Omron SYSMAC CPM2B Operation Manual page 95

SR Area
Word(s) Bit(s)
SR 248, 00 to 15 High-speed Counter PV Area
SR 249
The PVs can have the following values. The leftmost digit of SR 249 acts as the sign indi-
cator; a negative number is indicated when the leftmost digit of SR 249 is F.
SR 250 00 to 15 Analog Setting 0
Used to store the 4-digit BCD set value (0000 to 0200) from analog control 0.
SR 251 00 to 15 Analog Setting 1
Used to store the 4-digit BCD set value (0000 to 0200) from analog control 1.
SR 252 00 High-speed Counter Reset Bit
01 to 03 Not used.
04 Pulse Output 0 PV Reset Bit
Turn ON to clear the PV of pulse output 0.
05 Pulse Output 1 PV Reset Bit
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.
09 RS-232C Port Reset Bit
Turn ON to reset the RS-232C port. Automatically turns OFF when reset is complete.
10 PLC Setup Reset Bit
Turn ON to initialize PLC Setup (DM 6600 through DM 6655). Automatically turns OFF
again when reset is complete. Only effective if the PLC 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 between
ON: The status of bits that are forced set/reset are maintained when switching between
The PLC Setup can be set to maintain the status of this bit when the PLC 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 PLC Setup can be set to maintain the status of this bit when the PLC 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.
15 Not used.
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Differential phase input mode:
Pulse +direction input mode:
Up/down pulse input mode:
Increment mode:
Synchronized pulse control:
(Can be used as work bits when the high-speed counter is not used.)
PROGRAM mode and MONITOR mode.
PROGRAM mode and MONITOR mode.
Function
–8,388,608 (F838 8608) to 8,388,607
–8,388,608 (F838 8608) to 8,388,607
–8,388,608 (F838 8608) to 8,388,607
0 to 16,777,215
0 to 20,000 Hz
Section 4-3
Read/
write
Read-
only
Read/
write
Read/
write
Read/
write
Read/
write
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