Low Side Driver

IMPORTANT: To avoid damaging application controller, use a relay coil (A) rated at 1 A or less, and do not exceed 12 V.

NOTE: The required relay to use application controller low side driver is not provided.

Applications that utilize low side driver functionality:

• Implements equipped with electronic brakes that lock and release steering wheels during turnaround events.
• Implements with hydraulic steering systems that utilize electronic values to allow steering cylinders to float during turnaround events.

PC21178-UN-18MAY15

PC21147-UN-15MAY15

A - 1 A (Max) Relay

B - Low Current Power Supply

C - Ground (E3 or E2)

D - E3

E - E2

F - High Current Power Supply

G - Electronic Device

Connect relay to a 5—12 V DC low current power supply (B) and ground (C) to pin E3 (D) or E2 (E) of application controller connector.

If using Selective Control Valve (SCV) 1, use pin E3. If using SCV 3, use pin E2.

Pin E3 or E2 low side driver closes (grounds) and holds while AutoTrac™ is active. Low side driver releases (opens) when AutoTrac™ is inactive.