Software Management Service Information Section
©Vertical Express 5-36 Printed in USA November 2019
Upload Software to CPU Cards
Recommendations • Before starting any software updates in control system, backup the software.
• For grouped controllers: When updating the master controller, isolate it from the rest of
the group by disconnecting IOF CON40, CON1, CON11, and CON12 as well as CPUC
CON5. This action will cause the next car to take over the master controller of group
operations assignment while software is being loaded. After software is loaded and
operation is restored, restore the connectors and cable.
Uploading software to the CPU requires a few minutes to complete. Resetting the
card during this time could result in corrupting the USB flash drive and damaging
the card.
1. Place the controller on Inspection Operation.
2. Insert the prepared USB flash drive into the CPUC Card, CON6 USB port.
3. Press and release RST.
4. Press and hold UDL while the CPU is rebooting.
5. Press and hold UDL until the STAT LED blinks a Morse Code `Z' (two long and two
short blinks). When the upload is complete, the STAT LED blinks 3 times before the
CPUC Card resets itself.
• If the upload takes longer than 15 minutes, or if the STAT LED blinks every 100ms
continuously, the upload has failed. Cycle power to the controller and then remove the
USB from the CPUC Card. See Upload Software Troubleshooting on page 5-37.
• If the CPU is stuck in Zmodem for longer than 15 minutes, remove power from the
card, and remove the USB flash drive.
6. After the upload is successful, issue the following commands from Block Select
Adjust > Commands Common: GET, WRT, RFL, and RRF.
7. Cycle from Inspection to Automatic and back to Inspection.
8. Cycle power.
9. Verify that the controller will run from Inspection Operation. Should the car fail to run,
troubleshoot fault codes and I/O states to determine the issue. See Troubleshooting
I/O Issues on page 4-13.
10. Place the door disconnect switch in the Door Disconnect position.
11. Place the inspection switch in the Normal position.
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