Runze Lm60a Intelligent Peristaltic Pump Instruction Manual

Analysis instrument accessories
Ecological closed loop service provider

LM60A Intelligent Peristaltic Pump
Instruction Manual

Chapter 1 Product Introduction

1.1Overview
LM60A intelligent filling peristaltic pump, using high-performance processor and motor drive, controlling stepper motor, motor subdivision adaptive, the minimum speed can  reach 0.1rpm; rich application scenarios, support keyboard control mode, communication control mode (RS232 /RS485), external control mode (optional multiple signal  conversion modules); passive contact status output.

1.2Product Features
The product is composed of main machine, pump head, pump tube and other parts. The product can perform flow control, speed control, liquid volume control, and time  control through the button panel. The four control modes are calibrating mode, continuous mode, rationing mode, booking mode.
The interface functions are clear and intuitive, and customers can perform various combined operations, which are convenient and simple.

Chapter 2 Instruction of Port and Structure

2.1 Technical Parameters

2.2 Overall Structure Diagram

2.3 Definition of Communication Interface

Table 2-3 DB15 external terminal attribute definition

2.4 Pump Head/Tube Selection

Table 2-4 Pump head / tube model and corresponding maximum flow reference
Note:

1. Please refer to the flow chart in Chapter 6 before selecting the proper pump head and tube.
2. The tube of the same size but different materials with different ductility, resilience and hardness will lead to difference of flow rate, so the maximum flow rate is only for reference.
3. When using a tube with thicker wall (such as 24# tube), the current can be set to be larger, so as to increase the torque of the pump at high speed.
4. When using a tube with thicker wall (such as 24# tube), the pump might be stalled when it starts at high speed after stopping working for a period of time. It is necessary  to add lubricating oil and work at low speed for 1 to 2 minutes.

2.5 Special Function Switching
2.5.1 Restore factory settings: Press and hold the “edit” key to turn on the machine,
2.5.2 Chinese / English language interface switching: Press and hold the “CW / CCW” key to turn on the machine
2.5.3 Keyboard control mode: Press and hold the “HOME” key to turn on the machine and switch to the normal keyboard mode.
2.5.4 Communication control mode: Press and hold the “left” key to turn on the machine, supporting RS232 / RS485.
2.5.5 External control mode: Press and hold the “right ” key to turn on the machine, supporting external speed / steering / start input control.
2.5.6 Query version function: Press and hold the “Enter” key to turn on the machine, supporting the query of software version and software release time.

Chapter 3 Keyboard Control Mode

The main menu shows six functions, “Calibration”, “Continuous”, ” Rationing “, “Booking”, “Query” Setting”.
On the main menu, you can press “up”, “down”, “left” and “right” keys to switch functions.
On the main menu, when a function is displayed reversely, press the “Enter” key to enter the standby interface of the function; press “Edit” to enter the editing interface of this function.
On the editing interface, “up” / “down” changes the value, and “left” / “right” changes the cursor position. Press the “Home” key, if the edited value is wrong, an error  message will be prompted and return to the main menu after three seconds. If the input value is correct, it will return to the main menu immediately after saving. Press the  “Enter” key, if the edited value is wrong, an error message will be prompted. If the parameter is input correctly, it will return to the standby interface immediately after saving.
On the main menu or standby interface, press the ” ANGLE ” key to quickly enter the suction angle editing interface. The direction keys can change the value or cursor  position, and press “Enter” or “HOME” key to save.

3.2 Working Mode Description
3.2.1 Calibration Mode
After the instrument is used for the first time, or after the pump head or pump tube is replaced, in order to obtain an accurate liquid volume result, it is necessary to perform a “calibration” operation and input the calibration result. The specific calibration process is as follows:

1. Determine calibration speed. According to the flow rate you need, query the flow curve of the corresponding pump head / tube (Chapter 6 flow curve) to obtain the  approximate calibration speed.
   Take YZ1515X-6 wheel and 16# tube as an example. If you need a flow rate of 175ml / min, find the approximate position of 175ml / min on the longitudinal axis,  make a horizontal line intersecting with the red line of the flow curve of the 16# tube, make a vertical line from the intersection point to the horizontal axis, and the  intersection point with the horizontal axis is the calibrated target speed (about 275rpm).
2. Edit calibration parameters. On the calibration editing interface, input the calibration speed and calibration time, set the liquid volume to 0, and press the “Enter” key to  save.
3. Perform calibration process. Press the “CW/CCW” key, select the required steering direction, pre fill the tube, and empty the liquid in the receiving container. In the  calibration standby interface, press the “ON/OFF” to start the peristaltic pump. After running the “calibration time”, the dispensed liquid volume is the ” volume” of  this calibration. Use the measuring cup to read the milliliter of dispensed liquid.
4. Input calibration data: after calibration, press the “Edit” to input the above calibration data (ml of liquid volume), and press “Enter” to save. After that, the system will  automatically return to the main interface. When saving, if it displays “maximum flow overflow default value!”, you need to check the calibration process again to see if  the test value is wrong.
   Note: The calibration time of the pump is 60 seconds by default. You can also extend it appropriately. Repeat the test for many times to obtain the average value of the  liquid volume obtained from multiple calibrations, which can improve the accuracy of the calibration results.

