SKF LC502 User manual
EN
LC502 control unit for MonoFlex
single-line centralized lubrication systems
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2
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Version 02
Operating instructions
Page 2
EN
Operating instructions
1. Display and control elements of
control screen 3
1.1 LC502 control screen 3
2. Display and operating menu 5
2.1 Base menu 5
2.1.1 Main menu 5
2.2 Info - Information mode... 6
3. Menu structure 10
3.1 Menu structure of Info 10
- View 11
- Edit 12
3.4 Menu structure of Status 13
4. LC502 Factory settings on a single-line
centralized lubrication system 14
lubrication system 14
inputs 20
4.3.1 Control inputs 20
outputs 23
8. Basic settings 44
9. Control ports 47
9.1 KFGL 47
plate, 24 VDC 47
9.1.2 KFGL pump for industrial applications,
12 VDC, 24 VDC 49
9.1.4 KFGL pump for industrial applications
230 VAC 50
10. Operational and pump faults 51
10.1 Operational malfunctions 51
10.2 System errors 51
10.3 Display errors 51
10.5 Error types 52
11. LC502 menu displays 55
12. Technical data for LC502 control unit 61
4.5.1 Control outputs 23
5. Options for customer adjustment 24
and dwell times... 24
pressure build-up and release 26
rotations 30
6. Options for customer adjustment of a
centralized lubrication system with two
main lines 34
7. Status display 35
7.1 Status - Display of current device
status 35
inputs and outputs 41
7.6 IO Conn. - read connection states of
inputs and outputs 42
control unit 43
Page 3 EN
1. Display and control elements of control screen
1.1 LC502 control screen
The display and control unit is protected from
water splashes and mechanical damage by
a transparent plastic cover. The cover must
be removed to program the unit and then
remounted afterwards.
LC502 control screen
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Display and control elements of control screen
Drawing Description Function
Display Menu display
Displays values and parameters
Error notification
Error LED Displays fault notification
Red LED flashes = error detected
Red LED lights up = fault on a signal input, no
error detected on pump control unit (error is outside
pump)
PAUSE LED Indicates pause time
Yellow LED lights up = active pump pause time on at
least one main line
CONTACT LED Indicates contact time (pump operation)
Green LED lights up = active pump runtime
1 = Output 1
2 = Output 2 Indicates pump output 1 to 2
LED on output 1 or 2 lights up = pump output
1 or 2 is switched on. Lubricant is delivered via the
indicated line (1 or 2)
3 = Inputs Indicates all signal inputs
LED lights up = signal change on input port The
LED lights up for approx. 1 second each time the
signal on the input port changes.
ENTER key Confirm selection
Confirm entry and values
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1. Display and control elements of control screen
General notes in documentation
Note
Prompts an action
Provides additional information
Page 4
EN
Display and control elements of control screen
Drawing Description Function
Operator keys Operator keys
Go to menu selection (navigation)
Edit numerical values
Operator keys Operator keys for menu selection (navigation)
(arrow key up/down/left)
Go to the selected menu based on direction of arrow
Operator keys for changing numerical values
(arrow key up/down)
The numerical value is incremented/decremented based on direction of arrow.
Press <arrow key right> or <arrow key left> to move the cursor position to the adjacent digit. To exit the
editor window without saving the current change, press the key again after reaching the last digit.
Pressing <arrow key up> increments the selected digit by one.
Pressing <arrow key down> decrements the selected digit by one.
The input value for seconds and minutes can be between 0 and 59; a value between 0 and 65535 can be
programmed for hours.
Operator key for editing numerical values
(arrow key right)
Pressing the key moves the cursor one position to the right. If the cursor is on the right edge, the edit
window closes and the changes are discarded.
DK key Pressing triggers an interim lubrication.
Error notifications are acknowledged and deleted
Actuations while in configuration mode are ignored.
1. Display and control elements of control screen
Page 5 EN
1
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Device display - Base menu
2.1 Base menu
The control unit's display has three rows of
eight characters each. Only three options are
shown in menu windows containing more than
three available choices. Press the <up/down>
arrow keys to access further options.
Configure a setting on the device involves con-
secutively opening multiple menu windows.
The current device setting is then stored with
a black mark.
Not all possible options are displayed in the
settings. Only settings that are available and
permitted for the selected device type (ProFlex,
MonoFlex, or DuoFlex) and the current device
settings are shown.
The first menu level shows language selection.
The language that is currently selected flashes.
Upon confirmation, the main menu will be dis-
played in the selected language.
