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RL-350 Series Wheelchair Scales

8

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3.0

Operation

This section describes the front panel and includes procedures for operation of the scale.

Figure 3-1. Front Panel Keypad

3.1 Key Descriptions

The display has 10 front panel keys. Key functions are described in the table below.

  The front panel keys are very sensitive, so only a gentle press is required.

Key

Name

Function

On/Off

Powers the scale on or off

Print 

LB/KG

Sends data out from the RS-232 port; Allows to toggle between kilograms and pounds providing that it is enabled in 

Configuration

 mode; Cannot toggle while in the 

BMI

 mode

Zero

Only functions if the current weight is stable and less than 2% of the capacity of the scale. Anything over 2% requires 

a recalibration

Hold Release Displays most current weight value on the display and holds that value when the patient is off the scale. A second 

press releases the weight value. Not active while in 

BMI

 mode

BMI

Pressing the 

BMI

 key enables access to the BMI (Body Mass Index) mode (defaults when scale is turned on). The 

patient is gets on the scale, weight stabilizes and press the 

BMI

 key. The display then asks for the patient height to 

calculate out the patient BMI.   

TARE

Used to remove the weight initially of anything on the scale that shouldn’t be included in the total weight of the 

patient on the scale 

CLEAR

When using the BMI function, the display looks for a height entry. Pressing 

Clear

 changes this entry back to 190.0 

cm (default) or 5 ft, 7.5 in.Once BMI is displayed, pressing the 

Clear

 key exits BMI

ENTER

Used to accept height in 

BMI

 mode; accepts the value of the parameter last entered and moves to the next stage

Pressing and holding Enter during startup will display ID. This is the first setup on entering into configuration mode

Up Arrows

Adjusts the value of the flashing digit/number

Adjusts height input (0.5 in/0.5 cm) while in 

BMI

 mode

Down Arrows Adjusts the value of the flashing digit/number

Adjusts height input (0.5 in/0.5 cm) while in 

BMI

 mode

Table 3-1.  Key Functions

IMPORTANT

On/Off

LB/KG

Print

Zero

Hold

Release

BMI

TARE

T

CLEAR

ENTER

Summary of Contents for RL-350-5

Page 1: ...RL 350 Series Portable Bariatric Wheelchair Scales Software Version 11525 Technical Manual RL 350 5 RL 350 6 PN 163357 Rev B August 18 2022 ...

Page 2: ... respective companies All information contained within this publication is to the best of our knowledge complete and accurate at the time of publication Rice Lake Weighing Systems reserves the right to make changes to the technology features specifications and design of the equipment without notice The most current version of this publication software firmware and all other product updates can be ...

Page 3: ...ning or obtained by calling 715 234 9171 and asking for the training department Revision History This section tracks and describes the current and previous manual revisions for awareness of major updates and when the updates took place Revision Date Description B August 18 2022 Established a revision history formatted content to match other medical manuals software version 11525 Table i Revision L...

Page 4: ...g 9 3 3 Hold Release Function 9 3 4 Preset Tare 9 3 5 Toggle Tare 9 3 6 Using the Body Mass Index BMI Function 10 3 6 1 LB Mode 10 3 6 2 KG Mode 10 3 7 Troubleshooting 11 4 0 Configuration 12 4 1 Setup Switch 12 4 2 General Navigation 12 4 2 1 Change Parameters 12 4 2 2 Enter Numbers 12 4 2 3 Save and Return to Main Menu 12 4 3 Configuration Mode 13 4 4 Programming Mode Menu 14 4 5 Default Menu 17...

Page 5: ...s and has an optional AC adapter available The scale is set up to use motion sensing technology to determine actual weight of a moving patient The weight can be displayed in either pounds or kilograms and a tare weight can be entered Section 3 0 on page 8 of this manual explains the scale operation and how to obtain a tare weight Manuals resources and warranties are available from Rice Lake Weighi...

Page 6: ...rt the scale while someone is on the scale Do not allow minors children or inexperienced persons to operate this scale Do not use in the presence of flammable materials Do not use this product if any of the components are loose or cracked Do not use near water Do not use the scale on slippery surfaces such as a wet floor Do not use this scale when a person s body or feet are wet such as after taki...

Page 7: ...Parts box which contains the indicator display 2 1 1 Repacking Retain the packaging for use in the event that the scale must be returned or moved The product must be properly packed with sufficient packing materials Whenever possible use the original carton and packing materials when shipping the scale back Damage caused by improper packaging is not covered by the warranty 2 2 Scale Setup Use the ...

