BL or BOOT-LOADER VERSION mismatch occurs when the COM setting in program are not matched with COM settings present in PLC.
STEP 1: HOW TO VIEW COM SETTINGS IN SELPRO LADDER PROGRAM
1.a If you have a selpro 3.7 then you can view COM & HARDWARE settings in PROJECT SETTINGS>>SETTINGS in MENU option or..
1.b when downloading dialogue box shows up by pressing F3 or by selecting COMMUNICATION>>in MENU option.
STEP 2: How to view COM settings on PLC MM 1010
If error in downloading is due to hardware version mismatch then you can check it
on PLC, if it is MM 101x series you can check hardware version by pressing ENT button on PLC
(let's do it for MM 101x series first for convenience).
STEP 2.a By pressing ENT button on PLC you can see Hardware Version of PLC
Now the 2.2-2 is the hardware version that should be same also in LADDER program, you can also change it by going in SETTING>>PROJECT SETTINGS>>hardware version
STEP 1: HOW TO VIEW COM SETTINGS IN SELPRO LADDER PROGRAM
1.a If you have a selpro 3.7 then you can view COM & HARDWARE settings in PROJECT SETTINGS>>SETTINGS in MENU option or..
1.b when downloading dialogue box shows up by pressing F3 or by selecting COMMUNICATION>>in MENU option.
STEP 2: How to view COM settings on PLC MM 1010
If error in downloading is due to hardware version mismatch then you can check it
on PLC, if it is MM 101x series you can check hardware version by pressing ENT button on PLC
(let's do it for MM 101x series first for convenience).
STEP 2.a By pressing ENT button on PLC you can see Hardware Version of PLC
Now the 2.2-2 is the hardware version that should be same also in LADDER program, you can also change it by going in SETTING>>PROJECT SETTINGS>>hardware version
