Bently Nevada 3701/55 ADAPT Condition Monitor

Bently Nevada 3701/55 ADAPT condition monitor, also known as ADAPT ESD emergency shutdown device. It is a safety PLC with a graphical logic programming interface and integrated overspeed detection function, mainly used for emergency shutdown protection of rotating machinery such as steam, gas and water turbines. The relevant introduction is as follows:

Main features:

Redundant design: It adopts a compact, independent triple redundant design, equipped with three CPU modules, which can handle 32 discrete inputs and 12 analog inputs to ensure high reliability and stability of the system.

Self-diagnosis: It has extensive self-diagnosis functions, meets industry standards, can detect system failures in time, and is easy to maintain.

Flexible programming: It provides a graphical logic programming interface, and users can flexibly set logic control according to specific needs to meet different application scenarios.

Communication function:

Rich interface: It has 6 10/100Mbps Ethernet ports.

Protocol support: It supports TCP/IP protocol, can be addressed through DHCP or static IP, LAN/WAN configuration modification is password protected, and supports NTP time synchronization.

Power Requirements: Input voltage range is 18-36VDC, typical power consumption is 24W, and maximum power consumption is 35W. For hazardous area installations, the power supply must comply with local national standards.

Signal Input Specifications:

Discrete Input: It is a two-terminal dry contact, polarity is irrelevant, the maximum impedance in the closed state is 57kΩ, and the minimum impedance in the open state is 187kΩ.

Analog Input: Full scale range is 4-20mA±1%, typical operating frequency is 0-159Hz, common mode input range is ±32V, and differential input range is 0-25mA.

Approach Speed Input: Input voltage range is 0 to -24VDC, sensor power supply is typically -24VDC, operating frequency is 3Hz-10kHz, minimum pulse amplitude is 1.0Vpp, and maximum pulse amplitude is 24Vpp.

Dimensions and weight:

Dimensions: The overall dimensions of the condition monitor are 25.4x30.48x18.0cm, the dimensions of the processing module are 15.8x6.1x15.8cm, and the dimensions of the relay output module are 15.8x2.8x15.8cm.

Weight: The overall weight of the condition monitor is 8.8kg, the weight of the processing module is 1.2kg, and the weight of the relay output module is 0.6kg.