RPM SC-771 Controller Board Replacement | FRONTLINE Maintenance Tool

Last Updated: 04/24/2025 1:44 AM

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

Title	Type	Status	Last Updated
Rapiscan CM-267 Conveyor Monitor	Device	Published	06/27/2024 1:02 PM
Rapiscan PM-700 Pedestrian Monitor	Device	Published	06/20/2024 11:38 AM
Rapiscan TM-850 Rail Monitor	Device	Published	09/18/2024 10:28 AM
Rapiscan VM-250 Vehicle Monitor	Device	Published	10/14/2024 9:50 AM
1402 - 7927 - Establish Initial Conditions; Remark:	Procedure Step	Published	09/30/2022 1:47 PM
7927 - Establish Initial Conditions	Instruction	Published	07/12/2023 12:23 AM
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
8244 - 7683 - Record SC-770 parameter values; Remark:8243	Procedure Step	Published	09/06/2023 3:59 PM
7683 - Record SC-770 parameter values	Instruction	Published	07/02/2023 12:09 AM
8243 - If possible, record SC-770 parameter settings on a blank FCT datasheet for us...	Remark	Published	09/06/2023 3:59 PM
7270 - 7235 - Power off RPM; Remark:7236	Procedure Step	Published	09/01/2023 7:57 PM
7235 - Power off RPM	Instruction	Published	04/24/2023 12:30 PM
7236 - Move LD-260 switch to OFF position. The PWR ON	Remark	Published	04/27/2023 4:25 PM
10320 - 10319 - Uninstall Faulty SC-771 Controller Board; Remark:	Procedure Step	Published	11/17/2023 1:10 PM
10319 - Uninstall Faulty SC-771 Controller Board	Instruction	Published	11/17/2023 1:05 PM
8239 - 8238 - Loosen SC-770 cover screws; Remark:8237	Procedure Step	Published	09/06/2023 4:14 PM
8238 - Loosen SC-770 cover screws	Instruction	Published	09/06/2023 4:03 PM
8237 - Use the medium Phillips screwdriver to loosen screws. The screws should be ca...	Remark	Published	09/06/2023 4:14 PM
9716 -	Remark	Published	10/13/2023 2:38 PM
8240 - 8235 - Pull cover straight out and away from SC-770 body before rotating lid down; Remark:9715	Procedure Step	Published	09/06/2023 4:18 PM
8236 - Caution : Do not rotate the lid down before pulling it straight away from the SC-770 bo...	Annotation	Published	09/06/2023 4:18 PM
8235 - Pull cover straight out and away from SC-770 body before rotating lid down	Instruction	Published	09/06/2023 4:17 PM
9715 -	Remark	Published	10/13/2023 2:36 PM
8246 -	Remark	Published	09/06/2023 4:32 PM
8247 - 8245 - Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-...; Remark:8276	Procedure Step	Published	09/06/2023 4:35 PM
1345 - Note : It is good practice to ensure all cables and connectors are labeled prior to ...	Annotation	Published	10/04/2022 11:08 AM
8245 - Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-...	Instruction	Published	09/06/2023 4:33 PM
8276 -	Remark	Published	09/07/2023 3:28 PM
8274 - 8273 - Remove 8 mounting screws; Remark:8272	Procedure Step	Published	09/07/2023 2:40 PM
8273 - Remove 8 mounting screws	Instruction	Published	09/07/2023 2:40 PM
8272 - Do not lose the screws. They are reused to secure the SC-771 board.	Remark	Published	09/07/2023 2:40 PM
8275 - 8271 - Remove board from SC-770 controller module; Remark:	Procedure Step	Published	09/07/2023 2:41 PM
8271 - Remove board from SC-770 controller module	Instruction	Published	09/07/2023 2:41 PM
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
8270 - 8269 - Install New SC-771 Board; Remark:	Procedure Step	Published	09/07/2023 2:44 PM
8269 - Install New SC-771 Board	Instruction	Published	09/07/2023 2:44 PM
8266 - 8265 - Install new SC-771 board; Remark:8264	Procedure Step	Published	09/07/2023 2:46 PM
