PLC Analog / Digital Interface Bus Board (Part IV)
The 3 pin modular connector(s) A/D Bus Board was designed to accommodate Phidgets and Seeed Depot (China) compatible boards. There are many sensors and widgets, which can be easily connected to the Home Automation Gator PLC by the standard pinout format of (1)GND, (2)VCC, and (3)signal (analog or digital) on their three pin modular connectors.
Note: The PLC +5 VDC switching 1 amp. power supply supplies power from the I2C/+5 VDC bus board to all 3 pin modular connectors.
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The following is just a sample that can be quickly connected to the 3 pin modular 5 VDC. input/output A/D PLC interface:
#1102 - IR Reflective Sensor $7.00 Phidgets
#1103 - IR Reflective Sensor $11.00 Phidgets
#1128 - Sonar Sensor $35.00 Phidgets
#2008 - IR Distance Sensor $25.00 Phidgets
Electronic Brick - Diffuse Ref. IR Switch $10.50 Seeed Depot
#1106 - Force Sensor $11.00 Phidgets
#1115 - Pressure Sensor $50.00 Phidgets
#1120 - FlexiForce Adapter (for below) $11.00 Phidgets
#3100 FlexiForce 0-1# Sensor $22.00 Phidgets
#3101 FlexiForce 0-25# Sensor $22.50 Phidgets
#3102 FlexiForce 0-100# Sensor $22.50 Phidgets
#1126 - Differential Gas Pressure Sensor $40.00 Phidgets
#1129 - Touch Sensor $11.00 Phidgets
Electronic Brick - Touch Sensor Module(Dig) $5.50 Seeed Depot
#1104 - Vibration Sensor $11.00 Phidgets
#1111 - Motion Sensor - PIR $45.00 Phidgets
Electronic Brick - PIR Motion Sensor $11.50 Seeed Depot
#1108 - Magnetic Sensor $11.00 Phidgets
#1124 - Precision Temp. Sensor $15.00 Phidgets
Electronic Brick - Temperature Sensor $3.50 Seeed Depot
#1125 - Humidity/Temp. Sensor (2 inputs) $50.00 Phidgets
#1127 - Precision Light Sensor $11.00 Phidgets
Electronic Brick - Light Sensor Cad. Sulf. $3.50 Seeed Depot
Electronic Brick - Carbon Monoxide Sensor $9.00 Seeed Depot <--- Note 1
Electronic Brick - Gas Sensor LPG/Nat.Gas. $6.90 Seeed Depot <--- Note 1
Electronic Brick - Gas Sensor LPG/Propane $9.90 Seeed Depot <--- Note 1
Electronic Brick - Smoke Sensor $6.90 Seeed Depot <--- Note 1
#1109 - Rotation Sensor $7.00 Phidgets
#1112 - Slider 60 Sensor $11.00 Phidgets
#1113 - Mini Joy Stick Sensor $15.00 Phidgets
#1116 - Multi-Turn Rotation Sensor $29.00 Phidgets
Electronic Brick - Multi Rotary Sensor (Pot) $8.50 Seeed Depot
Electronic Brick - Multi Angle Sensor (Pot) $3.50 Seeed Depot
Electronic Brick - Magnetism Switch (Dig.) $3.90 Seeed Depot
Electronic Brick - Mercury Tilt Switch (Dig) $1.50 Seeed Depot <--- Illegal in USA?
Electronic Brick - Joystick (D/A 3 inputs) $7.90 Seeed Depot
Electronic Brick - 5 VDC Relay (Digital) $7.90 Seeed Depot
Electronic Brick - Buzzer (Digital) $5.50 Seeed Depot
Electronic Brick - Microphone $9.50 Seeed Depot
Electronic Brick - LED (Digital) $3.50 Seeed Depot
Electronic Brick - Microphone $9.50 Seeed Depot
Electronic Brick - A/D Key Module $5.50 Seeed Depot
Electronic Brick - Big Button Switch (Dig.) $3.50 Seeed Depot
Electronic Brick - Dual Big Button Switch(D) $3.80 Seeed Depot
Electronic Brick - Tac Switch (Digital) $3.50 Seeed Depot
Electronic Brick - Rolling Ball Tilt SW(Dig) $3.50 Seeed Depot
#1122 - 30A Current Sensor AC/DC(2 inputs) $31.00 Phidgets
#1135 - Precision Voltage Sensor $19.00 Phidgets
#3500 - i-Snail-VC-10 Current Sensor 10A $40.00 Phidgets
#3501 - i-Snail-VC-25 Current Sensor 25A $40.00 Phidgets
#3500 - i-Snail-VC-50 Current Sensor 50A $40.00 Phidgets
#3501 - i-Snail-VC-100 Current Sensor 100A $40.00 Phidgets
Electronic Brick - Electricity Meter $11.50 Seeed Depot
Note 1: Calibration gas samples / equipment required for sensor calibration ---> $$$$$$
Sensor should not be used for the primary alert sensor for human (life) and protection!
Note 2. Some Phidget's sensors must be made of gold. By careful sensor inspection and reverse engineering, the cost of most of the sensors can be greatly reduced by installing the individual components on a perf board!
Note 3. We carefully choose sensors, which are connected to the PLC, which does not slow our polling scan time down significantly. Sensors which take complex math calculations, pulse and frequency reading and interrupts are never connected. There are always other sensors, to choose from, that will do the same function.
Note 4. Other sensors from sparkfun.com, parallax.com and futurlec.com could be easily adapted for the 3 pin 5 VDC analog and digital interface connector.
Note 5. All Arduino analog inputs should work with the above sensors. If you subtract 2 analogs for I2C Bus then you only have four left. The Gator/Gator+ has 8 usable analog inputs and maps the I2C Bus to other I/O pins to be compatible with the Arduino.
Note 6. One user said "that our Home Automation PLC could be used for a great Arduino instructional, training and development system" - great idea!
Note 7. Due to the Gator's I/O pin zener protection scheme, analog voltages above 4 VDC are slightly non-linear. Check their website for further details. Not a major problem, due to the usable input range of most sensors but you need to be aware.
8-) 8-) 8-)