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Summary of Contents for CNC4PC C15
- Page 1 USER’S MANUAL VER.1 C15 – DUAL RELAY BOARD Rev. 3.5 DECEMBER, 2019...
- Page 2 USER'S MANUAL TABLE OF CONTENTS Content Page# OVERVIEW ........................1 FEATURES ........................1 SPECIFICATIONS ......................1 BOARD DESCRIPTION ....................2 SPECIFICATIONS ......................3 Power Requirements ....................3 Terminal Power ......................3 Connector RJ45 ......................3 WIRING DIAGRAMS ....................... 4 DIMENSIONS ........................6 User’s Manual Page 0...
- Page 3 • Screw-On connections for all terminals. • All TTL +5VDC Signals. Interface directly with parallel port interface products and other cnc4pc.com cards. 5VDC (TTL) signals are very common among automation devices. • Works directly with popular CNC hardware and software.
- Page 4 BOARD DESCRIPTION WARNING: Electrical motors or other electrical devices with abrupt startups can create arcs in the relay contacts. These arcs can limit the life of the relay and the motor. For this device it is recommended that you use a solid state relay. User’s Manual Page 2...
- Page 5 SPECIFICATIONS Power Requirements Regulated +5VDC@140mA or 7-24VDC@100mA is required to power this board. WARNING Check the polarity and voltage of the external power source and connect the 5VDC and GND. Overvoltage or reverse-polarity power applied to these terminals can cause damage to the board, and/or the power source.
- Page 6 WIRING DIAGRAMS Note: This board supports signal +3.3V and +5V inputs signal. Connecting 12V or 24V signals is possible with the use of an external resistor. See the image and table bellow User’s Manual Page 4...
- Page 7 Connecting 12V or 24V inputs signals R1 Value (12V) R1 Value (24V) Approx. 470Ω Approx. 1KΩ Note: 10mA signals are required, so the use a buffered breakout board is required. RJ45 Connector RJ45 PIN FUNCTION NOT USED NOT USED INPUT SIGNAL 2 INPUT SIGNAL 1 NOT USED +5VDC...
- Page 8 DIMENSIONS All dimensions are in Millimeters. DISCLAIMER Use caution. CNC machines can be dangerous machines. Neither DUNCAN USA, LLC nor Arturo Duncan are liable for any accidents resulting from the improper use of these devices. This board is not a fail-safe device and it should not be used in life support systems or in other devices where its failure or possible erratic operation could cause property damage, bodily injury or loss of life.
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