWN keys to select what data to load from the selected file Q2584 save user log 8944 Q2585 save system logs 8946 Display settings The following set...

Page 39: ...week The clock will run continue to run for a few days or weeks without power The time is also shown in the top right corner of the display if no alarms are present Q92191 clock enable 9910 0 Set to...

Page 40: ...display Q92612 product serial number 8852 Q92613 software version number 8854 Q92614 CPU type 8858 Reset settings Q92633 reset other settings 1 reset to defaults 8954 0 Set to 1 to reset all user sett...

Page 41: ...ntrol4 and IOx2 can all be read over modbus The registers control2 control3 control1C and control1G can be written to over modbus Bits marked can also be set by writing their bit number to the IO Cont...

Page 42: ...x 7 152 OUT1aux 8 153 OUT2aux 9 154 OUT3aux 10 155 OUT4aux 11 156 OUT5aux 12 157 OUT6aux 13 158 OUT7aux 14 159 output function OUT8aux 15 IOxAux IOx This register hold the state of inputs IN1 to IN8 a...

Page 43: ...6499 Integer 16 bit limited by integer range 8000 to 8999 7000 Address 8000 7000 to 7999 Long integers 32 bit words 8000 to 8999 Address 8000 to 8999 Float IEEE 4 byte reals The interface registers s...

Page 44: ...band Engineering unit main display is calibrated in Secondary display shows one of a selection of values Press the key to scroll through the list Shows functions of soft keys A to E Keys operator men...

Page 45: ...oft keys used with settings Icon Description Press key for menu of special functions Press EDIT key to edit the setting 8 Gives information about the settings and indicates active keys or the preferre...

Page 46: ...the TARE WEIGHT setting Use the keypad to set the tare weight set setpoint Press this key to display the SETPOINT 1 high limit setting Use the keypad to set the setpoint Alarm menu An alarm is indicat...

Page 47: ...ited signal 3mV V 184 span limited signal too low to span 185 186 motion error operation failed because of motion 187 188 189 190 191 192 193 194 195 power supply brown out check power supply 196 erro...

Reviews: