RPM RS232 to RS485 Converter Replacement

Last Updated: 04/24/2025 1:45 AM

The following table lists all the components that make up the document.

Title Type Status Last Updated
Rapiscan VM-250 Vehicle Monitor
Device
Published
10/14/2024 9:50 AM
Rapiscan TM-850 Rail Monitor
Device
Published
09/18/2024 10:28 AM
7621 - 1401 - Establish Initial Conditions; Remark:
Procedure Step
Published
06/29/2023 5:37 PM
1401 - Establish Initial Conditions
Instruction
Published
09/30/2022 3:14 PM
7268 - 7231 - Close lane; Remark:7233
Procedure Step
Published
04/27/2023 7:01 PM
9053 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...
Annotation
Published
09/27/2023 9:09 AM
7231 - Close lane
Instruction
Published
04/18/2023 1:00 PM
7233 - Use orange safety (traffic control) cones to setup barriers. Practice establi...
Remark
Published
04/24/2023 12:18 PM
7373 - 7232 - Open RPM door; Remark:7267
Procedure Step
Published
09/01/2023 7:55 PM
7232 - Open RPM door
Instruction
Published
04/18/2023 1:02 PM
7267 - Open all doors needed to access components.
Remark
Published
09/16/2023 4:54 PM
7454 - 7290 - Disable tamper switches; Remark:7416
Procedure Step
Published
06/02/2023 5:25 PM
7290 - Disable tamper switches
Instruction
Published
05/01/2023 8:14 AM
7416 - Use a magnet to disable tamper switches for all open doors. Use adhesive tape...
Remark
Published
06/02/2023 1:18 PM
8561 - 7291 - Disable both infrared occupancy sensors; Remark:8514
Procedure Step
Published
09/18/2023 12:05 AM
5291 - Note : It is good practice to verify all cables and connectors are labeled prior to ...
Annotation
Published
10/24/2022 8:35 AM
7291 - Disable both infrared occupancy sensors
Instruction
Published
05/01/2023 8:15 AM
8514 - Verify sensors mounted in control pillar door are receivers.
Remark
Published
09/29/2023 11:52 AM
9205 - To disconnect sensor cable, turn collar counterclockwise and pull away from s...
Remark
Published
09/29/2023 11:52 AM
8221 - 7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...; Remark:
Procedure Step
Published
09/01/2023 9:26 PM
7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...
Instruction
Published
07/01/2023 11:39 PM
8344 - 8343 - Locate RS232 to RS485 Converter; Remark:8341
Procedure Step
Published
09/12/2023 8:57 AM
8343 - Locate RS232 to RS485 Converter
Instruction
Published
09/12/2023 8:55 AM
8341 - For vehicle monitors (VM-250), the converter is located behind the LD-260...
Remark
Published
09/12/2023 8:56 AM
8342 - For train monitors (TM-850), the converter is usually located in the electron...
Remark
Published
09/12/2023 8:57 AM
8340 - 8339 - Uninstall LD-260 (VM-250 only); Remark:
Procedure Step
Published
09/12/2023 8:59 AM
8339 - Uninstall LD-260 (VM-250 only)
Instruction
Published
09/12/2023 8:58 AM
7272 - 7238 - Disconnect three (3) connectors; Remark:7239
Procedure Step
Published
04/27/2023 7:06 PM
7238 - Disconnect three (3) connectors
Instruction
Published
04/24/2023 12:38 PM
7239 - Needle nose pliers can be used to remove connectors.
Remark
Published
05/10/2023 3:08 PM
8347 - 8346 - Remove two (2) mounting screws; Remark:8345
Procedure Step
Published
09/12/2023 9:09 AM
8346 - Remove two (2) mounting screws
Instruction
Published
09/12/2023 9:06 AM
8345 - Use medium Phillips (PH2) screwdriver. Retain screws.
