PC4 Incremental Encoder Cable Driver
PC4 Product Description
The PC4 is a small, plug-in RS-422 cable driver board that drives long cables up to 1000 feet using differential signalling to provide improved noise immunity. The PC4 can be used with the E2, E3, H1, H3, S1 and S2 encoders. Each board has a 5-pin socket designed to plug into the 5 pins of the encoder.
On the output side of the PC4, ribbon cables can be used for lengths up to 100 feet; twisted pair cables are recommended for longer lengths. An optional 120 Ω terminating resistor may be placed across each pair on the receiver side of the cable, matching the cable's characteristic impedance. When calculating the power requirements of the encoder side of the cable, include the current consumed by the module, the driver IC and any terminating resistors. Be sure to supply sufficient voltage to compensate for the voltage drop due to the resistance of the power and ground wires. If an RS-422 receiver chip such as 26C32 is used on the receiver side of the cable, a 0.1uF ceramic monolithic bypass capacitor across +5V and ground located within 1 inch of the receiver chip is recommended.
View here or download the specifications
|Electrostatic Discharge, Human Body Model||-2||2||kV|
The cable drivers shown below are compatible only with the E2, E3, H1, H3, S1 and S2.
PC4 Differential cable driver board. (shown mounted on an S1 encoder).
|Supply Current (26C31)||-||1||2||mA||-|
|Output High Voltage||2.5||-||-||Volts||IOH = -20 mA|
|Output Low Voltage||-||-||0.8||Volts||IOL = 20 mA|
|Product||Driver Header||Connector Mates With|
* US Digital part number. For more information see the Cables / Connectors page.
PC4-H5 Output Connector
PC4-H10 Output Connector
Product Change Notifications
|PC3-H5, PC4, PC5 and PC6 Laser Markings - PCN 6228||9/27/2017||This notification is to inform our customers of a product marking change for the PC3-H5, PC4, PC5, and PC6 products. The purpose for this change is to create a more robust solution by utilizing laser marking versus the current paper label solution. The products effected will now be laser marked.||Download|
- Cables and connectors are not included and must be ordered separately.
- US Digital® warrants its products against defects in materials and workmanship for two years. See complete warranty for details.
3D Model Downloads
Please configure your product first to download a 3D model.
(Note: The formats below will become links if there are 3D models available.)
- SolidWorks format
- IGES format
- Parasolid format
Related Products & Accessories
The following are related products for the PC4
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