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 one thousand feet using differential signaling to improve 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, the PC4 can use ribbon cables 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, including 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.

Product Specifications

View here or download the specifications

ENVIRONMENTAL

PARAMETER MIN. MAX. UNITS
Operating Temperature -40 100 C
Electrostatic Discharge, Human Body Model -2 2 kV

ELECTRICAL

PARAMETER MIN. TYP. MAX. UNITS NOTES
Supply Voltage 4.5 - 5.5 Volts -
Supply Current (26C31) - 1 2 mA -
Output High Voltage 2.5 - - Volts IOH = -20 mA
Output Low Voltage - - 0.8 Volts IOL = 20 mA
Propagation Time - - 15 ns -

CONNECTORS

PRODUCT DRIVER HEADER CONNECTOR MATES WITH
PC4-H10 TE# 103309-1 CON-C10*
PC4-H5 TE# 640456-5 CON-C5*

* US Digital part number. For more information see the Cables / Connectors page.

PIN-OUTS

PC4-H5 OUTPUT CONNECTOR

PIN DESCRIPTION
1 Ground
2 Index
3 A channel
4 +5VDC power
5 B channel



PC4-H10 OUTPUT CONNECTOR

PIN DESCRIPTION
1 Ground
2 Ground
3 Index-
4 Index+
5 A- channel
6 A+ channel
7 +5VDC power
8 +5VDC power
9 B- channel
10 B+ channel

Product Change Notifications

Title Date Description Download
PC3-H5, PC4, PC5, and PC6 Laser Markings - PCN 6228 9/27/2017 This notification is to inform our customers of a product marking a change for the PC3-H5, PC4, PC5, and PC6 products. The purpose of this change is to create a more robust solution by utilizing laser marking versus the current paper label solution. The products affected will now be laser marked. Download

Additional Information

Product Notes

  • 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.

Downloads Available

Datasheets

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    Related Products & Accessories

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