Difference between revisions of "POT4 PINOUT"

Revision as of 20:24, 16 August 2006

Header Pinouts : POT4 POT4a POT4b

"POT" Input header (5 pin)

Connection for a potentiometer

1. REF+ : Positive reference output
2. SIG : Potentiometer wiper "position" signal
3. REG- : Negative reference output
4. SHLD : Connect to the shield that encloses lead wires and potentiometer. Do not connect to the chassis or "GND"

1. PKUP : Not used

Connection for a strain gauge bridge

1. REF+ : Positive reference output, connect to "top" of bridge
2. SIG : Amplifier positive input, connect to bridge signal (+)
3. REG- : Negative reference output, connect to "bottom" of bridge
4. SHLD : Connect to the shield that encloses lead wires and bridge. Do not connect to the chassis or "GND"
5. PKUP : Amplifier negative input, connect to bridge signal (-)

"POS-PWR" Power input / "Position" output header (5 pin)

1. +12 : Connect to a low noise +12V power supply
2. P+ : Positive going differential "Position" output
3. GND : Connect to
4. P- : Negative going differential "Position" output
5. -12 : Connect to a low noise -12V power supply

NOTES:

• P+ and P- are connected to low impedance drive though a 50 ohm resistor
• Capacitance of 1.1uF (typical) is placed across P+ / P- which forms 1st order lowpass filter with Fc=1.45KHz
• P+ and P- are fully differential and are NOT ground referenced. For single ended operation, at the receiving end, connect P- to the local ground.

"Velocity" differentiated output header (2 pin)

1. V+ : Positive going "Velocity" output
2. v- : Negative going "Velocity" output

NOTES: See preceding notes for P+/P- as V+/V- are also differential outputs