Remark
Published
09/12/2023 9:09 AM
8338 - 8337 - Remove LD-260; Remark:8336
Procedure Step
Published
09/12/2023 9:01 AM
8337 - Remove LD-260
Instruction
Published
09/12/2023 9:01 AM
8336 - Retain part for reinstallation
Remark
Published
09/12/2023 9:01 AM
8600 - 8592 - Uninstall faulty RS232 to RS485 converter; Remark:
Procedure Step
Published
05/28/2024 2:32 PM
8592 - Uninstall faulty RS232 to RS485 converter
Instruction
Published
09/18/2023 11:52 AM
8349 - 7293 - Disconnect RJ-45 Ethernet cable; Remark:8367
Procedure Step
Published
09/12/2023 9:18 AM
7293 - Disconnect RJ-45 Ethernet cable
Instruction
Published
05/01/2023 8:18 AM
8367 -
Remark
Published
09/12/2023 10:44 AM
8354 - 8353 - Disconnect power/signal connector; Remark:8352
Procedure Step
Published
09/12/2023 9:30 AM
8353 - Disconnect power/signal connector
Instruction
Published
09/12/2023 9:26 AM
8352 - Needle nose pliers may be used
Remark
Published
09/12/2023 9:30 AM
8358 - 8357 - Remove mounting hardware; Remark:8356
Procedure Step
Published
09/12/2023 9:37 AM
8357 - Remove mounting hardware
Instruction
Published
09/12/2023 9:34 AM
8356 - For a VM-250, use Pliers. Retain hardware. For a TM-850, remove mounti...
Remark
Published
04/13/2025 5:57 PM
8605 - 8593 - Remove faulty RS232 to RS485 converter; Remark:
Procedure Step
Published
09/18/2023 12:48 PM
8593 - Remove faulty RS232 to RS485 converter
Instruction
Published
09/18/2023 11:57 AM
3397 - 3395 - Label faulty component; Remark:3396
Procedure Step
Published
07/21/2024 6:59 AM
3395 - Label faulty component
Instruction
Published
08/07/2021 11:07 AM
3396 - Use tag or tape. Include date of removal, description of failure symptoms, co...
Remark
Published
08/09/2021 11:35 AM
8601 - 8594 - Install new RS232 to RS485 Converter; Remark:
Procedure Step
Published
09/18/2023 12:46 PM
8594 - Install new RS232 to RS485 Converter
Instruction
Published
09/18/2023 12:10 PM
8602 - 8595 - Mount new RS232 to RS485 converter; Remark:8596
Procedure Step
Published
09/18/2023 12:46 PM
8595 - Mount new RS232 to RS485 converter
Instruction
Published
09/18/2023 12:12 PM
8596 - Use retained hardware.
Remark
Published
09/18/2023 12:16 PM
8603 - 2757 - Reconnect wiring; Remark:8597
Procedure Step
Published
09/18/2023 12:47 PM
7263 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Annotation
Published
04/24/2023 2:32 PM
2757 - Reconnect wiring
Instruction
Published
08/12/2021 10:35 AM
8597 - Connect power/signal connector and RJ-45 Ethernet cable.
Remark
Published
09/18/2023 12:21 PM
8604 - 8598 - Reinstall LD-260 (VM-250 only); Remark:
Procedure Step
Published
09/18/2023 12:47 PM
8598 - Reinstall LD-260 (VM-250 only)
Instruction
Published
09/18/2023 12:23 PM
7277 - 7246 - Mount new LD-260; Remark:7247
Procedure Step
Published
04/27/2023 7:07 PM
7246 - Mount new LD-260
Instruction
Published
05/10/2023 3:12 PM
7247 - Use retained screws. Use medium Phillips (PH2) screwdriver.
