Omron CPM2B Benutzerhandbuch
4-3
Section
SR Area
59
Word(s)
Read/
write
Function
Bit(s)
SR 252
00
High-speed Counter Reset Bit
Read/
write
write
01 to 03
Not used.
04
Pulse Output 0 PV Reset Bit
Turn ON to clear the PV of pulse output 0.
Turn ON to clear the PV of pulse output 0.
Read/
write
write
05
Pulse Output 1 PV Reset Bit
Turn ON to clear the PV of pulse output 1.
Turn ON to clear the PV of pulse output 1.
06, 07
Not used.
08
Peripheral Port Reset Bit
Turn ON to reset the peripheral port. Automatically turns OFF when reset is complete.
Turn ON to reset the peripheral port. Automatically turns OFF when reset is complete.
Read/
write
write
09
RS-232C Port Reset Bit
Turn ON to reset the RS-232C port. Automatically turns OFF when reset is complete.
Turn ON to reset the RS-232C port. Automatically turns OFF when reset is complete.
10
PC Setup Reset Bit
Turn ON to initialize PC Setup (DM 6600 through DM 6655). Automatically turns OFF
again when reset is complete. Only effective if the PC is in PROGRAM mode.
Turn ON to initialize PC Setup (DM 6600 through DM 6655). Automatically turns OFF
again when reset is complete. Only effective if the PC is in PROGRAM mode.
11
Forced Status Hold Bit (See note.)
OFF: The forced status of bits that are forced set/reset is cleared when switching be-
OFF: The forced status of bits that are forced set/reset is cleared when switching be-
tween PROGRAM mode and MONITOR mode.
ON: The status of bits that are forced set/reset are maintained when switching between
PROGRAM mode and MONITOR mode.
The PC Setup can be set to maintain the status of this bit when the PC is turned off.
12
I/O Hold Bit (See note.)
OFF: IR and LR bits are reset when starting or stopping operation.
ON: IR and LR bit status is maintained when starting or stopping operation.
The PC Setup can be set to maintain the status of this bit when the PC is turned off.
OFF: IR and LR bits are reset when starting or stopping operation.
ON: IR and LR bit status is maintained when starting or stopping operation.
The PC Setup can be set to maintain the status of this bit when the PC is turned off.
13
Not used.
14
Error Log Reset Bit
Turn ON to clear error log. Automatically turns OFF again when operation is complete.
Turn ON to clear error log. Automatically turns OFF again when operation is complete.
Read/
write
write
15
Not used.
SR 253
00 to 07
FAL Error Code
The error code (a 2-digit number) is stored here when an error occurs. The FAL number
is stored here when FAL(06) or FALS(07) is executed. This word is reset (to 00) by
executing a FAL 00 instruction or by clearing the error from a Programming Device.
The error code (a 2-digit number) is stored here when an error occurs. The FAL number
is stored here when FAL(06) or FALS(07) is executed. This word is reset (to 00) by
executing a FAL 00 instruction or by clearing the error from a Programming Device.
Read-
only
only
08
Battery Error Flag
Turns ON when the CPU Board backup battery’s voltage is too low.
Turns ON when the CPU Board backup battery’s voltage is too low.
09
Cycle Time Overrun Flag
Turns ON when a cycle time overrun occurs (i.e., when the cycle time exceeds the maxi-
mum cycle time set in the PC Setup).
Turns ON when a cycle time overrun occurs (i.e., when the cycle time exceeds the maxi-
mum cycle time set in the PC Setup).
10,11
Not used.
12
Changing RS-232C Setup Flag
Turns ON when the RS-232C port’s settings are being changed.
Turns ON when the RS-232C port’s settings are being changed.
Read/
write
write
13
Always ON Flag
Read-
14
Always OFF Flag
only
15
First Cycle Flag
Turns ON for 1 cycle at the start of operation.
Turns ON for 1 cycle at the start of operation.