Page 8: ...d to be made in order for the scale to sit properly on the floor 1 There must be adequate clearance between the scale base and the floor so screw each foot out counter clockwise two full turns This will ensure that there is enough clearance between the scale base and the floor Figure 2 3 Backing out the Scale Feet 2 Carefully unwrap the load cell cable located on the underside of the scale It will...

Page 9: ...uce inaccurate weight readings 2 3 Cable Connections Ten feet of 4 wire cable to connect the scale to the weight indicator is supplied with each scale The cable is pre installed from the factory The cable must be routed to the indicator in a manner that will protect the cable from damage Cabling should exit the underside of the scale on the portable wheel side of the scale and not the ramp side s ...

Page 10: ... to gain access to the load cell connection Figure 2 6 Remove Tilt Stand 2 Remove the four back retaining screws to remove the back cover to the indicator Figure 2 7 Remove Back Cover 3 Plug the end of the load cell cable into the load cell connection When it clicks the load cell cable is properly seated into the connection Figure 2 8 Load Cell Connection Point 4 Reinstall the back cover and attac...

Page 11: ...be used for an extended period of time If the LO BAT indicator activates for accurate weighing replace the batteries or connect the scale to an AC power source as soon as possible 2 4 2 Power Connection An optional AC power adapter can be used when a power outlet is available Only use power adapters supplied by or purchased from Rice Lake Weighing Systems The use of a power adapter not from Rice L...

Page 12: ...I Pressing the BMI key enables access to the BMI Body Mass Index mode defaults when scale is turned on The patient is gets on the scale weight stabilizes and press the BMI key The display then asks for the patient height to calculate out the patient BMI TARE Used to remove the weight initially of anything on the scale that shouldn t be included in the total weight of the patient on the scale CLEAR...

Page 13: ...by the patient 1 Press to turn on the scale 0 0 appears on the display along with the ZERO annunciator 2 Place additional item s on the scale 3 Press until the display returns to 0 0 and NET annunciator appears on the display 4 Remove additional item s from the scale The weight displays with a negative symbol to the left of it Not removing the additional item s prior to patient weighing will also ...

Page 14: ... adjust the height value 5 Press 6 The BMI value and BMI annunciator are shown on the display Press to return to the Weighing mode and the BMI function will be turned off 3 6 2 KG Mode 1 Ensure that the scale is at zero 2 Place the patient on the scale to obtain a weight The LOCK annunciator appears on the display 3 Press The BMI and CM annunciators appear on the display and a default height value...

Page 15: ... high E07 AD too low E10 Overload Scale has been overloaded Remove load from scale E4L BAT Battery low but still usable one bar left on indicator display E4U Battery low and unstable no bars left on indicator display E11 CAL Calibration Error recalibrate scale Err 1 Load cell cable may be plugged into wrong connection port Ensure cable is connected to the load cell connection port Note Load cell c...

Page 16: ...the menus and or parameters Press to enter a displayed menu and or parameter Press or to scroll through values Press to save the displayed selection and move to the next parameter 4 2 2 Enter Numbers Press to enter parameter value Press or to increment decrement numbers Press to move to the next digit Press to save value and move to the next parameter 4 2 3 Save and Return to Main Menu When a para...

Page 17: ...ocated in the back of the scale to enter the setup parameters for the scale Use a small paper clip small screwdriver or other similar object to press the setup switch 4 Once the setup switch is pressed PROG displays 5 Scale can be configured using a series of menus accessed through the front panel when the scale is in Setup mode Figure 4 2 Top Level Menu 6 Press to advance to the desired menu 7 Pr...

Page 18: ...Use the Up Down arrow keys to increment decrement numbers 7 When done press ENTER key to move to the next parameter LOAD LOAD This is the amount of weight applied during calibration Can also be changed in the calibration menu Value 200 lb The display toggles between a numeric value and LOAD If you do not want to change this value press the BMI key to move to the next setting Example from LOAD to A...

Page 19: ... 10 20 50 100 Values in lb 1 2 5 10 20 50 100 200 0 2 0 5 1 0 2 0 5 0 10 0 20 0 0 1 The display toggles between a numeric value and ROUND The decimal point location is set to the DISP parameter display decimal point location If you do not want to change this value press the BMI key to move to the next setting Example from ROUND to DISP If you want to change the value use the following steps 1 Pres...

