Last Updated: 06/19/2025 1:46 AM
The following table lists all the components that make up the document.
Replace the VersaMax Nano Controller on the radiation portal monitor (RPM).
Minutes
Prior to arrival, notify operators concerning expected work, duration, and anticipated alarms and fault indications.
7264 - 1401 - Establish Initial Conditions; Remark:
1401 - Establish Initial Conditions
Establish Initial Conditions
7622 - 7592 - Inform system operators; Remark:11335
7592 - Inform system operators
Inform system operators
11335 - Upon arrival, brief system operators on expected work, duration, anticipated ...
Upon arrival, brief system operators on expected work, duration, anticipated alarms, and fault indications before starting work.
7268 - 7231 - Close lane; Remark:7233
9053 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...
Traffic should temporarily be rerouted or halted during conduction of this procedure to ensure maintenance provider safety and to prevent unscreened vehicles from passing.
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.
7269 - 7232 - Open RPM door; Remark:7234
7232 - Open RPM door
Open RPM door
7234 - Open all doors needed to access components.
Open all doors needed to access components.
7755 - 7679 - Disconnect Ethernet; Remark:11336
7680 - Caution : Make sure to press release button on back of Ethernet cable before removing.
Make sure to press release button on back of Ethernet cable before removing.
7679 - Disconnect Ethernet
Disconnect Ethernet
11336 - Locate Ethernet connector on top of SC-770 controller. Press release button o...
Locate Ethernet connector on top of SC-770 controller. Press release button on back of connector. Pull connector.

7270 - 7235 - Power off RPM; Remark:7236
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.

7454 - 7290 - Disable tamper switches; Remark:7416
7290 - Disable tamper switches
Disable tamper switches
7416 - Use a magnet to disable tamper switches for all open doors. Use adhesive tape...
Use a magnet to disable tamper switches for all open doors. Use adhesive tape to disable older mechanical switches.


8561 - 7291 - Disable both infrared occupancy sensors; Remark:8514
5291 - Note : It is good practice to verify all cables and connectors are labeled prior to ...
It is good practice to verify all cables and connectors are labeled prior to disconnection.
7291 - Disable both infrared occupancy sensors
Disable both infrared occupancy sensors
8514 - Verify sensors mounted in control pillar door are receivers.
Verify sensors mounted in control pillar door are receivers.


9205 - To disconnect sensor cable, turn collar counterclockwise and pull away from s...
To disconnect sensor cable, turn collar counterclockwise and pull away from sensor.


8890 - 7292 - Uninstall Faulty Nano Controller; Remark:
7292 - Uninstall Faulty Nano Controller
Uninstall Faulty Nano Controller
8370 - 8369 - Disconnect RJ-45 Ethernet cable; Remark:8368
5291 - Note : It is good practice to verify all cables and connectors are labeled prior to ...
It is good practice to verify all cables and connectors are labeled prior to disconnection.
8369 - Disconnect RJ-45 Ethernet cable
Disconnect RJ-45 Ethernet cable
8368 -

8377 - 8376 - Disconnect occupancy sensor wires; Remark:8375
8376 - Disconnect occupancy sensor wires
Disconnect occupancy sensor wires
8375 - Use small slotted screwdriver. Remove wires from I1 terminal...
Use small slotted screwdriver. Remove wires from I1 terminal and I2 terminal.

8378 - 8374 - Disconnect power wires; Remark:8373
8374 - Disconnect power wires
Disconnect power wires
8373 - These wires go to Terminal Block 1 (TB1). Use small slotted screwdriver
These wires go to Terminal Block 1 (TB1). Use small slotted screwdriver

8379 - 8372 - Disconnect occupancy output wire; Remark:8371
8372 - Disconnect occupancy output wire
Disconnect occupancy output wire
8371 - Use small slotted screwdriver. Remove green wire from Q1 ter...
Use small slotted screwdriver. Remove green wire from Q1 terminal.

8891 - 7297 - Remove faulty Nano Controller; Remark:8380
8382 - Note : Nano Controller installation may differ from configuration shown in this proc...
Nano Controller installation may differ from configuration shown in this procedure.
7297 - Remove faulty Nano Controller
Remove faulty Nano Controller
8380 - Use slotted screwdriver to pull down tab and rotate Nano Controller up. Use m...
Use slotted screwdriver to pull down tab and rotate Nano Controller up. Use medium Phillips (PH2) screwdriver if Nano Controller is mounted with screws.


3397 - 3395 - Label faulty component; Remark:3396
3395 - Label faulty component
Label faulty component
3396 - Use tag or tape. Include date of removal, description of failure symptoms, co...
Use tag or tape. Include date of removal, description of failure symptoms, country, site, and lane number. Dispose per Nuclear Smuggling Detection and Deterrence (NSDD) guidance or contractual requirements.
8894 - 7298 - Install New Nano Controller; Remark:
7298 - Install New Nano Controller
Install New Nano Controller
8895 - 7299 - Mount new Nano Controller; Remark:8892
7299 - Mount new Nano Controller
Mount new Nano Controller
8892 - Hook nano controller to top of mounting rail and rotate down. Nano controller...
Hook nano controller to top of mounting rail and rotate down. Nano controller will snap into place.

8896 - 7300 - Reconnect occupancy output wire; Remark:7338
7263 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Correct placement of connectors and wiring is critical to proper operation.
7300 - Reconnect occupancy output wire
Reconnect occupancy output wire
7338 - Insert green wire in Q1 terminal. Use a small slotted screwdriver.
Insert green wire in Q1 terminal. Use a small slotted screwdriver.

