Okuma Alarm-B 2275 Mistake in HP command
The data word HP command value designated with G20 home position command is outside of range, or the G20 block does not contain HP command. Or, G20 command is designated though the home position specification is not provided.
The G21 tool change position shift command was designated in a wrong format. (G21 command is also given in G171 or M321 of ATC macro command.)
Object
SYSTEM
Code
1->HP command value is outside of range.
Standard : 1 to 8
Homeposition C : 1 to 24
2->G20 block does not contain HP command.
3->G20 command is designated without home position
4->No HP command is given in the G21 block.
5->G21 command was issued though home position function was not provided.
6->G21 command was issued though ATC function was not provided.
7->A number other than 1 to 5 is specified as HP command.
8->G21 command was issued to B-turret.
9->HP Preferred number is other than 0 to 3.
A->G21 command was issued though “Auto tow-along steady rest type-B specification” or “Auto tow-along tailstock type-B specification”.
B->G25 block does not contain HP command.
C->G25 HP2 was issued though “Auto tow-along steady rest type-B specification”.
D->G25 HP3 was issued though “Auto tow-along tailstock type-B specification”.
E->G25 command was issued to B-turret.
F->HP command value is other than 1 to 3.
10->HP command is not:-99999.999 – 99999.999.
11->G21 command was issued in Y-axis mode.
12->G24 command was issued.
13->Home Position or the actual position is greater than range of movement.
14->G21 or G24 command was issued though ATC in external HP operation specification.
Program Example:
G20 HP9 :
Probable Faulty Locations
Home position function