SHARP JW-21CU Control Module Compatible cyclic calculation and
interrupt dealing system
| Brand/Manufacturer | SHARP/JAPAN |
| Part Number | JW-21CU |
| Alternate Part Number | JW-21CU |
| Description | Control Module |
| Dimennsions | 15.2cm x 20.4cm x 28.4cm |
| Weight | 2.1kg |
Product Details
Specifications
Program system: Stored program system
Control system: Compatible cyclic calculation and interrupt dealing
system
Processing speed: Basic instructions (except timer, counter, MD,
application instructions), 0.54 to 0.72 micro second/instruction.
Application instructions (including timer counter MD), lots of tens
to lots of hundreds micro second/instruction (transfer instruction:
22 micro second/instruction)
Type and numbers of instructions: Basic instructions: 20,
application instructions: 113
Program capacity:
RAM 3.5 K words
EPROM 3.5 K words (using the 21MO)
EEPROM 3.5 K words (using the 21ME)
Memory back-up: By built-in lithium battery. When using
JW-21ME/21MO, available for battery less operation.
I/O control system: Both block refresh system and refresh system by
instruction are applied.
Max. numbers of I/O points/racks: 128 points, max., 4 racks, max.
I/O relay: 512 points (00000 to 00777)
I/O link relay: 512 points (01000 to 01777), allocable to 4
systems, max.
Special I/O relay: 1024 points (02000 to 03777), 128 points/module,
8 modules, max.
Special relay: 32 points (07340 to 07377)
Option module relay: 2560 points (10000 to 14777)
Option module flag: 448 points (15000 to 15677), 64 points/module,
7 modules, max.
I/O link module flag: 64 points (15700 to 15777), 16 points/module,
4 modules, max.
Parameter: For special module: 128 bytes x 8, for option module: 64
bytes x 7
Interrupt program:
Input interrupt: 8 points (LB1360 to LB1367)
Timer interrupt: In increments of 10, 20, 50, 100 ms
SHARP News
Sharp Filed Patent Infringement Damage Lawsuit against OPPO
Smartphone Distributor in Taiwan
Sharp Corporation (hereinafter "Sharp") filed a damage lawsuit for
patent infringement in the Taiwan Intellectual Property Court
against a major smartphone distributor of Guangdong OPPO Mobile
Telecommunications Corp., Ltd (hereinafter "OPPO", Head Office:
Guangdong, People’s Republic of China) on April 1, 2020. Sharp
alleges that OPPO smartphones sold in Taiwan infringe one LTE
patent related to communication technologies implemented in
smartphones.
Sharp views its intellectual property as a major resource for its
business development. Sharp’s wireless communication standard
essential patent portfolio now includes more than 6,000 patents
across over 50 countries. Sharp will take necessary actions to
protect its intellectual property rights.
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