PCL-847B – 4 Port RS-422/485 Card SurgeP
230,00 € Excl. VAT
Features PCL-847B:
• Four independent RS-422/485 serial ports PCL-847B
• Transmission speeds up to 921.6 Kbps
• Independent/shared IRQ settings between each of the 4 serial ports
• Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
• Supports standard DOS COM1, COM2, COM3, and COM4
• Supports DOS/Windows 3.1 (PC-ComLIB), Windows 95/98,
Windows NT (ICOM Utility)
• Provides 1000 VDC isolation (PCL-846A/846B only)
• Provides 3000 VDC surge protection (PCL-846B/847B)
• Space reserved for termination resistors
• Supports 2 wire or 4 wire operation
• Supports Tx, Rx, RTS, and CTS signals
• Automatic RS-485 data flow control or RTS control
Introduction PCL-847B:
PCL-846/847 series cards provide four independent RS-422/485
serial ports on a card. Each port has a 16C550 UART with an on-chip
16-byte FIFO buffer for reliable, high-speed serial I/O. The UART
buffers data into 16-byte packets before putting it on the bus. This
drastically reduces the CPU load and avoids data loss when the
system is busy and cannot process the interrupt quickly. The UART
is especially useful for high speed serial I/O under Windows.
PCL-846 cards differ from PCL-847 cards in that they utilize
on-board optical isolators to protect your PC and equipment against
damage from ground loops, increasing system reliability in harsh
environments. To further increase reliability, PCL-846B/847B cards
include surge protection technology, protecting your system from
abrupt high voltage surges (up to 3000 V) such as those caused by
lightning during thunderstorms.
An RS-485 Network with Automatic Data Flow Control
Using RS-232 Software
The RS-485 mode automatically senses the direction of incoming
data and switches its transmission direction accordingly. This feature
makes your network look and act just like an RS-232 network.
Application software written for half duplex RS-232 can be used
without modification. Moreover, you can simply and quickly build an
RS-485 network with just two wires.
2 in stock
Features PCL-847B:
• Four independent RS-422/485 serial ports PCL-847B
• Transmission speeds up to 921.6 Kbps
• Independent/shared IRQ settings between each of the 4 serial ports
• Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
• Supports standard DOS COM1, COM2, COM3, and COM4
• Supports DOS/Windows 3.1 (PC-ComLIB), Windows 95/98,
Windows NT (ICOM Utility)
• Provides 1000 VDC isolation (PCL-846A/846B only)
• Provides 3000 VDC surge protection (PCL-846B/847B)
• Space reserved for termination resistors
• Supports 2 wire or 4 wire operation
• Supports Tx, Rx, RTS, and CTS signals
• Automatic RS-485 data flow control or RTS control
Introduction PCL-847B:
PCL-846/847 series cards provide four independent RS-422/485
serial ports on a card. Each port has a 16C550 UART with an on-chip
16-byte FIFO buffer for reliable, high-speed serial I/O. The UART
buffers data into 16-byte packets before putting it on the bus. This
drastically reduces the CPU load and avoids data loss when the
system is busy and cannot process the interrupt quickly. The UART
is especially useful for high speed serial I/O under Windows.
PCL-846 cards differ from PCL-847 cards in that they utilize
on-board optical isolators to protect your PC and equipment against
damage from ground loops, increasing system reliability in harsh
environments. To further increase reliability, PCL-846B/847B cards
include surge protection technology, protecting your system from
abrupt high voltage surges (up to 3000 V) such as those caused by
lightning during thunderstorms.
An RS-485 Network with Automatic Data Flow Control
Using RS-232 Software
The RS-485 mode automatically senses the direction of incoming
data and switches its transmission direction accordingly. This feature
makes your network look and act just like an RS-232 network.
Application software written for half duplex RS-232 can be used
without modification. Moreover, you can simply and quickly build an
RS-485 network with just two wires.
Shipping Policy
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Refund Policy
Refunds
Returns are only accepted if product are not as specified or have any defects.Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at {email address}.
Sale items
Only regular priced items may be refunded. Sale items cannot be refunded.
Exchanges
We only replace items if they are defective or damaged.
Gifts
If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.
If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and they will find out about your return.
Shipping returns
To return your product, you should mail your product.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you may vary.
If you are returning more expensive items, you may consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
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Cancellation / Return / Exchange Policy
Overview
Our refund and returns policy lasts 30 days. Returns are only accepted if product are not as specified or have any defects.If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.
