CPU Units with CompoBus/S Master
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last update: November 27, 2013
Item | Specification | ||
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Control method | Stored program method | ||
I/O control method | Cyclic scan method
(Immediate refreshing can be performed with IORF(97).) |
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Programming language | Ladder diagram | ||
Instruction length | 1 step per instruction
1 to 5 words per instruction |
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Instructions | Basic instructions | 14 | |
Special instructions | 105 instructions, 185 variations | ||
Execution
time |
Basic instructions | 0.64 μs (LD instruction) | |
Special instructions | 7.8 μs (MOV instruction) | ||
Program capacity | 4,096 words | ||
Max. I/O capacity | CPU Unit only: 10 points
Expansion I/O Unit: 96 points (32-point Expansion I/O Unit x 3) (Up to 3 Expansion Units can be connected.) CompoBus/S: 256 points (362 points in total) |
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Input bits | IR 00000 to IR 00915
(Bits not used for input bits can be used for work bits.) |
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Output bits | IR 01000 to IR 01915
(Bits not used for output bits can be used for work bits.) |
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CompoBus/S input bits | 128 bits: IR 02000 to IR 02715 (words IR 020 to IR 027) | ||
CompoBus/S output bits | 128 bits: IR 03000 to IR 03715 (words IR 030 to IR 037) | ||
Work bits | 672 bits:
IR 02800 to IR 02915 (words IR 028 to IR 029) IR 03800 to IR 03915 (words IR 038 to IR 039) IR 04000 to IR 04915 (words IR 040 to IR 049) IR 20000 to IR 22715 (words IR 200 to IR 227) |
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Special bits (SR area) | 440 bits: SR 22800 to SR 25507 (words SR 228 to SR 255) | ||
Temporary bits (TR area) | 8 bits: (TR 0 to TR 7) | ||
Holding bits (HR area) | 320 bits: HR 0000 to HR 1915 (words HR 00 to HR 19) | ||
Auxiliary bits (AR area) | 384 bits: AR 0000 to AR 2315 (words AR 00 to AR 23)
These include CompoBus/S slave status flags (words AR 04 to AR 07). |
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Link bits (LR area) | 256 points: LR 0000 to LR 1515 (words LR 00 to LR 15) | ||
Timers/Counters | 256 timers/counters: TIM/CNT 000 to TIM/CNT 255
1-ms timers: TMHH (--) 10-ms timers: TIMH (15) 100-ms timers TIM 1-s/10-s timers: TIML (--) Decrementing counters: CNT Reversible counters: CNTR (12) |
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Data memory | Read/Write | 2,048 words (DM 0000 to DM 2047)
The Error Log is contained in DM 2000 to DM 2021. |
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Read only | 456 words (DM 6144 to DM 6599) | ||
PC Setup | 56 words (DM 6600 to DM 6655) | ||
Basic
interrupt functions |
Interrupt inputs | 2 interrupts (Used for both counter mode interrupts inputs and quick-
response inputs. |
|
Scheduled interrupts | 1 interrupt | ||
High-speed
counter functions |
High-speed counters | 1 counter (single phase at 20 kHz or 2 phases at 5 kHz) | |
Counter
interrupts |
1 interrupt (set value comparison or set-value range comparison) | ||
Interrupt inputs
(counter mode) |
2 interrupts (Used for both external interrupts inputs and quick-response
inputs.) |
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Count-up
interrupts |
2 interrupts (Used for both external interrupts inputs and quick-response
inputs.) |
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Quick-response inputs | 2 points (Used for both external interrupts inputs and counter mode
interrupt inputs.) Min. input pulse width: 50 μs max. |
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Pulse output | 2 points with no acceleration/deceleration,
10 Hz to 10 kHz each, and no direction control: 1 point with trapezoid acceleration/deceleration, 10 Hz to 10 kHz with direction control: or 2 points with variable duty-ratio outputs |
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Synchronized pulse control | 1 point | ||
Input time constant
(ON response time = OFF response time) |
Can be set for CPU Unit inputs and Expansion Unit inputs only
(1, 2, 3, 5, 10, 20, 40, or 80 ms) |
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Clock | Equipped with clock (built-in RTC) | ||
Communications functions | Peripheral port: Supports Host Link, peripheral bus, no-protocol
communications, and Programming Console connections. RS-232C port: Supports Host Link, no-protocol communications, 1-to-1 Link, or 1-to-1 NT Link connections. |
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Power failure backup function | Data in HR, AR, Counter (CNT), and Data Memory (DM) areas is held. | ||
Memory backup | Non-volatile (flash) memory: Program, read-only DM area, and PC Setup | ||
Memory backup (lithium battery: 2 years lifetime): DM area, HR area, AR area,
and counter values |
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Self-diagnostic functions | CPU error (watchdog timer), memory errors, communications errors, setting
errors, battery errors, and expansion I/O bus errors |
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Program check | No END instruction, programming errors (checked when operation is started) | ||
Programming
devices |
Programming Console | C200H-PRO27, CQM1-PRO01, or CQM1H-PRO01 | |
SSS | IBM PC/AT or compatible (SYSMAC Support Software version 1.1 or higher) | ||
CPT | Windows | ||
CX-P | Windows |
Communications method | Special CompoBus/S protocol | |
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Coding method | Manchester coding | |
Connection form | Combination of multi-drop method and T-branch connections *1 | |
Baud rate | High-speed Communications Mode: 750 kbps
Long-distance Communications Mode: 93.75 kbps *2 |
|
Commu-
nications cycle time cycle time |
High-speed
Communications Mode |
0.5 ms (with 8 input and 8 output slaves connected) |
0.8 ms (with 16 input and 16 output slaves connected) | ||
Long-distance
Communications Mode |
4.0 ms (with 8 input and 8 output slaves connected) | |
6.0 ms (with 16 input and 16 output slaves connected) | ||
Communications media | 2-conductor cable (VCTF 0.75 x 2), 4-conductor cable (VCTF 0.75 x 4),
or Special Flat Cable |
|
Commu-
nications distance |
High-speed
Communications Mode |
2-conductor VCTF cable:
Main line length: 100 m max. Branch line length: 3 m max. Total branch line length: 50 m max. Special Flat Cable, 4-conductor VCTF cable: Main line length: 30 m max. Branch line length: 3 m max. Total branch line length: 30 m max. (When Special Flat Cable is used to connect fewer than 16 Slaves, the main line can be up to 100 m long and the total branch line length can be up to 50 m.) |
Long-distance
Communications Mode |
2-conductor VCTF cable:
Main line length: 500 m max. Branch line length: 6 m max. Total branch line length: 120 m max. Special Flat Cable, 4-conductor VCTF cable: Variable branch wiring (total cable length 200 m max.) (There are no limits on the branching format or main, branch, or total line lengths. The terminator must be connected to the point in the system farthest from the master.) |
|
Maximum number of nodes | 32 | |
Error control checks | Manchester code check, frame length check, and parity check |
*1. A terminator must be connected to the point in the system farthest from the Master.
*2. The baud rate is switched using DM settings (default setting is 750 kbps).
last update: November 27, 2013