3.2.2 Inquiry Mode
Parameters such as standard speed, standard flow, minimum flow, maximum flow and standard ratio can be queried.
3.2.2.1 Calibrated speed
Last calibrated speed value. The default is 100.0 rpm
3.2.2.2 Standard flow
After the calibration, the system automatically calculates the calibrated flow under the correct input of the calibrated speed and the liquid volume value under the fixed time.  Flow unit: ml / min.
3.2.2.3 Minimum flow
According to the calibrated speed, minimum speed (0.1 rpm) and calibrated flow, the system automatically calculates the minimum flow
3.2.2.4 Maximum flow
According to the calibrated speed, maximum speed and calibrated flow, the system automatically calculates the maximum flow.
3.2.2.5 Calibration ratio
Calibration ratio = calibrated flow / calibrated speed. Calibration ratio unit: ml / r. This is a reference unit for calculation.
3.2.3 Setting Mode
Parameters such as maximum speed, one key full speed, backlight time, contrast, current code and foot switch working mode can be set on the editing interface.
3.2.3.1 Maximum speed
It is the upper limit of motor speed. The maximum speed of the pump is generally related to the pump head model / pump tube model, which generally does not need to be  changed. If the maximum speed is changed, it is necessary to recalibrate and input the calibrated value correctly.
3.2.3.2 Full speed
That is the speed of the motor when the motor is on the standby interface and press the “full speed” key. This function is generally used for emptying / filling. In order to  ensure the stable running of the pump, the full speed is generally lower than the maximum speed.
3.2.3.3 Backlight time
This is the retention time after the backlight is turned on, in second (SEC). Each time you press the new key, the backlight retention time is recalculated.
3.2.3.4 Contrast
Contrast is used to adjust the brightness of the LCD screen.
3.2.3.5 Current code
The current code is used to set the maximum current of the motor.

Definition table of current code as below:

Table 3-2-3 Comparison table of current code and maximum motor output current

3.2.3.6 Foot switch
There are three states of foot switch: disabled, inching and linked switch.
Disable: The foot switch is disabled.
Inching: in “continuous” mode, the motor will run when the foot switch is stepped down, and the motor will stop when it is released.
Linked: in “continuous” mode, when the foot switch is stepped down and released, the motor will run; when it is stepped down again and released again, the motor will stop.
In other modes, the foot switch only serves as a start /stop function

3.2.4 Continuous Mode
In continuous mode, the machine has been through the normal calibration process by default.
3.2.4.1 Adjust speed in continuous mode
In continuous mode, the motor is allowed to work continuously. The direction of rotation of the motor can be adjusted to CW / CCW. The motor speed can be changed by  setting the flow rate to achieve the purpose of changing the flow rate. When the pump is running, the speed can be changed by ± 0.1 rpm by “up” and “down”; and can be  changed by ± 1 rpm by “left” and “right”; you can also press any one of direction keys and hold it for 1 second without release to realize the rapid change of
3.2.5 Rationing Mode
In rationing mode, the machine has been through the normal calibration process by default.

1. On the main menu, select “Rationing” and press “Edit” to enter the rationing editing interface.
   On the main menu, select ” Rationing ” and press “Enter” to enter rationing standby interface.
2. On the rationing editing interface, input the required liquid volume and time, and press “Enter” to save, and automatically jump to the standby interface.
3. On the Rationing standby interface, press “ON/OFF” to realize a rationing process

3.2.6 Booking Mode
In booking mode, the machine has been through the normal calibration process by default.
Realize the function of “waiting-running 1-interval-running 2-interval-… running n”. You can set the value of N (N = 0000 for infinite loop, the maximum can be set to 9999)  and you can also set the corresponding liquid volume and corresponding running time (related to the speed and calibration ratio).

Table 3-2-6 List of function keys “ON/OFF” and “HOME” during the booking process

Chapter 4 Communication Control Mode

4.1 Command Format
4.1.1 Common Command Format (send 10 bytes, return 10 bytes)
Byte send:

st The 1 byte STX: frame header (CCH) nd
The 2 byte ADDR: slave address (01H~ F7H) rd
The 3 byte FUNC: function code th The 4-7 bytes: parameters corresponding to the function code th
The 8 byte ETX: end of frame (DDH) th th
The 9 -10 bytes: cumulative sum check code from byte 1 to 8

Byte return:

The 1st byte STX: frame header (CCH)
The 2 nd  byte ADDR: slave address (01H~ F7H)
The 3 byte STATE: state codeth
The 4-7rd bytes: parameters corresponding to the state code
The 8 th byte ETX: end of frame (DDH)
The 9th -10 bytes: cumulative sum check code from byte 1 to 8

4.1.2 Factory Command Format (send 14 bytes, return 8 bytes)
Byte send:

The 1st byte STX: frame header (CCH)
The 2nd byte ADDR: slave address (01H~ F7H) The 3rd byte FUNC: function code
The 4-7th bytes: password of factory command
The 8th-11th bytes: parameters corresponding to the function code The 12th byte ETX: end of frame (DDH)
The 13th-14th bytes: cumulative sum check code from byte 1 to 12

Byte return

The 1st byte STX: frame header (CCH)
The 2nd byte ADDR: slave address (01H~ F7H) The 3rd byte STATE: state code
The 4-5th bytes: parameters corresponding to the state code The 6th byte ETX: end of frame (DDH)
The 7th-8th bytes: cumulative sum check code from byte 1 to 6

4.2 Setting Command (suitable for factory command format)
The password to set the command is AABBEEFFH (the lower one comes first).