Page 20: ... use the following steps 1 Press the ENTER key to change values 2 Use the Up Down arrow keys to change the available parameters 3 When done press ENTER key to move to the next parameter UNITS UNITS Units Selects the unit of measure It can be either Kg Lb Kg only or Lb only KG LB KG LB The display toggles between unit of measurements and UNIT If you do not want to change this value press the BMI ke...

Page 21: ...he scale to enter the setup parameters for the scale Use a small paper clip small screwdriver or other similar object to press the setup switch on the back of the indicator under the cover 4 Prog displays Press to toggle along the parameter menu 5 Calib displays and enter the calibration parameters 6 Press and a numeric value is displayed which represents the amount of weight that is used for cali...

Page 22: ...r on the scale until ID flashes 2 Press again 3 Continue to press to scroll through the various menu items 4 Once complete press again then Done displays 5 Press to start the weighing process Figure 4 5 Test Menu Parameter Choice Description RID Value Displays internal ID number VER Value Displays the current software version BAT Value Displays the current battery level VALUE Value Displays the ac...

Page 23: ...e weight was either in motion or out of range If displaying weight and not BMI the scale will send out the following 21 character string xxxxxxxxx SP uu SP mmmmm SP CR LF Example 60 1 KG PATIENT SP WEIGHT SP 60 1 SP KG SP CR LF In BMI mode displaying the BMI value the scale will send out the following data PATIENT WEIGHT 60 1 KG PATIENT HEIGHT170 0 CM PATIENT BMI 20 8 Example in KG PATIENT SP WEIG...

Page 24: ...pe Protocol Commands Name ESC Character ESC Value with Parameters Description Reading R R Tells PC the scale is sending a reading immediately following this is the value that is sent Example ESC R ESC W0200 0 ESC Nm ESC E Weight W Wnnn n The patient weight Example W02000 means 200 0 If scale is overloaded or under loaded 999 99 is returned Height H Hnnn n Patient height BMI B Bnn n Patient BMI Uni...

Page 25: ...Z Zero the scale F Show flash values used for the first flash process L USB On Off not available on USB communication Table 5 5 Maintenance Protocol Commands Escape Protocol Example 1 Escape Protocol Example 2 ESC R ESC E Reading request EOP SCALE PC EOP Unit of Measure Metric ESC R ESC W0210 9 ESC Nm ESC E Reading Command Weight 0210 9 SCALE PC direction of communication Diagnose Battery Request ...

Page 26: ...ing the use of the USB driver Driver protections may need to be temporarily disabled on Windows 10 or later computers to allow for the installation of the USB driver 1 Connect the scale s indicator to a PC using a USB Type B to USB Type A cable not included 2 Turn the indicator on In most cases the PC should find the driver and automatically configure the driver when the scale is plugged into a US...

Page 27: ...sonnel Go through the following steps for basic maintenance Check the overall appearance of the entire scale for any obvious signs of damage Inspect the condition of the AC power adapter cord for cracking fraying or for broken or bent prongs 6 2 Cleaning Proper care and cleaning is essential to ensure a long life of accurate and effective operation Before beginning the cleaning process disconnect ...

Page 28: ...to another Use the following steps to transport the scale or to store it 1 Carefully pick up the scale by standing on the side opposite of the wheels where the cabling comes out from the bottom of the scale platform Figure 6 1 Pick up the Scale Using Handles 2 With the scale upright wrap the cable around brackets on the underside of the scale and hang indicator on bracket 3 The scale can now be ro...

Page 29: ... be configured Environmental Operating Temperature 50 F to 104 F 14 C to 40 C Storage Temperature 32 F to 158 F 0 C to 70 C Humidity 85 relative humidity Load Cell Excitation Rated Excitation 10 VDC Maximum Excitation 15 VDC Grade Level Requirements The supporting surface for the four feet of the scale must be level within 1 4 inch of horizontal Nominal Scale Height 3 0 inch 76 mm Certifications a...

Page 30: ...RL 350 Series Wheelchair Scales 26 Visit our website www RiceLake com ...

Page 31: ......

Page 32: ...I 54868 USA U S 800 472 6703 Canada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 Rice Lake Weighing Systems Specifications subject to change without notice www ricelake com PN 163357 Rev B August 18 2022 ...

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