8265 - Install new SC-771 board	Instruction	Published	09/07/2023 2:45 PM
8264 - The spare SC-771 should include a rabbit board. If it does not, install one a...	Remark	Published	09/07/2023 2:45 PM
8267 - 8262 - Reconnect all wiring harness assembly/connectors and Ethernet cable; Remark:	Procedure Step	Published	09/07/2023 2:47 PM
8263 - Caution : Proper connection of wiring harnesses and Ethernet cable is critical	Annotation	Published	09/07/2023 2:53 PM
8262 - Reconnect all wiring harness assembly/connectors and Ethernet cable	Instruction	Published	09/07/2023 2:46 PM
8268 - 8261 - Close SC-770 module cover and tighten all screws; Remark:	Procedure Step	Published	09/07/2023 2:50 PM
8261 - Close SC-770 module cover and tighten all screws	Instruction	Published	09/07/2023 2:50 PM
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
7280 - 7250 - Power on RPM; Remark:7251	Procedure Step	Published	04/27/2023 4:14 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
8256 - 8193 - Verify Rabbit board firmware is correct; Remark:8194	Procedure Step	Published	09/07/2023 2:57 PM
8254 - Note : If firmware version is not correct, perform procedure DET-RPM-RAP-CM02 to upd...	Annotation	Published	09/07/2023 2:56 PM
8255 - Caution : The firmware version must be correct to operate the system	Annotation	Published	09/07/2023 2:57 PM
8193 - Verify Rabbit board firmware is correct	Instruction	Published	09/01/2023 7:18 PM
8194 - Enter Program Mode by pressing “0.” Enter the password ...	Remark	Published	09/01/2023 7:23 PM
8257 - 8252 - Input currently approved SC-770 parameter settings; Remark:8251	Procedure Step	Published	09/07/2023 3:02 PM
8253 - Caution : To ensure proper RPM operation, careful attention must be paid when entering ...	Annotation	Published	09/07/2023 3:00 PM
8252 - Input currently approved SC-770 parameter settings	Instruction	Published	09/07/2023 2:59 PM
8251 - Use parameters previously recorded in Step 1-3. If those were not recorded, t...	Remark	Published	09/07/2023 3:00 PM
8258 - 319 - Perform operational test; Remark:8219	Procedure Step	Published	04/08/2025 2:11 PM
319 - Perform operational test	Instruction	Published	06/10/2021 8:31 PM
8219 - DET-RPM-RAP-RM03, Operational Testing procedure.	Remark	Published	09/01/2023 8:45 PM
8260 - 8250 - Reopen Lane; Remark:8249	Procedure Step	Published	09/07/2023 3:09 PM
8250 - Reopen Lane	Instruction	Published	09/07/2023 3:09 PM
8249 - Remove orange safety (traffic control) cones	Remark	Published	09/07/2023 3:09 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
30 minutes	Duration	Published	04/01/2020 11:35 AM
Upon SC-771 board failure	Frequency	Published	11/17/2023 12:47 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Technician 2	Skill Level	Published	04/09/2020 1:17 AM
Phillips screwdriver, medium	Replacement Parts	Published	07/07/2023 11:39 PM
Phillips screwdriver, small	Replacement Parts	Published	07/07/2023 11:39 PM
LD-260 Disconnect Switch Power Off	Image	Published	04/24/2023 12:49 PM
SC-770 Controller Screws	Image	Published	09/01/2023 5:56 PM
Loosen SC-770 cover screws	Image	Published	09/20/2023 1:14 PM
Loosen SC-770 cover screws zoom in	Image	Published	10/13/2023 2:17 PM
SC-770 lid cover removal instruction	Image	Published	10/13/2023 2:22 PM
SC-770 lid cover removal	Image	Published	09/06/2023 4:31 PM
Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-771	Image	Published	09/07/2023 3:27 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

