90
Pulse I/O Board
Section 2-2
Pulse Input Indicators
2-2-6
Specifications
High-speed Counter Specifications
Instructions
Relevant Flags and
Control Bits for Pulse
Inputs
Bits for Slot 2 of Inner Board when Using Pulse I/O Board
SR Area Bits
Port 1
Port 2
Function
A1
A2
Lit when the phase-A pulse input is ON at the port.
B1
B2
Lit when the phase-B pulse input is ON at the port.
Z1
Z2
Lit when the phase-Z pulse input is ON at the port.
Instruction
Control
Meaning
(@)CTBL(63)
Range comparison table regist com-
parison start
Registers range comparison table and starts
comparison.
Target value table regist comparison
start
Registers target value table and starts com-
parison.
Range comparison table registration
Registers range comparison table.
Target value table registration
Registers target value table.
(@)INI(61)
Comparison start
Starts comparison using registered compari-
son table.
Comparison stop
Stops comparison.
PV change
Changes PV of high-speed counter.
(@)PRV(62)
PV read
Reads PV of high-speed counter.
Status read
Reads status of high-speed counter.
Range comparison result read
Reads range comparison result.
(@)INT(89)
Masking all interrupts
asking all interrupts, such as input interrupts,
interval timer interrupts, and high-speed
counter interrupts.
Clearing interrupt masks
Clears masks from interrupts.
Word
Bits
Name
Function
IR 232
00 to 15
Port 1
PV word (rightmost four
digits)
The PV of the high-speed counter for each port of
the Pulse I/O Board is stored as an 8-digit BCD
value after each cycle.
IR 233
00 to 15
PV word (leftmost four
digits)
IR 234
00 to 15
Port 2
PV word (rightmost four
digits)
IR 235
00 to 15
PV word (leftmost four
digits)
Word
Bit
Name
Function
SR 252
01
High-speed Counter 1
Reset Bit (port 1)
Phase Z and software reset
0: Counter not reset on phase Z
1: Counter reset on phase Z
Software reset only
0:
Counter not reset
0
→
1: Counter reset
02
High-speed Counter 2
Reset Bit (port 2)