Remark
Published
05/10/2023 3:12 PM
7278 - 7248 - Reconnect three (3) connectors; Remark:7411
Procedure Step
Published
05/08/2023 8:31 AM
7248 - Reconnect three (3) connectors
Instruction
Published
05/10/2023 3:13 PM
7411 - Reconnect three (3) connectors
Remark
Published
05/08/2023 8:30 AM
7279 - 7249 - Return equipment to normal operating condition; Remark:
Procedure Step
Published
04/27/2023 4:13 PM
7249 - Return equipment to normal operating condition
Instruction
Published
04/08/2025 3:22 PM
8503 - 7250 - Power on RPM; Remark:7251
Procedure Step
Published
09/16/2023 9:00 PM
7250 - Power on RPM
Instruction
Published
05/01/2023 8:31 AM
7251 - Move LD-260 switch to ON position. The LED PWR ON
Remark
Published
05/10/2023 3:14 PM
7281 - 7252 - Verify RPM start-up; Remark:7253
Procedure Step
Published
04/20/2025 3:26 PM
7252 - Verify RPM start-up
Instruction
Published
04/27/2023 2:23 PM
7253 - RPM will perform a power on self-test (POST) and collect a background radiati...
Remark
Published
05/10/2023 3:14 PM
8506 - 7254 - Confirm network connection; Remark:7255
Procedure Step
Published
09/24/2023 3:34 PM
7254 - Confirm network connection
Instruction
Published
04/27/2023 2:22 PM
7255 - Contact operators to confirm communications have been reestablished between RPM ...
Remark
Published
05/10/2023 3:15 PM
8588 - 7305 - Enable both infrared occupancy sensors; Remark:8559
Procedure Step
Published
09/17/2023 11:04 PM
5553 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Annotation
Published
10/28/2022 2:19 PM
7305 - Enable both infrared occupancy sensors
Instruction
Published
05/01/2023 8:33 AM
8559 - To reconnect sensor cable, align connectors, push towards sensor, and turn co...
Remark
Published
09/29/2023 12:05 PM
8433 - 8432 - Close all RPM doors; Remark:
Procedure Step
Published
09/14/2023 9:14 AM
8432 - Close all RPM doors
Instruction
Published
09/14/2023 9:14 AM
8434 - 8431 - Generate speed message; Remark:8430
Procedure Step
Published
09/14/2023 9:15 AM
8431 - Generate speed message
Instruction
Published
09/14/2023 9:14 AM
8430 - Stand to side of control pillar. Open door with infrared sensors.
Remark
Published
09/14/2023 9:15 AM
8606 - 7308 - Verify Nano Controller response; Remark:8599
Procedure Step
Published
09/18/2023 12:49 PM
7308 - Verify Nano Controller response
Instruction
Published
05/01/2023 8:35 AM
8599 - Nano Controller LEDs will illuminate (IN1, IN2
Remark
Published
09/18/2023 12:36 PM
8437 - 8425 - Verify speed message in CAS; Remark:8424
Procedure Step
Published
09/14/2023 9:37 AM
8425 - Verify speed message in CAS
Instruction
Published
09/14/2023 9:36 AM
8424 - Contact CAS operator to verify “SP” appears in RAVEN [Radiation Alarm and...
Remark
Published
09/14/2023 9:37 AM
8589 - 7310 - Enable tamper switches; Remark:7348
Procedure Step
Published
09/17/2023 11:07 PM
7310 - Enable tamper switches
Instruction
Published
05/01/2023 8:36 AM
7348 - Remove all magnets and/or adhesive tape from door switches.
Remark
Published
09/17/2023 10:23 PM
8507 - 7256 - Close and lock all RPM doors; Remark:
Procedure Step
Published
09/24/2023 3:35 PM
7256 - Close and lock all RPM doors
Instruction
Published
04/27/2023 2:21 PM
7842 - 7820 - Inform system operators upon completion of maintenance action; Remark:
Procedure Step
Published
07/07/2023 11:15 PM
7820 - Inform system operators upon completion of maintenance action
Instruction
Published
07/07/2023 10:02 PM
322 - 321 - Document maintenance actions; Remark:
Procedure Step
Published
06/17/2021 9:49 AM
321 - Document maintenance actions
Instruction
Published
04/21/2025 11:19 AM
2869 - 2585 - Document maintenance performed; Remark:2866
Procedure Step
Published
06/18/2021 5:58 PM
2585 - Document maintenance performed
Instruction
Published
07/09/2021 12:15 PM
2866 - Record observations, times, and results for the maintenance report.
Remark
Published
04/21/2025 11:39 AM
4706 - 4705 - Submit report; Remark:4864
Procedure Step
Published
06/29/2022 9:50 AM
4705 - Submit report
Instruction
Published
06/29/2022 9:50 AM
4864 - As specified by management or contractual obligations.
Remark
Published
07/28/2022 1:36 PM
Corrective Maintenance Procedure
Document Type
Published
03/02/2020 3:32 PM
Upon failure of RS232 to RS485 Converter
Frequency
Published
09/18/2023 7:54 PM
Warning
Annotation Type
Published
03/02/2020 3:25 PM
Note
Annotation Type
Published
03/02/2020 3:25 PM
Caution
Annotation Type
Published
03/02/2020 3:24 PM
Technician 2
Skill Level
Published
04/09/2020 1:17 AM
Keys to access RPM
Replacement Parts
Published
04/27/2023 6:56 PM
Magnets and adhesive tape to disable door tamper switches
Replacement Parts
Published
06/02/2023 10:08 PM
Medium Phillips (PH2) screwdriver
Tools
Published
04/24/2020 4:40 PM
Needle nose pliers
Tools
Published
05/06/2020 4:10 PM
8mm Socket
Replacement Parts
Published
09/18/2023 6:02 PM
Orange/yellow safety vest
Replacement Parts
Published
04/27/2023 6:56 PM
Safety shoes
Replacement Parts
Published
04/27/2023 6:56 PM
Gloves
Replacement Parts
Published
05/10/2023 3:28 PM
Protective headwear: glasses, hard hat
Replacement Parts
Published
05/10/2023 3:31 PM
Orange traffic cones
Replacement Parts
Published
04/27/2023 6:56 PM
Disable tamper switch
Image
Published
09/07/2023 8:22 PM
Disable Tamper Switch
Image
Published
06/02/2023 2:28 PM
Infrared Receiver
Image
Published
09/17/2023 7:09 PM
Infrared Receiver DC
Image
Published
09/29/2023 11:47 AM
Infrared Disconnect Sensor Cable
Image
Published
09/17/2023 7:11 PM
Infrared Sensor Disconnect
Image
Published
09/17/2023 7:12 PM
Locate RS232 to RS485 Converter
Image
Published
09/11/2023 2:46 PM
Locate RS232 to RS485 Converter for train monitor
Image
Published
09/11/2023 2:49 PM
LD-260 Disconnect Switch Connector Removal
Image
Published
04/24/2023 12:57 PM
Remove two (2) mounting screws
Image
Published
09/12/2023 9:06 AM
Disconnect RJ-45 Ethernet cable
Image
Published
09/12/2023 9:17 AM
LD-260 Disconnect power signal connector
Image
Published
09/12/2023 9:29 AM
Remove mounting hardware
Image
Published
09/12/2023 9:36 AM
RS232 Converter Retained Screws
Image
Published
09/18/2023 12:15 PM
Reconnect RJ-45 Converter
Image
Published
09/18/2023 12:20 PM
LD-260 Disconnect Switch Screw Locations
Image
Published
04/24/2023 1:03 PM
LD-260 Disconnect Switch Connector Install
Image
Published
04/24/2023 1:19 PM
LD-260 Disconnect Switch Power On
Image
Published
05/04/2023 3:37 PM
Infrared Connection
Image
Published
09/29/2023 12:02 PM
Infrared Cable Installation
Image
Published
09/17/2023 10:12 PM
Infrared Sensor Cable
Image
Published
09/17/2023 10:13 PM
Open door with infrared sensors
Image
Published
09/14/2023 9:01 AM
PLC Response
Image
Published
09/18/2023 12:35 PM
Remove all magnets and or adhesive tape from door switches
Image
Published
09/08/2023 4:18 PM
Remove Magnet on Tamper Switch
Image
Published
06/02/2023 4:31 PM