DET-RPM-RAP-CM09

Replace SC-771 RPM controller board

Equipment Hierarchy

Rapiscan CM-267 Conveyor Monitor

Rapiscan PM-700 Pedestrian Monitor

Rapiscan TM-850 Rail Monitor

Rapiscan VM-250 Vehicle Monitor

Frequency

Upon SC-771 board failure

Technician Level

Technik 2

x 1

Duration

Time increment

30 minutes

Length of time

Tools Required

Phillips screwdriver, medium

Phillips screwdriver, small

Materials Required

SC-771 board (Rapiscan Part #8751AA)

Vehicle and Pedestrian Monitor VM-250AGN/PM-700AGN Operations & Service Manual

Functional Compliance Test Datasheet

Originators

Craig Stinson

Bailey Toon

Originating Organization

PNNL

Approver

Eric Hirschi

Safety Concerns

Traffic

Retest Requirements

RPM Operational Test

Additional Retest Requirements Information

DET-RPM-RAP-RM03, Operational Testing Procedure - Not entered as of 9.6.2023 -- will need to go back and link it into retest requirements once it is entered and approved in the system.

Final Documentation

Corrective maintenance report

Departmental Coordination

Prior to arrival, notify operators concerning expected work, duration, and anticipated alarms and fault indications. Operators should expect numerous fault indications and alarms during procedure.

Date of Origin

2017-01-12

Version #

Revision Date

2023-09-06

Revision Author

Paul Francik

Príprava

Step 1

Main Step

1402 - 1401 - Establish Initial Conditions; Remark:

Step 00

7927 - Establish Initial Conditions

Establish Initial Conditions

7268 - 7231 - Close lane; Remark:7233

9053 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...

Type

Warning

Traffic should temporarily be rerouted or halted during conduction of this procedure to ensure maintenance provider safety and to prevent unscreened vehicles from passing.

Step 00

7231 - Close lane

Close lane

7233 - Use orange safety (traffic control) cones to setup barriers. Practice establi...

Use orange safety (traffic control) cones to setup barriers. Practice established safety protocols.

8244 - 7683 - Record SC-770 parameter values; Remark:8243

Step 00

7683 - Record SC-770 parameter values

Record SC-770 parameter values

8243 - If possible, record SC-770 parameter settings on a blank FCT datasheet for us...

If possible, record SC-770 parameter settings on a blank FCT datasheet for use in step 4-2.
Instructions for navigating the parameter settings can be found in the Vehicle and Pedestrian Monitor VM-250AGN/PM-700AGN Operations & Service Manual.

7270 - 7235 - Power off RPM; Remark:7236

Step 00

7235 - Power off RPM

Power off RPM

7236 - Move LD-260 switch to OFF position. The PWR ON

Move LD-260 switch to OFF position. The PWR ON LED will turn off.

Prevádzka

Step 2

Main Step

10320 - 10319 - Uninstall Faulty SC-771 Controller Board; Remark:

Step 00

10319 - Uninstall Faulty SC-771 Controller Board

Uninstall Faulty SC-771 Controller Board

8239 - 8238 - Loosen SC-770 cover screws; Remark:8237

Step 00

8238 - Loosen SC-770 cover screws

Loosen SC-770 cover screws

8237 - Use the medium Phillips screwdriver to loosen screws. The screws should be ca...

Use the medium Phillips screwdriver to loosen screws. The screws should be captured and should not come completely out of the lid.

9716 -

8240 - 8235 - Pull cover straight out and away from SC-770 body before rotating lid down; Remark:9715

8236 - Caution : Do not rotate the lid down before pulling it straight away from the SC-770 bo...

Type

Caution

Do not rotate the lid down before pulling it straight away from the SC-770 body; doing so will break the hinge.

Step 00

8235 - Pull cover straight out and away from SC-770 body before rotating lid down

Pull cover straight out and away from SC-770 body before rotating lid down

9715 -

8246 -

8247 - 8245 - Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-...; Remark:8276

1345 - Note : It is good practice to ensure all cables and connectors are labeled prior to ...

Type

Note

It is good practice to ensure all cables and connectors are labeled prior to disconnection.

Step 00

8245 - Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-...

Disconnect all wiring harness assembly/connectors and Ethernet cable from SC-771

8276 -

8274 - 8273 - Remove 8 mounting screws; Remark:8272

Step 00

8273 - Remove 8 mounting screws

Remove 8 mounting screws

8272 - Do not lose the screws. They are reused to secure the SC-771 board.

Do not lose the screws. They are reused to secure the SC-771 board.

8275 - 8271 - Remove board from SC-770 controller module; Remark:

Step 00

8271 - Remove board from SC-770 controller module

Remove board from SC-770 controller module

3397 - 3395 - Označte chybný komponent; Remark:3396

Step 00

3395 - Označte chybný komponent

Označte chybný komponent

3396 - Použite štítok alebo pásku. Uveďte dátum odstránenia, opis príznakov zlyhania, k...

Použite štítok alebo pásku. Uveďte dátum odstránenia, opis príznakov zlyhania, krajinu, miesto a číslo/počet jazdných pruhov. Majte k dispozícii časti príručky alebo zmluvné požiadavky NSDD.

Prevádzka

Step 3

Main Step