2. Display and operating menu
2.1.1 Main menu
The main menu shows the following options:
Device-specific information
Device configuration
Status information
Note
The Service menu selection is
password-protected and can only be
accessed by SKF employees.
2. Display and operating menu
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3
Device display - Main menu
Page 6
EN
Base and main menu
Step Key Display Description
1Entry mask/language selection
The German version is active by default
(flashing).
Press the <arrow key up> to switch to the
English version.
Press the Enter key to confirm.
2Main menu
Service
English
Deutsch
Info
Config
Status
Main menu items
Display Description
Info Display device-specific data such as serial number or firmware
Config.uration Parameter configuration
Status Display current status of control unit
Service Service menu
Menu level only enabled for SKF service personnel
2. Display and operating menu
2.2 Info - Information mode
Information mode is used to query the hard-
ware identification code and the runtimes
stored thus far for the system, motor, and err
time (system runtime, motor runtime, error
time).
Note
No values can be entered or modified
in information mode.
Selection in information mode is per-
formed by briefly pressing one of the
keys.
Display
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3
Page 7 EN
2. Display and operating menu
Information mode
Step Key Display Description
1Entry mask/language selection
The German version is active by default (flashing).
Press “arrow key up” to switch to the English version.
Press the ENTER key.
2Main menu
Press the ENTER key to go to the Info menu.
3Info menu
You can switch between menu items using <arrow key up> and <arrow key down>.
Press the ENTER key to go to the selected sub-menu.
Press the ENTER key.
4Serial
Each control unit has an assigned serial number that can be viewed by pressing the ENTER key.
Firmware
This is the current version number of the software and can be viewed by pressing the ENTER key.
Sys time
This displays the total running time (on-time) of the control unit in hours, minutes, and seconds.
Mot time
This displays the total runtime of the pump motor in hours, minutes, and seconds.
Err time
This displays the total time of the current error (if present). If there is no error, the aggregate time of all
detected errors is displayed.
Press the <arrow key left> to return to the main menu.
Press <arrow key left>.
Mot time
Err time
English
Deutsch
Info
Config
Status
Serial
Firmware
Sys time
Sys time
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ØØm ØØs
Mot time
ØØØØØh
ØØm ØØs
Err time
ØØØØØh
ØØm ØØs
Page 8
EN
2.3 Config. - Configuration mode
Configuration mode is started by selecting
<Config.> in the main menu and pressing the
ENTER key. The system first queries whether
you want to edit or simply view the configura-
tion data. The password will be queried if you
want to modify the configuration data.
Note
After entering the correct password, all
currently running lubrication proce-
dures are stopped and the configura-
tion mode starts.
If the configuration data will be viewed and
not modified, the Config. menu will appear
upon confirmation by pressing the ENTER key.
No changes can be made in this mode.
Selection in configuration mode is
performed by briefly pressing one of the
keys.
2. Display and operating menu
Configuration menu, Table 1 of 2
Step Key Display Description
1Entry mask/language selection
The German version is active by default (flashing).
Press “arrow key up” to switch to the English
version.
Press the ENTER key.
2Main menu
Select “Config.” using the arrow key.
Press the ENTER key to enter the Config. menu.
3Config. menu
View
Press the ENTER key to enter the configuration
menus. There, you can access configurations for:
System
Settings
Inputs
Outputs
The configuration or selection that is currently
active flashes.
No entries or changes can be made in display
mode.
English
Deutsch
Info
Config
Status
View
Edit
Page 9 EN
2. Display and operating menu
Configuration menu, Table 2 of 2
Step Key Display Description
4Edit
Press the ENTER key to enter the password prompt menu.
Press the ENTER key.
5Password menu
The following password prompt prevents modifications by unauthorized persons.
Press <arrow key up> to increment the number by 1, up to 9.
Press <arrow key down> to decrement the number by 1, down to 0.
Press <arrow key right> to move to the next password number (max. 7).
Press the ENTER key.
Press the ENTER key to enable the following Config. menus.
or:
Press “arrow key left” to cancel entry and return to the main menu.
6Configuration sub-menu selection
Press the ENTER key to enter the Config. menu.
Password
00000000
New Pwd
Outputs
Default
Reset
System
Settings
Inputs
View
Edit
Page 10
EN
Info
Config.
Status
Service
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English
Deutsch
Serial
Firmware
Sys time
Mot time
Err time
Sys time
ØØØØØh
ØØm ØØ s
ØØØ-ØØØ-ØØØ-
LØ
v1.Ø.a.1
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Mot time
ØØØØØh
ØØm ØØ s
Err time
ØØØØØh
ØØm ØØ s
3. Menu structure
3.1 Menu structure of Info
3. Menu structure
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