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3. Instruction Set
3-135
API Mnemonic Operands Function
56
SPD
Speed Detection
Controllers
ES2/EX2 SS2 SA2
SE
SX2
Bit Devices Word devices Program Steps Type
OP
X Y M S K H KnX KnY KnM KnS T C D E F
S
1
*
S
2
* ** * * * * * ***
D * * *
SPD: 7 steps
PULSE 16-bit 32-bit
ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2
Operands:
S
1
: External pulse input S
2
: Pulse receiving time (ms) D: Detected result (5 consecutive
devices)
Explanations:
10. The instruction counts the number of pulses received at input terminal S
1
during the time S
2
(ms) and stores the result in the register D.
11. ES2/EX2 before V0.92. External pulse input terminals designated in S
1
:
Available
input points
X0, X2 X1 (X0/X1) X6, X7
Input mode
1-phase input
(Supports single
frequency )
AB-phase input
(Supports quadruple frequency)
1-phase input
(Supports single
frequency)
Max frequency
100KHz 5KHz 10KHz
12. ES2/EX2 V1.00 or later. External pulse input terminals designated in S
1
:
Available
input points
X0, X2
X1 (X0/X1), X3 (X2/X3)
X5 (X4/X5), X7 (X6/X7)
X4, X6
Input mode
1-phase input
(Supports single
frequency )
AB-phase input
(Supports quadruple frequency)
1-phase input
(Supports single
frequency)
Max frequency
100KHz 5KHz 10KHz
13. SS2/SA2/SX2/SE. External pulse input terminals designated in S
1
:
Available
input points
X0, X2
X1 (X0/X1), X3 (X2/X3)
X5 (X4/X5), X7 (X6/X7)
X4, X6
Input mode
1-phase input
(Supports single
frequency )
AB-phase input
(Supports quadruple frequency)
1-phase input
(Supports single
frequency)