S33GNNA-RNNM-00 Pacific Motor

Description

PACIFIC SCIENTIFIC R65GENA-R2-NS-NV-00 Application Industrial Control

PACIFIC SCIENTIFIC R65GENA-R2-NS-NV-00 Application Industrial Control

Dangerous voltages, resulting from cable capacitance, exists on some cable shields if the shields are not connected to PE ground. Proper grounding of shields is also requS33GNNA-RNNM-00 Pacific Motor
S33GNNA-RNNM-00 Pacific Motor

Emergency Stop

If personal injury can result from motor motion, the user must provide an external hardwired emergency stop circuit outside the drive. This circuit must simultaneously remove power from the drive’s motor power terminal TB1-11, TB1-12, and TB1-13 and disable the drive (by disconnecting J2 pin 37 from I/O RTN). Note: The motor will coast under this condition with no braking torque. If breaking torque is required to quickly stop the motor, a dynamic brake can be added that loads the motor’s windings resistively. The motor should not be loaded until the servo drive is disabled. Note that the holding brake which is optional on Pacific Scientific motors is not intended to stop a spinning motor. It is designed to prevent a stopped motor from rotating due to an applied torque.

Avoiding Electrical Shock

Never power the servo drive with the cover removed or with anything attached to circuitry inside the cover. If the drive must be removed from the cabinet, wait at least five minutes after turning off power before removing any cables from the drive or removing the drive from the mounting panel. Never connect or disconnect any wiring to the drive while power is applied. Always power down and wait five minutes before connecting or disconnecting any wires to the terminals.

Based on the safety requirements of the third level of safety protection mentioned above, the following safety protection suggestions are made for the DCS control system:
1. Deploy an intrusion detection system within the DCS control system for detecting attacks within the network. The intrusion detection system effectively compensates for the shortcomings of boundary isolation products, can effectively monitor all real-time transmission data on the switch, provide comprehensive professional intrusion detection capabilities, and provide comprehensive information display and security warnings for DCS system users through protocol status checks and intelligent correlation analysis. It provides decision-making basis for improving the risk control environment of user networks and is an indispensable part of the entire network system.
2. Deploying a security monitoring and auditing system within the DCS control system, it adopts bypass deployment to “zero risk” the production process of the power plant. Based on deep packet inspection (DPI) of communication packets for industrial control protocols (such as Modbus TCP, OPC, Siemens S7, DNP3, and IEC104), it can detect network attacks, user misoperations, user violations, illegal device access, and worms in real-time against industrial protocols The spread of malicious software such as viruses and real-time alarms, as well as detailed recording of all network communication behaviors, including instruction level industrial control protocol communication records, provide a solid foundation for the investigation of security accidents in industrial control systems.
3. Deploy a security operation and maintenance management system in the DCS control system, which is a centralized security operation and maintenance management system that integrates user (Account) management, authorization management, authentication management, and comprehensive audit. This system can provide a centralized management platform for enterprises, reducing system maintenance workload; Can provide comprehensive user and resource management for enterprises, reducing maintenance costs for enterprises; Can help enterprises formulate strict resource access policies and adopt strong identity authentication methods to comprehensively ensure the security of system resources; Capable of detailed recording of user access and operations to resources, meeting the needs of auditing user behavior.
4. Deploy host security protection software in various operator stations, engineer stations, and other hosts of the DCS control system. Currently, the “whitelist” security mechanism is mainly used for virus protection of the DCS system host. The “whitelist” protection mechanism subverts the traditional “blacklist” idea of antivirus software, and adopts a lightweight “whitelist” mechanism in contrast to it, which can effectively prevent viruses such as Zhenwang, Flame, Havex, etc The infection, execution, and spread of industrial control malicious programs or code, including BlackEnergy, on industrial control hosts. And there are no issues such as accidental killing or false alarms that affect the normal operation of the DCS control system.
5. The centralized management of security products and unified security management platform is a software and hardware integrated system that manages security products and security events in the DCS system network. By centrally managing security products such as boundary isolation, network monitoring, and host protection in the control network, unified configuration, comprehensive monitoring, real-time alarm, and traffic analysis of various security devices, systems, and hosts in the entire network are achieved, reducing operation and maintenance costs and improving event response efficiency.

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