Mitsubishi MELSEC L Series User Manual page 375

Number Name
CH2 status
SD1902 CH2 status monitor
monitor
CH2 external I/O CH2 external I/O
SD1903
status monitor status monitor
Meaning
This register stores each status of CH2.
b15 to b8 b7 b6 b5 b4
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
0
• This register stores a value indicating the external I/
O signal status of CH2.
• Unused signal status is fixed at off.
• When Normal Mode is set for Operation Mode
Setting (high-speed counter function parameter), a
value according to the setting configured for
Function Input Logic Setting (high-speed counter
function parameter) is stored in the function input
status. Therefore, when a voltage is applied to the
function input terminal while Negative logic is set for
Function input logic setting, this register turns off.
• When other than A Phase/B Phase is selected for
Count Source Selection (high-speed counter function
parameter), the phase A input status and phase B
input status are fixed at off.
b15 to b7 b6 b5
0/1 0/1 0/1 0/1 0/1 0/1 0/1
0
Explanation
b3 b2 b1 b0
Addition/subtraction
0: Addition
1: Subtraction
Underflow detection flag
0: Not detected
1: Detected
Overflow detection flag
0: Not detected
1: Detected
Sampling flag
0: Not operating
1: Operating
Frequency
measurement flag
0: Not operating
1: Operating
Rotation speed
measurement flag
0: Not operating
1: Operating
Pulse measurement flag
0: Not operating
1: Operating
PWM output flag
0: Not operating
1: Operating
Fixed to 0.
b4 b3 b2 b1 b0
Phase Z input
status
0: OFF
1: ON
Function input
status
0: OFF
1: ON
Latch counter
input status
0: OFF
1: ON
Phase A input
status
0: OFF
1: ON
Phase B input
status
0: OFF
1: ON
Coincidence
output No.1
0: OFF
1: ON
Coincidence
output No.2
0: OFF
1: ON
Fixed to 0.
APPENDICES
Corre-
Corre-
sponding
Set by
sponding
ACPU
(When Set)
CPU
D9
S
(Every END New LCPU
processing)
373
A