4.3 Query Command（suitable for common command format）

Table 4-3 List of query command

4.4 Control command（suitable for common command format）

Table 4-4 List of control command（include the command of Query status）

4.5 Communication Control Mode Interface
4.5.1 Control command (example)

Figure 4-5-1-1 CW 0xC8(200 Steps)
Figure 4-5-1-2 CCW 0x190 (400 Steps) with suction

4.5.2 Status query command (example)

4.5.3 Set command (factory command) and query (example)
Setting address interface (address setting command is 0x00, address query command is 0x20)

Figure 4-5-3-1 address setting interface
Figure 4-5-3-2 address query interface

Chapter 5 External Control Mode

5.1 External Speed Control Operation

1. Press and hold the “right” key to switch to external control mode. The default is in the stop state of the external control mode.
2. Press the “ON/OFF” on the keyboard or the middle button of the rotary encoder to switch between start and stop.
3. When the motor stops, press “up” or “down” key to switch the type of external control signal
   The definition of adjusting speed signal code as followsFigure 5-1-3 when motor stops, press “up” or “down” key to switch the type of signal
4. When the motor stops, press “CW/CCW” key to change the direction.Figure 5-1-4 When the motor stops, press “CW/CCW” key to change the direction
5. The external steering input port EXDIR can switch the steering no matter when the motor running or not. Set EXDIR high (open circuit with ground) to turn CW, and  set EXDIR low (short circuit with ground) to turn CCW.
6. External start/stop input port EXST. Setting EXST high (open circuit with ground) prohibits rotation, and setting EXST low (short circuit with ground) allows rotation.
7. External speed control input port ADC-IN can adjust signal. The port voltage is 0 ~ DC3.3V. If you want to input other speed control signals, the corresponding signal  converters need to be connected for correct operation.

Table 5-1 List of external speed control signal

Note: the external control speed can only be adjusted between 0-maximum speed. Due to the error of AD, the actual minimum speed will be greater than 0.1 rpm, and the  actual maximum speed will be less than the theoretical maximum speed.

5.2 Maximum Speed Setting
When the motor stops, set the maximum speed through RS232 / RS485, please refer to the command of 0x05 in Chapter 4.2.
When the instrument leaves the factory, the suitable maximum speed will be preset according to the optional pump head/pump tube. The user does not need to set.

Chapter 6 Technical Parameters of Peristaltic Pump Tube

6.1 Table of Commonly Used Flexible Tube

Table 6-1 table of commonly used flexible tube
6.2 Peristaltic Pump Head-Tube Reference Flow Curve

1. YZ1515X-3 rollers (LM60A) flow-speed curve
2. YZ1515X-6 rollers (LM60A) flow-speed curve
3. YZ2515X-3 rollers (LM60A) flow-speed curve
4. SN15-3 rollers (LM60A) flow-speed curveFigure 6-2-4 SN15-3 rollers (LM60A) flow-speed curve
5. SN15-6 rollers (LM60A) flow-speed curve
6. SN25-3 rollers (LM60A) flow-speed curve

Figure 6-2-6 SN25-3 rollers (LM60A) flow-speed curve
Note 1: The above “Flow-Speed” of different pump heads and different tubes is the actual test curve, without any modification, for reference only;
Note 2: The above test liquid is water and the test temperature is 25 ℃
Note 3: There are many factors affecting the actual test data, such as the material and elasticity of the tube, the tightness of the tube installation, and the viscosity of the test  liquid;
Note 4: The diameter and wall thickness of the pipe will affect the maximum speed that the motor can reach when the pump head runs stably;
Note 5: If high precision of dosing accuracy is required, please choose syringe pump or other high-precision products

Chapter 7 Equipment Maintenance

7.1 Common Equipment Maintenance Process

1. Regular maintenance of tube
   When the tube is not used for a long time, please empty the liquid in the tube in time, open the protective lock on the pump head and loosen the pump tube.
2. Check tube connectors regularly
   Regularly check whether the tube connector is loose or damaged. If it is abnormal, it must be replaced in time
3. Regular or irregular calibration
   Recalibration is necessary after the tube is replaced or loosened.

7.2 Common Problems and Solutions

Chapter 8 Version Introduction

Chapter 9 Technical Service

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References

• 工业注射泵_多通道切换阀_鲁尔接头_南京润泽流体控制设备有限公司