FUJI Z-312J
FUJI Z-312J
FUJI Z-312J
FUJI Z-312J
FUJI Z-312J
FUJI Z-312J
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  • Lifecycle status

    Discontinued

Z-312J

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SHARP Z-312J is a high-speed Z-300 J-board CPU board with 7.5 K-word program capacity, integrated clock, serial upper-level communications, and expansion support for I/O and communications boards.
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Technical specifications for Z-312J

  • Manufacturer:
    Sharp PLC
  • Part Number:
    Z-312J
  • Product Family:
    Sharp PLC
  • Product Type:
    J-board Z-300 CPU Board
  • Stock:
    1
  • CPU Type:
    High-speed J-board CPU
  • Basic Instruction Time:
    0.54 µs for STR/AND/OR; 0.72 µs for OUT
  • Timer / Counter Execution:
    88 µs TMR; 66 µs CNT
  • Applied Instruction Time:
    27 µs representative value
  • Instruction Set:
    20 basic instructions; approximately 113 applied instructions
  • Program Memory:
    7.5 K words RAM
  • ROM Operation:
    7.5 K words with supported user ROM
  • Memory Backup:
    Approximately 3 months after full battery charge
  • Maximum Controlled I/O:
    256 points
  • Timers and Counters:
    512 combined
  • Data Memory:
    Approximately 7 KB
  • Symbols:
    Up to 1,024 symbols / 8 KB
  • Expansion Boards:
    Up to 4 I/O or communication boards; up to 2 communication boards
  • Clock:
    Built in
  • Upper-level Port:
    Selectable RS-232C or RS-422A
  • RS-422A Network:
    1:N, up to 31 stations, SHARP Computer Link
  • Programming Port:
    D-sub 15-pin
  • Rated Supply:
    24 V DC; operating range 21.6 to 26.4 V DC
  • Maximum Power:
    10 W
  • 5 V Consumption:
    120 mA
  • Operating Environment:
    0 to 55 °C; 35 to 90% RH, non-condensing
  • Dimensions:
    11 × 18 × 2.5 cm
  • Weight:
    0.2 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals CPU Resources Communication Integration Application
  • High-speed Z-300 CPU execution with 7.5 K-word program capacity
  • Integrated timing, counting, clock, data-memory, and symbol resources
  • Selectable RS-232C or RS-422A host communication with board expansion

Z-312J provides the processing and memory resources for a SHARP J-board controller assembly.

It coordinates local program execution with installed I/O and communication boards while retaining a built-in clock and a selectable upper-level serial interface.

A controlled exchange depends on the correct program and ROM, switch position, supply quality, expansion load, communication standard, connector mapping, and post-installation functional test.

Availability, condition, price, and shipping time for Z-312J are confirmed during quotation.

SHARP Z-312J J-board Z-300 CPU Board Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • 7.5 K-word RAM supports the documented user program
  • Timers, counters, data memory, and symbols share the controller resource plan
  • ROM operation and backup behavior require the correct memory hardware
  • The upper-level port is selectable between RS-232C and RS-422A
  • RS-422A supports SHARP Computer Link multidrop arrangements
  • The programming connector is separate from the upper-level terminal block
  • I/O and communication boards extend the J-board assembly
  • Power demand must include the CPU and every connected expansion board
  • Program, switch, connector, and network settings require documented transfer control
  • Machine-sequence control in SHARP Z-300 J-board assemblies
  • Host-linked control stations using SHARP Computer Link communications
  • Compact controller retrofits retaining compatible Z-300 I/O and communication boards
Description
Z-312J is the high-speed CPU board in the SHARP Z-300 J-board controller family, combining program execution, data memory, timing, counting, clock, and host-communication functions on one board.

Its documented resources include 7.5 K words of RAM program memory, 7.5 K-word ROM operation, 512 combined timers and counters, a maximum of 256 controlled I/O points, and RS-232C or RS-422A upper-level communications.

Before replacement, verify the 24 V DC supply, board connectors, installed ROM device, memory-switch position, communication electrical standard, station settings, program backup, connected expansion boards, and the required machine restart procedure.
Alternative Names
Z-312J SHARP Z-312J Sharp Z-312J SHARP J-board Z-312J Z312J Z 312J
Technical notes
Z-312J commissioning requires verification of the 24 V supply, ROM type, memory-switch position, program backup, serial-interface selection, station settings, expansion-board count, and controlled restart sequence.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which power source should be verified before installing SHARP Z-312J?
Confirm a regulated 24 V DC source within the documented range, correct terminal polarity, protective fuse, frame grounding, and available current for the complete J-board assembly.
How should the user ROM be handled on SHARP Z-312J?
Record the installed ROM type and memory-switch position, remove power, follow electrostatic precautions, and confirm that the retained program matches the intended machine configuration before restart.
Can SHARP Z-312J communicate through both RS-232C and RS-422A at the same time?
The upper-level port is selected for one electrical interface. Verify the installed wiring, connector pinout, station arrangement, and protocol settings before transferring an existing communication cable.
What should be backed up before replacing SHARP Z-312J?
Preserve the controller program, data areas required by the process, symbol information, communication settings, timer and counter values, ROM contents, and a record of connected expansion boards.
Why might SHARP Z-312J remain in FAULT after installation?
Check supply voltage, board seating, ROM and memory-switch selection, program validity, connected expansion-board load, communication wiring, and diagnostic indications before attempting another start.
How many expansion boards can be connected to SHARP Z-312J?
The manufacturer documents up to four I/O or communication boards, with no more than two communication boards; actual current demand and supported board combinations still require verification.
What must be checked when changing from another Z-300 CPU to SHARP Z-312J?
Compare program capacity, execution behavior, memory map, timer and counter use, ROM method, upper-level communications, expansion-board population, and machine safety validation rather than relying only on connector similarity.