Omron CJ1W-CTL41-E, Инструкции по эксплуатации

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6
Specifications and Characteristics
Section 1-3
1-3-2 Functional Specifications
Note 1. A CJ1G-CPU @@ H, CJ1H-CPU @@ H or CJ1M-CPU @@ CPU Unit must be
used. The older CJ1G-CPU @@ CPU Units (without H suffix) do not sup-
port external interrupt tasks. To activate external interrupt tasks in a CJ1G-
H/ CJ1H-H CPU Unit, the CJ1W-CTL41-E Counter Unit must be in one of
Item CJ1W-CTL41-E
Number of Counters 4
Counter Type • Circular Counter (refer to section 3-2-1 Circular Counter )
• Linear Counter (refer to section 3-2-2 Linear Counter )
The Counter Type can be selected using the appropriate DM bits (refer to section 4-2-4
DM-Memory Mapping ).
Maximum Input Frequency 100 kHz, refer to section 1-3-3 Input Specifications for details
Signals per Counter Phase A, B and Z
Input Signal Types • Phase Differential (multiplication x1), (multiplication x2) and (multiplication x4) (refer to
section 3-3-1 Phase Differential )
• Up/Down (refer to section 3-3-2 Up & Down )
• Pulse & Direction (refer to section 3-3-3 Pulse & Direction )
Counter Control using CIO-
software bits • Open Gate / Start Counter: Counter is enabled to count pulses
• Close Gate / Stop Counter: Counter is disabled to count pulses
• Preset Counter: Preset Value can be set in CIO
• Reset Counter to zero
• Capture Counter Value: Captured Counter Value can be read using IORD-instruction
(refer to section 4-5-3-1 Captured Counter Value )
Output Control Mode • Automatic Output Control in:
• Range Mode (Refer to section
3-5-1 Range Mode )
• Comparison Mode (Refer to section 3-5-2 Comparison Mode )
Reset Signals Every Counter can be reset to zero by (a combination of) the following sources:
• Software Counter Reset Bit
• Z-Input
Refer to section 3-6 Reset Signals .
Extra Functions • Hysteresis: To prevent Outputs from being switched On and Off by very small fluctua-
tions in the Counter Value around Range Limits, for every Counter an Hysteresis-
value [1, 255] can be defined (the Unit must in Range Mode). Refer to section
3-7-1
Hysteresis .
Noise Filtering Counter Inputs To suppress noise on the signal lines of the Counter Inputs (A, B) a fixed Noise Filter is
provided:
• Counter Inputs A and B: 100 kHz
Initial Counter Value • The Initial Counter Value is transferred to the Unit when the Unit is Powered Up or
Restarted. The Initial Counter Value is very useful to overcome problems in case of
power failure. Refer to section
3-7-2 Initial Counter Value .
IORD- and IOWR-instructions Run-time configuration (See Note 2) and operation of the Counter Unit is possible by
using IORD- and IOWR-instructions. The following data can be read or written:
• DM-configuration data (refer to section 4-5-1 DM-data ).
• Range- and Comparison Data (refer to section 4-5-2 Range- and Comparison data ).
• Captured Counter Value (refer to section 4-5-3-1 Captured Counter Value )
• Counter Value (refer to section 4-5-3-2 Counter Value )
• (Re) Configure Counter Unit (refer to section 4-5-3-3 (Re) Configure Unit ).
• Error Clear (refer to section 4-5-3-4 Error Clear Command )
Interrupts of Outputs The Soft Outputs of the Unit Output Pattern can all be configured to generate interrupts
to the CJ1-H/CJ1M CPU Unit. Refer to section
4-6-1 Outputs Generating Interrupts . See
also Note 1.
Error History Log Function Stores up to 30 error log records (refer to section 5-2 Error codes )