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HM1734-WM STRAIN GAGE INPUT MODULE

 

 
 

REQUIRED CONTROLLER TAGS 

 

CH1/CH2 SCALE SET / REFERENCE WEIGH VALUE 

LOCAL : 2 : C, DATA[0] 

LOCAL : 2 : C, DATA[3] 

Full scale setting for CH1, CH2 

Value is determined by capacity of load cell and by resolution required. 
Example:  10KG = 10,000 

 

GET WEIGH VALUE CH1, CH2 

GET_WEIGH_CH1 
GET_WEIGH_CH2 

Reports measured weigh value in RUN mode. 

Reports raw A/D count value in CAL mode. 

 
SET AUTOCAL CH1, CH2 Enable Bit 

CH1 AUTO TUNE 

CH2 AUTO TUNE 

With ladder logic provided, an auto-cal method for calibrating is available. 
Set to (1) to initiate Auto-Cal for the channel.   

 

SET AVERAGE SAMPLE COUNT 

(SAMPLE BITS) Only set to 1 Bit 

Set number of samples to take for average type filter. 

(Sample=10) set to 1 

(Sample =20) set to 1 

(Sample=50) set to 1 
All Bits clear Sample=1 

 

SET mV/V CH1, CH2 

LOCAL : 2 : C, DATA[2] 
LOCAL : 2 : C, DATA[5] 

CH1/CH2 MV_V Settings 

Enter (2000) for 2.0MV/V for nominal load cell.   

Actual value is from load cell specification. 

 

 
 
 
 
 
 
 

 

      

 

Summary of Contents for HM-1734-WM

Page 1: ...Module Model HM 1734 WM Instruction Manual Rev 4 18 June 2021 Helm Instrument Company Inc 361 West Dussel Drive Maumee Ohio 43537 USA 419 893 4356 Fax 419 893 1371 www helminstrument com Force Measur...

Page 2: ...allation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication...

Page 3: ...ies information about practices or ATTENTION circumstances that can lead to personal injury or death property damage or economic loss Identifies information that is critical for IMPORTANT successful a...

Page 4: ...lting from accessibility to live parts The interior of the enclosure must be accessible only by the use of a tool Subsequent sections of this publication may contain additional information regarding s...

Page 5: ...2 If this product contains batteries they must only be changed in an area known to be nonhazardous Preventing Electrostatic Discharge ATTENTION This equipment is sensitive to electrostatic discharge w...

Page 6: ...locking mechanism is unlocked 3 Local 2 0 Data 2 0 Rev 418 Enable Bit A This module with Rev 418 has dual function it can run as Rev 417 or Rev 418 B For existing customers with SP417 ladder logic ma...

Page 7: ...ight down into the mounting base and press to secure The module will lock into place Installing the Removable Terminal Block RTB A removable terminal block is supplied with your wiring base assembly T...

Page 8: ...sion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding 3 Press on the module lock on the top of the module 4 Pull on the I O module to rem...

Page 9: ...AD ADTRIM BIT HELM Factory setting only SET TO CH1 Bit Used for one channel operation where a faster sample speed is required 1 2msec max speed 0 4msec max speed default FREQUENCY BITS Used to set sam...

Page 10: ...w A D count value in CAL mode SET AUTOCAL CH1 CH2 Enable Bit CH1 AUTO TUNE CH2 AUTO TUNE With ladder logic provided an auto cal method for calibrating is available Set to 1 to initiate Auto Cal for th...

Page 11: ...t Network Status Off Device is not on line Device has not completed dup_MAC_id test Device not powered Check module status indicator Green Device on line and has connections to the established state F...

Page 12: ...for 10VDC to 15VDC Even though the module voltage is lower than the load cell rated voltages it will perform with 5VDC for all load cells Follow Steps 1 and 2 for each channel Step 1 Balance Sensor I...

Page 13: ...Successive Approximation 24 bit Normal Mode Rejection between input 116DB CMRR Amplifier Bandwidth 200 kHz Calibration Software Selectable Isolation 500 VDC continuous between inputs and chassis grou...

Page 14: ...E INPUT MODULE SETTING UP HM1734WM MODULE USING 1734 AENT A on Ethernet IP Step 1 Add module to project as following HM1734WM MODULE PROPERTIES General Tab Settings Connection Tab Settings RPI rate ca...

Page 15: ...14 HM1734 WM STRAIN GAGE INPUT MODULE Step 2 Open HM1734_WM_AOP_REV418 ACD Copy HM1734WM_main routine Open project Paste HM1734WM_main routine Check program tag here should be as Example...

Page 16: ...O Data 1 4 0 16msec Local 2 O Data 1 5 0 32msec Local 2 O Data 1 6 0 40msec Local 2 O Data 1 7 0 48msec Local 2 O Data 2 5 Local 2 O Data 2 0 1 rev418 enable Local 2 O Data 2 1 0 10x scale Local 2 O D...

Page 17: ...v_v Local 2 C Data 2 5000 Decimal INT ch2 scale Local 2 C Data 3 2000 Decimal INT ch2 mv_v Set or Change Configuration Data Must be On Line Must be in Program Mode Enter new configuration data Power D...

Page 18: ...18 1 Set known weight for channel at scale parameter 2 Tare 0 with no weight on cell scale 3 Set module to AUTOCAL mode BIT 4 Apply known load test weight to load cells scale 5 Set AUTO TUNE BIT on fo...

Page 19: ...18 HM1734 WM STRAIN GAGE INPUT MODULE HM1734 WM ADDON rev3 ACD...

Page 20: ...34WM 1 O Data 1 1 0 BOOL ch1 only HM1734WM 1 O Data 1 2 0 BOOL 4msec HM1734WM 1 O Data 1 3 0 BOOL 8msec HM1734WM 1 O Data 1 4 0 BOOL 16msec HM1734WM 1 O Data 1 5 0 BOOL 32msec HM1734WM 1 O Data 1 6 0...

Page 21: ...Set known weight for channel at REF WEIGH VALUE 2 Tare 0 with no weight on cell scale 3 Apply known load test weight to load cells scale 4 Set AUTO CAL ENABLE BIT on for CH1 CH2 if applicable 5 To ens...

Page 22: ...21 HM1734 WM STRAIN GAGE INPUT MODULE...

Page 23: ...22 HM1734 WM STRAIN GAGE INPUT MODULE Helm HM 1734 WM 4 Wire Weigh Cell Connection...

Page 24: ...23 HM1734 WM STRAIN GAGE INPUT MODULE...

Page 25: ...m representative or call Helm direct at 419 893 4356 sales and order support product technical training warranty support support service agreements Download up to date manuals and ladder logic files a...

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