Siemens S-60 User manual

S-60 CROSSING

AUXILIARY OVERLOAD DEVICE

QUICK START GUIDE

Document No. SIG-QG-09-01A.1

The Auxiliary Overload Device (AOD) is an add-on device for

the S-60 Crossing Gate, with a Rev C or Older Main Board

installed. The AOD is designed to detect an entrance gate

motor stall based on the supply voltage and amount of time

the S-60 actively drives the gate motor. The AOD, upon

detection of a stall condition, will engage a relay, interrupting

the supply of power to the motor and have the gate arm

descend in a controlled manner. The AOD is powered by the

S-60 drive mechanisms and is not capable of introducing

foreign energy or otherwise interfering with the S-60 safety

related motor drive in a manner that would cause an unsafe

condition. Refer to the S-60 Crossing Manual for further

information. (Siemens Doc. No.: 074050).

WARNING

THIS PROCEDURE WILL REQUIRE TEMPORARY OPENING

AND CLOSING OF HIGHWAY CROSSING WARNING DEVICE

CIRCUITS. PRIOR TO PERFORMING, TAKE THE NECESSARY

PRECAUTIONS TO WARN PEDESTRIANS, PERSONNEL,

TRAINS, AND VEHICLES IN THE AREA UNTIL PROPER

OPERATION IS RESTORED AND VERIFIED.

Prepare Crossing

Prepare the crossing for installation. Open the Gold-Nut,

which will lower the Gate Arm. See S-60 Crossing Gate

Manual (Siemens Document Number 074050) for further

information.

NOTE

Visually inspect the gate mechanism to ensure there are no

cams and/or wires attached to terminals T11 top and bottom

and T12 top and bottom.

Gate Mechanism Visual Inspection

WARNING

IT IS NECESSARY TO FOLLOW THIS PROCEDURE AND

ENSURE WIRES ARE INSTALLED IN THE PROPER

LOCATIONS FOR THE GATE MECHANISM TO OPERATE

PROPERLY.

Wiring Overview

The following is an overview of the AOD wiring:

Hardware Installation Overview

The following is the hardware sequence for the AOD

installation.

MOTOR

EXISTING

CONFIGURATION

GATE

CONTROL

BOARD

AOD

GATE

CONTROL

BOARD

MOTOR

GATE

CONTROL

AOD

GATE

CONTROL

BOARD

MOTOR

AOD

MOTOR

Installation Procedure

1. Remove motor wires from P4 on Main Board

2. Install Ring Terminals on Motor wires.

3. Install AOD Board on AAR Terminals (#11 and #12).

Mount the AOD Board with “INSTALL THIS SIDE OUT”

facing front as shown below.

4. Install the wiring using the following procedure:

A). Locate prepared wires provided with the AOD Kit and

install bare ends into P4 S connector, where the motor wires

were removed. Install White wire on top and Black wire on

the bottom as shown in diagram above.

B). Connect Ring Terminal ends of the wires to the AAR

Terminals (#12), Black on 12T (top), White 12B (bottom).

C.) Connect Motor wire Ring Terminals to AAR Terminals

(#11), Black on 11T (top), White on 11B (bottom).

D.) Bundle and tie-wrap wires.

Testing Installation

1.) Close the Gold-Nut. Cycle the Gate a minimum of 2 times

to verify gate is operating properly. The AOD Board “ON”

LED (Green) will illuminate with each motor operation. Note

the Red “ACTIVE” LED will illuminate for 3 minutes in the

event of a low supply voltage, causing the motor to be in a

stall condition.

2.) Perform any other tests as prescribed by the railroad

and/or authority to ensure proper operation of the warning

system and compliance with current rules and regulations.

3.) Restore Crossing to normal operation.

Contact Siemens Customer Service with any questions.

Siemens Rail Automation Corp.

2400 Nelson Miller Parkway

Louisville, Kentucky 40223

California R&D

9568 Archibald Ave., Suite 100

Cucamonga, California 91730

1-800-793-SAFE (7233)

N-12

DOWN

POWER

B-12

MOTOR

MAINTENANCE

PRESS TO

VIEW LEDS

WARNING

REMOVAL OF P4 CAN

RESULT IN

UNCONTROLLED DESCENT

OF GATE ARM

INSTALL

THIS

SIDE

OUT

ON LED

Illuminates

ACTIVE LED

Illuminates

3 Minutes

MAINTENANCE

PRESS TO

VIEW LEDS

MAINTENANCE

PRESS TO

VIEW LEDS

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