Omron HOME SECURITY SYSTEM - MOTION SENSOR FQM1-CM001 Operation Manual page 228

Functions for Servo Drivers Compatible with Absolute Encoders
Tab page Function
Pulse input Counter 1
Counter 2
Counter 1
Counter 2
Auxiliary Area
Word Bits
A600 00 to 15 High-speed Counter 1 PV
A601 00 to 15
A602 00 to 15 High-speed Counter 2 PV
A603 00 to 15
A604 00 to 15 High-speed
and Counter 1
A605
Max. circular When the counter operation is set to circular counter,
value this parameter sets the maximum value in the circu-
lar counter.
Setting range: 0000 0001 to FFFF FFFF hex
Absolute 0000 0001 to 0000 FFFF hex
encoder resolu-
Note Set the resolution considering the Servo
tion
Driver's encoder dividing rate and the Motion
(Number of input
Control Module's pulse input multiplier setting.
pulses per
Example:
encoder revolu-
Set the resolution to FA0 (4,000) when the Servo
tion)
Driver's rate is 1,000 and the Motion Control Mod-
ule's multiplier is ×4.
Max. circular The counter 2 parameters have the same functions
value as the parameters for counter 1, above.
Absolute
encoder resolu-
tion
(Number of input
pulses per
encoder revolu-
tion)
Absolute offset Setting range: 8000 0000 to 7FFF FFFF hex
This is the origin of the application when using an
absolute encoder.
Absolute offset The counter 2 offset has the same function as the
counter 1 offset, above.
Function
Counter Absolute
operation No. of
rotations
• Absolute
PV
linear
(CW−)
• Absolute
circular
• Absolute
linear
(CW+)
Details
Details
Counter range: 8000 0000 to 7FFF FFFF hex
(8 digits hexadecimal)
Note In Linear Counter Mode, high-speed
counter PVs are checked for overflow
and underflow errors when the PVs are
read (at built-in I/O refresh for the Mod-
ule).
Multi-turn data (PV read from encoder) input to
the Motion Control Module is stored here when
SEN signal is input to Servo Driver.
8000 0000 to 7FFF FFFF hex
(8-digit hexadecimal)
Section 7-7
Time when
setting
becomes
effective
At power ON
Always
Controlled
by
Motion Con-
trol Module
Motion Con-
trol Module
205