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Table of Contents
Summary of Contents for JST J3MAG
- Page 1 J3MAG™ Control Module PRODUCT MANUAL Switchgear Solutions...
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Page 2: Table Of Contents
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Table of Contents Safety Precautions ............2 Control Module ..............6 Hardware................ 10 Functional Flowchart ............ 11 Operation ............... 12 Troubleshooting ............13 Page 1 of 20... -
Page 3: Safety Precautions
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Safety Precautions WARNING: FOLLOW BASIC PRECAUTIONS TO REDUCE ELECTRICAL SHOCK, FIRE, INJURY AND EXPLOSION HAZARDS: DO NOT attempt to service, modify, or repair the module unless you are a ... - Page 4 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Environmental Conditions: Ensure that the control module is housed in a clean, dry, and well-ventilated area to avoid overheating, moisture buildup, and dust accumulation. Regularly clean surrounding area.
- Page 5 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Alarm Monitoring: Monitor alarm indicators and ensure the system is configured to provide alerts in the event of a fault or abnormal condition. 7. Emergency Shutdown Procedures Know Emergency Protocols: Ensure that all personnel are familiar with the emergency ...
- Page 6 15. Power Surge or Lightning Strikes Power surges or lightning strikes can cause catastrophic damage to the J3MAG control module and connected devices, resulting in complete failure. Install surge protectors at the power entry point of the control system to protect the module and other equipment from power spikes.
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Page 7: Control Module
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 16. Corrosion from Environmental Factors Corrosion due to moisture, chemicals, or dust in the environment can lead to poor electrical connections and short circuits within the control module. This often occurs on metal contacts, connectors, and exposed circuit boards, impairing the module’s... - Page 8 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 DIP Switch 2: 120 VAC Control Voltage Selection Function: Selects 120 VAC as incoming signal voltage for remote operation. Switch ON: Enables 120 VAC remote signals.
- Page 9 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Figure 1: DIP Switch Location Page 8 of 20...
- Page 10 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Figure 2: Control Module (Exterior) Figure 3: Control Module (Interior) Page 9 of 20...
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Page 11: Hardware
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Hardware Power Module: Supports a wide range of input voltages to power all module functions. Capable of drawing energy from the capacitor if the incoming main power is not present. -
Page 12: Functional Flowchart
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Functional Flowchart Power on Ready Inputs: Capacitor diagnostics Initial setup and resetting input. of inputs and outputs Relay open/close inputs. Manual open/close inputs. Interlock input. Breaker diagnostic input. Is the... -
Page 13: Operation
J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Operation 1. Normal Operation LED Indication The control module uses LED light to indicate various operational states. Below are the LED patterns that can be observed during normal operation of the control module: ... -
Page 14: Troubleshooting
Troubleshooting 1. Power Supply Issues Issue: An unstable or inadequate power supply can lead to unexpected shutdowns, failure to initialize, or erratic behavior in the J3MAG control module. Voltage Fluctuations: Variations in voltage, such as power surges or ... - Page 15 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Relocate the control module and wiring away from sources of high electromagnetic noise, such as large motors or power transformers. Ferrite beads or core filters can be added to power and communication lines to filter high-frequency interference.
- Page 16 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 5. Communication Failures Issue: External communication issues, such as loss of connection or errors in data transmission, can lead to system malfunctions or failure to operate as expected.
- Page 17 Ground loops: This can cause noise or voltage fluctuations that affect the performance of the control module. Solution: Ensure that all equipment, including the J3MAG control module and associated devices, is properly grounded according to the manufacturer’s specifications. Use dedicated ground lines for sensitive equipment and avoid sharing ...
- Page 18 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 1 Issue: Breaker will not close. a. Check that a remote trip signal is not already present in the trip remote control input. b. Check wiring and control voltage.
- Page 19 If there is injury, death, property or other damages because of this failure, JST is not liable. Please follow the guidance set forth herein. Page 18 of 20...
- Page 20 J3MAG Control Module Product Manual LM-MRD-005 Revision: D Submission Date: 4/30/2025 Notes Page 19 of 20...
- Page 21 30 Skyline Drive | Lake Mary, FL 32746, USA Website JSTPower.com | Email sales@jstpower.com Phone +1 (407) 632-4050 | Toll Free +1 (844) 631-9046 Fax +1 (407) 982-1153 © 2025 JST Power Equipment Inc. All rights reserved. Page 20 of 20...
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