CLT01-38S4

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产品概述

描述

CLT01-38S4 adds to the existing current limiter family. Still focusing on power consumption savings, the whole series allows each customer to find the right solution.

The CLT01-38S4 is an octal input termination device with a high speed SPI output. Its maximum input data rate is 400 kbps while the output SPI speed is 6.25 MHz.

As in previous versions, robustness is a key feature of CLT01-38S4. The product is compliant with surge standards defined in IEC 61000-4-x.

It can run all types of sensor according to IEC 61131-2. Type 1 and 3 with a 2.35 mA limited current and type 2 using two inputs per sensor with the correct R_REF.

所有功能
8-input circuit in common ground low side topology

Wide range input DC voltage V_I: -30 V to 35 V

On state threshold: < 11 V with R_I= 2.2 kΩ

Off state threshold: I_in> 1.5 mA or V_i> 5 V

Protected against -30 V reverse polarity

Typical I_LIM= 2.1 to 2.6 mA adjustable current limiters

Tight current tolerance including temperature compensation: ±10%

Serial output with an SPI communication bus

Clock frequency up to 6.25 MHz
CPHA = CPOL = 0 bus master operation

Multi CLT operation in daisy chain connection

16-bit mode: 8 bits for data / 8 bits for control

Minimum capture time: 4 μs

Input data rate: 200 kbps/100 kHz

Minimum propagation transfer time: 7 μs

8-bit mode: 8 bits for data

Minimum capture time: 2.5 μs

Input data rate: 400 kbps/200 kHz

Minimum propagation transfer time: 4 μs

VCC = -0.3 to +35 V with RC = 2.2 kΩ

Ambient temperature range: -25 to +85°C

Digital inputs for programmable logic controller and decentralized I/O modules

Benefits

Enables input to meet type 1, 2 and 3 characteristics of IEC 61131-2 standard

Compatible operation with 2 wires proximity sensor according EN 60947-5-2 standard

Compact board with surface mount integration and reduced count of isolated couplers

Reduces the count of input-output of the bus controller circuit

Provides energy-less input LED visual status

Enhanced functional reliability

Built-in over voltage robustness and immune data transfer

Reduced dissipation: 78 mW max. per channel

Complies with following standards (R_I= 2.2 Ω, R_C= 2.2 Ω, C = 33 nF):

Electrostatic discharge, IEC 61000-4-2:
±8 kV contact discharge
±15 kV air discharge

Electrical transient immunity IEC 61000-4-41:
F_SCK= 6.25 MHz, ±3 kV
F_SCK= 10 kHz, ±4 kV

Voltage surge IEC 61000-4-5
Input: ±15 kV
Power supply: ±2.5 kV
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