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NEW PWM to
0-10VDC Interface
FUNCTION:
Converts a digital Pulse Width Modulated signal into a
0-10 volt DC analog signal for use with:
Variable speed DC motor controls
Variable output vibratory
feeders
Variable output AC devices
Variable light dimming
applications
Variable Frequency Drives (VFD/ Inverters) Variable temperature
controllers
DESCRIPTION:
This board provides an opto-isolated interface between
digital PWM signals and industrial controllers that require an analog input
signal. The interface output voltage can be offset using a std resistor or
potentiometer for lower than 10VDC input requirements. The unit also offers two
opto-isolated channels that provide a contact closure-to-ground output for
start-stop function, or direction control of motor controllers. The unit was
designed for direct ribbon-cable integration with the DeskCNC controller
hardware. In this configuration the unit also provides isolated direct pass
through of the remaining DeskCNC
signals that reside on the ribbon cable connector. The unit is compatible with
all digital PWM signals that fit the input criteria and is not limited to usage
with DeskCNC. The input ribbon cable can be split into individual wires and
connected to any digital PWM output source. This allows integration with other
CNC control software’s as well as robotics and other industrial applications.
INPUTS:
10 PIN
HEADER:
PWM
= opto-isolated from board supply and
0-10VDC output. Supports 1-50KHZ, 0-100% PWM, 3-6VDC pulse height, and 2-6mA
current draw. Compatible with most parallel port output levels. Positive
triggered.
CW & CCW
= opto-isolated from board supply,
3-6VDC input voltage, 2-6mA current draw. Compatible with most parallel port
output levels. Positive triggered.
MIST, FLOOD,
AUX1, 2, 3 = Isolated from board
supply, but not optically. Direct pass through from DeskCNC controller board to
terminal blocks.
GND, 5VDC
= Isolated from board supply, but not
optically. GND input is necessary for PWM, CW, and CCW signal function. 5VDC
input is not utilized on the board.
3 POSITION TERMINAL
BLOCK:
12V REG
=
Input for isolated and regulated 12Volt DC
power supply. Also provides a regulated 12VDC output if the 15-30VDC INPUT is
powered. Current draw = @ 125mA
GND
= Board supply ground terminal. Contact
is common between the 12VDC input and 15-30VDC
input.
15-30VDC
= Input for an isolated and unregulated
15-30VDC power supply. Use instead of the 12V REG input if you do not have a
regulated 12VDC supply to power the board with.
OUTPUTS:
DeskCNC
SECTION:
MIST, FLOOD,
AUX1, 2, 3 = Isolated from board
supply, but not optically. Direct pass through from DeskCNC controller board to
terminal blocks.
0-10V
= Linear 0 to 10 volt DC output varies
dependent upon the positive period of the PWM input signal. Source current to
30mA. Stable down to 500 ohm load resistance. !!!DO NOT
SHORT 0-10V OUTPUT TO GROUND!!!
CW & CCW
= Contact closure to ground signal.
Supports 100VDC 500mA contact signal. Can be wired to external relays for motor
direction control or to VFD CW & CCW inputs.
1. BOARD POWER SUPPLY MUST BE ISOLATED.
DO NOT USE THE
SAME POWER SUPPLY AS DESKCNC CONTROLLER
BOARD, A
POWER LINE FROM A HOST PC, OR POWER
FROM THE DEVICE
THIS BOARD IS OUTPUTTING TO. FAILURE TO
HEED THIS WARNING
MAY RENDER THE OPTO-ISOLATION USELESS.
USE A "WALL WORT"
TYPE INDEPENDENT POWER SUPPLY. IF USING
A 12VDC OUTPUT
"WALL WORT", CONNECT IT TO THE 15-30VDC
INPUT AND CHECK THE
VOLTAGE PRESENT AT THE 12V REG
TERMINAL. THE CIRCUIT REQUIRES
A REGULATED 12 VOLTS DC TO FUNCTION
PROPERLY.
Documentation .pdf HERE
Includes instructions to interface with a Leeson DC speed
control (good candidate for retrofit into the X2 etc)and an Automation Direct
VFD.
Our Price: $65.00 USD
 ALL RIGHTS RESERVED '07 KDN TOOL &
AUTOMATION ENGINEERING CO. LLC
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