Yaskawa MEMOCON GL120 User Manual
Page 93
4.3 CPU Modules
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Item
Specifications
Instruction Word Length
1) Relays:
1 word per instruction
2) Timers/Counters:
2 to 3 words per instruction
3) Math instructions:
2 to 3 words per instruction
4) Data process instructions: 2 to 3 words per instruction
Instruction Execution Time
1) Contacts:
1.30 to 1.45 µs
2) Coils:
1.90 to 2.50 µs
3) Unsigned 4-digit Decimal Addition Instructions: 4.80 to 5.35 µs
4) Block Transfer Instructions (size: 1):
2
2.65 µs
Block Transfer Instructions (size: 50):
22.25 µs
Block Transfer Instructions (size: 100):
42.25 µs
Scan Time
Approx. 1ms per 1K words by ladder diagram program
Remarks: The components of ladder diagram program and their ratio used in measur-
ing the scan time are as follows:
D
Contacts:
60%
D
Coils:
15%
D
SDAT instructions:10%
D
SUB instructions: 10%
D
BLKM instructions: 5%
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