8897 - 7301 - Reconnect power wires; Remark:7339
7263 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Correct placement of connectors and wiring is critical to proper operation.
7301 - Reconnect power wires
Reconnect power wires
7339 - Use a small slotted screwdriver to reconnect existing power wires on terminal...
Use a small slotted screwdriver to reconnect existing power wires on terminal block TB1 to Nano Controller:
Red wire - (+)
Black wire - (-)

8898 - 7302 - Reconnect occupancy sensor wires; Remark:7340
7263 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Correct placement of connectors and wiring is critical to proper operation.
7302 - Reconnect occupancy sensor wires
Reconnect occupancy sensor wires
7340 - Connect black wire from black infrared occupancy sensor to I1
Connect black wire from black infrared occupancy sensor to I1 terminal. Connect black wire from yellow infrared occupancy sensor to I2 terminal. Use a small slotted screwdriver.

8899 - 7303 - Reconnect RJ-45 Ethernet cable; Remark:8893
7303 - Reconnect RJ-45 Ethernet cable
Reconnect RJ-45 Ethernet cable
7279 - 7249 - Return equipment to normal operating condition; Remark:
7249 - Return equipment to normal operating condition
Return equipment to normal operating condition
7280 - 7250 - Power on RPM; Remark:7251
7250 - Power on RPM
Power on RPM
7251 - Move LD-260 switch to ON position. The LED PWR ON
Move LD-260 switch to ON position. The LED PWR ON will illuminate.

7281 - 7252 - Verify RPM start-up; Remark:7253
7252 - Verify RPM start-up
Verify RPM start-up
7253 - RPM will perform a power on self-test (POST) and collect a background radiati...
RPM will perform a power on self-test (POST) and collect a background radiation measurement.
8587 - 7305 - Enable both infrared occupancy sensors; Remark:8559
5553 - Caution : Correct placement of connectors and wiring is critical to proper operation.
Correct placement of connectors and wiring is critical to proper operation.
7305 - Enable both infrared occupancy sensors
Enable both infrared occupancy sensors
8559 - To reconnect sensor cable, align connectors, push towards sensor, and turn co...
To reconnect sensor cable, align connectors, push towards sensor, and turn collar clockwise.



7474 - 7310 - Enable tamper switches; Remark:7451
7310 - Enable tamper switches
Enable tamper switches
7451 - Remove magnets and/or adhesive tape from door tamper switches.
Remove magnets and/or adhesive tape from door tamper switches.

7781 - 7730 - Reconnect Ethernet; Remark:7731
7730 - Reconnect Ethernet
Reconnect Ethernet
7731 - Insert Ethernet connector at top of SC-770 module. Connector will audibly "cl...
Insert Ethernet connector at top of SC-770 module. Connector will audibly "click" when seated properly.
8433 - 8432 - Close all RPM doors; Remark:
8432 - Close all RPM doors
Close all RPM doors
7282 - 7254 - Confirm network connection; Remark:7255
7254 - Confirm network connection
Confirm network connection
7255 - Contact operators to confirm communications have been reestablished between RPM ...
8434 - 8431 - Generate speed message; Remark:8430
8431 - Generate speed message
Generate speed message
8430 - Stand to side of control pillar. Open door with infrared sensors.
Stand to side of control pillar. Open door with infrared sensors.

8606 - 7308 - Verify Nano Controller response; Remark:8599
7308 - Verify Nano Controller response
Verify Nano Controller response
8599 - Nano Controller LEDs will illuminate (IN1, IN2
Nano Controller LEDs will illuminate (IN1, IN2, and all OUT LEDs).

8437 - 8425 - Verify speed message in CAS; Remark:8424
8425 - Verify speed message in CAS
Verify speed message in CAS
8424 - Contact CAS operator to verify “SP” appears in RAVEN [Radiation Alarm and...
Contact CAS operator to verify “SP” appears in RAVEN [Radiation Alarm and Video Event Notification] data stream and/or the daily file. Speed messages can also be viewed by connecting a computer to the SC-770 Ethernet output.
9385 - 319 - Perform operational test; Remark:9347
319 - Perform operational test
Perform operational test
9347 - DET-RPM-RAP-RM03 RPM Operational Test.
DET-RPM-RAP-RM03 RPM Operational Test.
7283 - 7256 - Close and lock all RPM doors; Remark:
7256 - Close and lock all RPM doors
Close and lock all RPM doors
8260 - 8250 - Reopen Lane; Remark:8249
8250 - Reopen Lane
Reopen Lane
8249 - Remove orange safety (traffic control) cones
Remove orange safety (traffic control) cones
7842 - 7820 - Inform system operators upon completion of maintenance action; Remark:
7820 - Inform system operators upon completion of maintenance action
Inform system operators upon completion of maintenance action
322 - 321 - Document maintenance actions; Remark:
321 - Document maintenance actions
Document maintenance actions
2869 - 2585 - Document maintenance performed; Remark:2866
2585 - Document maintenance performed
Document maintenance performed
2866 - Record observations, times, and results for the maintenance report.
Record observations, times, and results for the maintenance report.
4706 - 4705 - Submit report; Remark:4864
4705 - Submit report
Submit report
4864 - As specified by management or contractual obligations.
As specified by management or contractual obligations.