CR310电路保护的TVS-晶闸管规格书PDF中文资料

Benefits and Features

Set up easily with PC software and USB connectivity

Measure with confidence analogue and digital sensors

Internet ready—email, FTP, HTTP/web, TCP-with required add-ons

Trust in the Campbell Scientific quality, including integral surge and ESD protection

Save money and space using the integrated Ethernet port

Network wirelessly to another node or Internet gateway with integrated radio option

CR310-WIF! ideal for short-range, wireless IP communication

Wiring made easy through removable terminal block

Communicate from anywhere when using cellular or satellite peripheral

Charge batteries using the integrated 12 V battery solar charge regulator

Measure smart sensors using RS-232 or SDI-12

Connect with PakBus, Modbus, DNP3, GOES, and other standard communication protocols

Analyze and control with programmability and multiple general purpose /0O

Notify with event-driven communications and physical outputs

Technical Description

Terminal Descriptions

One switched 12V terminal (SW12V) for powering sensors or communication devices, 1100 mA @ 20°C

Two sensor excitation or continuous 0.15 to 5V terminals (VX1, VX2) for sensor excitation or output control

Six multipurpose analogue input terminals (SE1 - SE6)

Analogue functions (SE1 - SE6)

Analogue inputs: 6 single-ended or 3 differential inputs with -100 to +2500 mV and +34 mV ranges 24 bit ADC

41020 mA or0 to 20 mA inputs (SE1, SE2 only)

Digital /O functions (SET - SE4) consist of 3.3 V logic levels for:

High frequency counter (35 kHz)

Pulse width modulation

Interrupts and timer input

Period average (200 kHz, amplitude dependent)

Two Pulse Counting Terminals (P_SW, P_LL)

P_SW

Switch closure (150 Hz)

High frequency counter (35 kHz)

P_LL

Low level ac (20 kHz)

High frequency counter (20 kHz)

Two Control Terminals (C1, C2): C terminals are software configurable for digital functions

Digital /O functions consist of 5V output and 3.3 Vinput logic levels for:

SD-12

High frequency counter (3 kHz)

Switch closure (150 Hz)

General status/control

Voltage source 5V: 10mA@ 3.5V

Interrupts

Serial asynchronous communication Tx/Rx pair