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Overview Section 7-1
7-1 Overview
The FQM1 Modules have the following functions.
Main function
(Applicable Modules)
Sub-functions
Basic interrupt functions
(FQM1-MMP21/MMA21)
Input Interrupts (4 points) (Input Interrupt Mode or Counter Mode)
Interval Timer Interrupt (1 point)
Setting range: 0.5 to 99,990 ms
Unit: 0.1 ms
Scheduled Interrupts
One-shot Interrupts
Constant Cycle Time Exceeded Error Clear Function
High-speed Counters
(FQM1-MMP21/MMA21)
High-speed Counter PVs (2 points)
Phase differential, Increment/decre-
ment, or Pulse + direction;
50 kHz or 500 kHz
No interrupts
Target Value Comparison Interrupts
(Count check interrupts)
Range Comparison and Bit Pattern Outputs
High-speed Counter Movement Measurement
Sampling time (1 to 9,999 ms) or cycle time
High-speed Counter Frequency Measurement
Measured frequency: 0 to 500 kHz (1 point)
High-speed Counter Latch (2 latch inputs)
(Latched high-speed counter PV can be read with PRV(881) instruction.)
Functions for Servo Drivers
Compatible with Absolute
Encoders
(FQM1-MMP21/MMA21)
Absolute Number of Rotations PV
Absolute PV
Absolute PV Preset Function
Absolute Offset Preset Function
Pulse Outputs
(FQM1-MMP21 only)
Pulse Outputs (2 points)
Pulse output without acceleration/deceleration, non-trapezoidal acceleration or decel-
eration, trapezoidal acceleration/deceleration, and electronic cam control
One-shot Pulse Output
Pulse ON time: 0.01 to 9,999 ms
Pulse Counter (for time measurement)
Measurement unit: Select 0.001 ms, 0.01 ms, 0.1 ms, or 1 ms.
Measurement range: 0000 0000 to FFFF FFFF hex
These three interrupt/bit pattern output
settings can be set for the Pulse Out-
puts, One-shot Pulse Outputs, and
Pulse Counter Functions listed above.
No interrupts
Target Value Comparison Interrupts
(Count check interrupts)
Range Comparison and Bit Pattern Outputs
Virtual Pulse Outputs
(FQM1-MMP21/MMA21)
The AXIS instruction generates trapezoidal acceleration/deceleration in a virtual axis.
Analog Outputs
(FQM1-MMA21 only)
Sloped Output by Instruction (2 points)
1 to 5 V, 0 to 5 V, 0 to 10 V, or −10 to 10 V
Immediate refreshing at instruction execution, analog output value hold function, offset/
gain adjustment supported
Analog Inputs
(FQM1-MMA21 only)
Immediate Refreshing by Instruction (1 point)
1 to 5 V, 0 to 5 V, 0 to 10 V, −10 to 10 V, or 4 to 20 mA
Offset/Gain Adjustment of Analog Input Value
High-speed Analog Sampling
The CTBL(882) instruction starts analog sampling when the high-speed counter 1 PV
matches the preset target value.