Additional non-returnable items:
- Gift cards
- Downloadable software products
- Some health and personal care items
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted:
- Book with obvious signs of use
- CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened.
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
- Any item that is returned more than 30 days after delivery
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576,00 € Excl. VATAdd to cartIntroduction
PCL-839 is a high-speed three-axis stepping motor control card that
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your stepping motors.Three-axis control
The PCL-839 has three single-chip pulse generators on-board, which
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The PCL-839 has been designed to act as a user-friendly solution for
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A stand-alone, non-resident command interpreter, PROGg39.EXE, can
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Digital I/O
The PCL-839 features 16 digital inputs and 16 digital outputs for general
I/O use (on/off control etc.).
Isolation protection
The PCL-839’s PULSE and DIRECTION outputs and five limits input
switches are isolated from the PC side.Features of PCL-839 :
· Three on-board pulse generators that enables simultaneous independent
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· Two operating modes – two-pulse (+ and – direction pulse) or one-pulse
(pulse-direction) mode
· Programmable step rate from 1 to 16k pps (pulses per second).
· Programmable initial speed, final speed and time duration. Automatic
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· Command Interpreter provided that eases learning the PCL-839 command
setApplications
· Precise X-Y-Z position control
· Precise rotation control
· Robotics and assembly equipment
· Other stepping-motor applicationsGeneral
· Power consumption: 300mA, +5VDC
· Connector: 37-pin D-type connector
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PCL-721 – 32 Channel D/I Card
156,00 € Excl. VATAdd to cartIntroduction PCL-721 :
The PCL-721/723 is a 32/24-channel digital input card with independent
interrupt capabilities that allows the PCL-721/723 to work in the
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this feature, your system can do real-time Process monitoring without
polling its inputs, channel by channel.The PCL-721/723 has two modes: normal and interrupt. While it is set to
normal mode, the PCL-721/723 serves as a general purpose multi-channel
digital input card. However,if it is set to interrupt mode, then each channel
will generate an interrupt request to the PC, once the channel input has
changed.The 32digital input channels ofthe PCL-721 are divided into 4 groups. The
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PCL-848A – IEEE-488 CONTROLLER
277,00 € Excl. VATAdd to cart-
General Information PCL-848A
- Introduction to the Product PCL-848A
The PCL-848A/B IPSE-488 interface card is a valuable addition to your PC that allows you to communicate with over 2000 products, made by over 200 manufacturers, in over 14 countries. The IEEE- 488-1978 standard that this IEEE-488 card implements is the most widely used international standard for information transfer between computer and electronic instruments. There are numerous publications and articles that may be used in conjunction with this manual to assist you to understand the interface standard. The IEEE reference document may be ordered by writing to the IEEE Service Center, 445 Hoes Lane, Piscataway, NJ 08854, USA.
The IEEE-488 interface card provides the hardware (electrical and mechanical) and software required for you to interface your PC to the IEEE-488 bus. The software is packaged in read-only-memory (firmware) to provide versatile and easy-to-use IEEE-488 function extensions for your current programming language or operating system. Firmware cannot be accidentally erased or overwritten and it is always available for use by application programs. This manual provided a programming reference (Section 3.) and programming techniques (Section 4. and 5.) to assist you in writing your own application programs.
The key features of this interface card include (PCL-848A) :
Operating in one of the two modes (switch selectable).
Mode A : Compatible with PCL-748 and use the on-board firmware driver.
Mode N : Software compatible with National Instrument PC-II and IBM-PC GP-IB adaptor and use the driver and software developed for them.
- Implementation of the entire IEEE-488 PCL-848A
- Powerful and easy-to-use software command set. Fewer arguments and simple initialization.
- Software driver is in on-board firmware. Requires no additional disk operation when using BASIC or Turbo Pascal.
- On-board RAM for working space. No system memory space is needed for the IEEE-488 interface operation.
- Built-in 16 bit digital output port provides a convenient and economical solution for signal switching and digital control applications. The D/O port is compatible with the daughter boards: PCLD-785 Relay Output Board, PCLD-786 SSR & Relay Driver Board and PCL—789 Amplifier & Multiplexer Board.
- BASICA, BASIC compiler and Quick—BASIC are supported as
standard languages. C and Pascal language support packages
can he ordered separately as PCL-748—C and PCL—748-P. - The software can change the PC printer port to an IEEE-438
device. The PrtSc (print screen} key, all print statements,
word processing and spreadsheet programs that use printer
driver in BIOS can use IEEE—488 printers. - High speed direct memory access (DMA) with the ability to
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