Parallel Port Interface with Relays Card Kit 12V

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(Circuit Diagram in pdf Format)

(Circuit Diagram in pdf Format)

Parallel Port Interface with Relays Card Kit
Our Parallel Port Relay card allows you to control stepper motor operations
from your parallel port. It uses a 74HC245 buffer IC to provide protection
for your PC’s parallel port and provide enough current drive for turning on
and off opto-isolator inputs. Can be connected to our KTA-191, KTA-196 and KTA-179 stepper motor driver cards. The card provides 8 motor control output signals ( 4 Step signals, 4 Direction signals) to control up to 4 Stepper Motor Drivers, 4 digital inputs designed for use as limit switch inputs, 2 Relay Outputs to control spindles, coolant or vacuums, and 3 general IO which are connected directly to the port. The card is available with 12V or 24V relays and requires power at the relay voltage. Fitted with screw terminals. Perfect for a 3 axis or 4 axis CNC machine.
You can also use it in other applications for I/O control from your parallel port
Finished Dimensions (mm): 58Wx88Lx25H
Available as KTA-205 (12V Powered) or KTB-205 (24V Powered)

Quantity	Price
1 – 9	$42.51
10 – 99	$39.49
100 +	$38.17

Skill Level of Item:		(Assembled and Tested)
Product #		BB243
Quantity Available:		3

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(BB204)

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1 – 9	$13.85
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Parallel Port Interface with Relays Card Kit 24V

Quantity	Price
1 – 9	$42.51
10 – 99	$39.49
100 +	$38.17

Skill Level of Item:		(Assembled and Tested)
Product #		KTB-205
Quantity Available:		3

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Serial Isolated I/O Module (kit)

8-Relay Module (mains rated - 110V and 250VAC.) An extension of our Kit CPS74 (see next kit), PC controlled 8-Relay Board with 250V switching relays and added features. It is in a plastic case, latched relay operation, 250V relays switched in safety by using Dinkle connectors, and with 4 external inputs. Uses serial port so it can be located over 100 yards from the PC. Comes with case and end panel pieces as shown in the photos. Requires a center positive 9-to-12V DC power supply, at least 500mA, 2.5mm jack. (CPS108)

Quantity	Price
1 – 9	$87.21
10 – 99	$81.00
100 +	$78.30

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS108
Quantity Available:		9

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Upgrade K108 - join two k108 together

CPS108/CPA108 has been a good seller. This kit is to connect two of them together to give 6 Inputs and 16 Relay Outputs. All you have to do is change the firmware, change the front & back panels, and jumper out 2 ICs.
(BB086)

Quantity	Price
1 – 9	$32.95
10 – 99	$30.60
100 +	$29.58

Skill Level of Item:		(Kit - No Soldering Required)
Product #		BB086
Quantity Available:		3

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PC Printer Port Relay Board (Assembled) (version 2)

Do you have an old PC lying around the house which absolutely no one wants? Then you can convert it into a dedicated controller. Communicate with the real world via the parallel printer port on your PC. Simply connect a DB25 straight trough cable from computer to DB25 connector on the relay board. There are 8 relays each capable of switching 12VDC/10A or 240VAC/5A. Each relay has an LED to indicate when it is operated. We provide two sets of complete, stand-alone software to control the relays: one works under DOS so you can write your own batch files to control individual relays, the other works under Windows. Needs 12VDC center positive 2.5mm power supply. PCB Size 6.75" x 2.75" (CPA74)

Quantity	Price
1 – 9	$39.99
10 – 99	$37.80
100 +	$36.54

Skill Level of Item:		(Assembled and Tested)
Product #		CPA74
Quantity Available:		14

..........................

PC Printer Port Relay Board (kit) (version 2)

Do you have an old PC lying around the house which absolutely no one wants? Then you can convert it into a dedicated controller. Communicate with the real world via the parallel printer port on your PC. Simply connect printer cable from computer to Centronics connector on relay board. There are 8 relays each capable of switching 12VDC/10A or 240VAC/5A. Each relay has an LED to indicate when it is operated. We provide two sets of complete, stand-alone software to control the relays: one works under DOS so you can write your own batch files to control individual relays, the other under Windows 3.1. Needs 12VDC center positive 2.5mm power supply. PCB Size 6.75" x 2.75" (version 2) (CPS74)

Quantity	Price
1 – 9	$36.34
10 – 99	$33.75
100 +	$32.63

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS74
Quantity Available:		9

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Parallel port output module (V2) (Assembled)

Once stock on hand is sold out for this item, it will no longer be available as pre-assembled. It will still be available as a kit requiring soldering.

This is our Kit 74V2 but put into a box with top quality Dinkle connectors to the relays. With the rapid progress in computer technology many people now have a surplus computer just gathering dust somewhere. Thus these computers are free to be used as dedicated controllers for a variety of uses: turning on/off lights or other devices around the home, office, laboratory or factory come to mind. All that is needed is the interface to connect it to the real world. (CPA165)

Quantity	Price
1 – 9	$65.41
10 – 99	$60.75
100 +	$58.73

Skill Level of Item:		(Assembled and Tested)
Product #		CPA165
Quantity Available:		4