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High-speed Counter Board Section 2-1
2-1-6 Specifications
Instructions
Related Control Bits, Flags, and Status Information
Instruction Meaning
CTBL(63) Used to register target or range comparison tables or used to start
comparisons for previously registered comparison tables. A table
can be registered and comparison started with separate instruc-
tions or the same instruction.
INI(61) Used to start or stop comparison using registered comparison
table or used to change the PV of a high-speed counter.
PRV(62) Used to read the PV or status of a high-speed counter.
Word Bits Name Function
Slot 1 Slot 2
IR 200 IR 232 00 to 15 Counter 1 PV (rightmost four digits) The PV of the high-speed counter on each
port of the High-speed Counter Board is
stored after each cycle.
Note The form in which data is stored
(BCD or hexadecimal) can be spec-
ified in the PC Setup (DM 6602 and
DM 6611).
IR 201 IR 233 00 to 15 PV (leftmost four digits)
IR 202 IR 234 00 to 15 Counter 2 PV (rightmost four digits)
IR 203 IR 235 00 to 15 PV (leftmost four digits)
IR 204 IR 236 00 to 15 Counter 3 PV (rightmost four digits)
IR 205 IR 237 00 to 15 PV (leftmost four digits)
IR 206 IR 238 00 to 15 Counter 4 PV (rightmost four digits)
IR 207 IR 239 00 to 15 PV (leftmost four digits)
IR 208:
Counter 1
IR 209:
Counter 2
IR 210:
Counter 3
IR 211:
Counter 4
IR 240:
Counter 1
IR 241:
Counter 2
IR 242:
Counter 3
IR 243:
Counter 4
00 to 07 Comparison Results: Internal Output
Bits 00 to 07
Contains the bit pattern specified by oper-
and in CTBL(63) when a condition is satis-
fied.
08 to 11 Comparison Results: Bits for External
Outputs 1 to 4
Contains the bit pattern specified by oper-
and in CTBL(63) when a condition is satis-
fied.
12 Counter Operating Flag 0: Stopped
1: Operating
13 Comparison Flag Indicates whether or not a comparison is in
progress.
0: Stopped
1: Operating
14 PV Overflow/Underflow Flag Indicates whether or not an overflow or
underflow has occurred.
0: Normal
1: Overflow or underflow has occurred
15 SV Error Flag 0: Normal
1: Setting error
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