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Specifications
Appendix B
134
Output Specifications
Item
Relays
Transistors
Switching capacity
Resistive loads: 2 A, 250 VAC
(cos
f
=1); 2 A, 24 VDC; 4 A/common
Inductive loads: 0.5 A, 250 VAC (cos
f
=0.4)
0.3 A, 24 VDC
+10%
/
–15%
ON/OFF delays
ON: 10
µ
s max.
OFF: 10
µ
s max.
ON: 20
µ
s max.
OFF: 300
µ
s typical
Minimum permissible load
100 mA, 5 VDC
---
Leakage current
---
0.1 mA max.
Residual voltage
---
1.0 V max
No. of outputs
SP10
4 pts. (2 circuits, 2 pts each)
SP16
6 pts. (3 circuits, 2 pts each)
SP20
8 pts. (4 circuits, 2 pts each)
Relay life
Electrical:
100,000 operations min.
Mechanical: 20,000,000 operations min.
---
CPU Characteristics
Control method
Stored program
I/O control
Cyclic scan
Program
Ladder diagram
Instruction length
1 step/instruction; 1 to 5 words/instruction
No. of instructions
SP10
34: 12 basic, 5 arithmetic, 17 special
SP16, SP20
38: 12 basic, 5 arithmetic, 21 special
Processing speed
0.2
µ
s min./instruction; 0.72
µ
s min. average for reading/processing I/O status from memory
Program capacity
SP10
144 words (approximately 100 instructions)
SP16, SP20
348 words (approximately 200 instructions)
I/O bits
SP10
10 (bit 0000 to bit 0005 and bit 0100 to bit 0103)
SP16
16 (bit 0000 to bit 0009 and bit 0100 to bit 0105)
SP20
20 (bit 0000 to bit 0011 and bit 0100 to bit 0107)
Work bits
SP10
36 (bit 0008 to bit 0015 and bit 0104 to bit 0215)
SP16
208 (bit 0010 to bit 0015, bit 0106 to bit 0215, and bit 1000 to bit 2015)
SP20
204 (bit 0012 to bit 0015, bit 0108 to bit 0215, and bit 1000 to bit 2015)
Dedicated bits
SP10
20 (bit 0300 to bit 0315 and bit 0408 to bit 0411)
SP16, SP20
69 (bit 0300 to bit 0315, bit 0408 to bit 0411, bit 0515, bit 0700 to bit 0715, bit 0800 to bit 0815,
and bit 0900 to bit 0915)
Data-holding bits/link bits
256 data-holding bits of which 0, 64, or 128 can be designated as link bits
Timers/counters
SP10
16 total: one 1-ms timer and one analog timer (0.1 to 25.0 s) plus 10-ms timers, 100-ms timers,
reversible drum counters, and decrementing counters
SP16, SP20
16 total: one 1-ms timer and two analog timers (0.01 to 2.50 s, 0.1 to 25.0 s, or 1 to 250 s) plus
10-ms timers, 100-ms timers, reversible drum counters, a high-speed counter, and
decrementing counters
Memory protection
User program memory: RAM/EEPROM
Data-holding bits:
RAM (20 days at 25
°
C*), can be stored in EEPROM
*The power supply must be turned on for at least 10 minutes to charge battery. Length of
memory backup is reduced at higher temperatures.
Program check
Check for no END(01) instruction and for instruction errors when RUN mode is entered.
PC link
Up to 4 CPUs linkable via Link Adapter (sold separately)