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BLE Bolt Adapter

1.Brief introduction

    Ble bolt adapter is a bridge product that converts industrial fieldbus can / RS485 / RS232 to Bluetooth wireless network. As a cable replacement scheme, it can directly forward bus data to Bluetooth wireless network, and vice versa. Any ble wireless device can be connected to the bus through a bolt adapter to interact with the devices in the bus. In some occasions where it is inconvenient to approach the machine for direct operation, such as limited space, the cabinet door cannot be opened, or there are safety hazards, the equipment operator can access and control the machine from a long distance through the bolt adapter, which effectively avoids such problems.

    The bolt adapter has a strong housing and unique shape. By creating a 50mm through hole, it can be installed on any plane. Combined with the basic protection installation kit, it can adapt to various harsh environments in factory automation.

    The bolt adapter provides three data conversion modes when using CAN bus communication: transparent conversion, transparent band mark conversion and Modbus protocol conversion (supporting Modbus RTU protocol). When using RS485 / RS232 bus communication, it directly transmits transparently. Users can configure various parameters of the bolt adapter through Bluetooth.

2.Typical application

    The figure shows the typical application of bolt adapter in CAN bus network (rs385 / RS232 bus network is similar):

3.Features
  • Conversion from serial can / RS485 / RS232 to Bluetooth wireless network
  • Multiple data conversion modes
  • Configure parameters through Bluetooth
  • Wide baud rate support
  • Solid shell, through-hole installation

4.Technical specification

    Bluetooth port electronic characteristics

Bluetooth Specification BLE5.0
RF output power CLASS 1
Working Frequency ISM 2.400~2.483GHz
Spread Spectrum FHSS
Antenna Internal Antenna
Receiving sensitivity < -95dBm at < 0.1% BER
Profiles LL、SMP、L2CAP、ATT、GAP、GATT
Working mode slave
Security Security authentication, data encryption
Application PC, MCU, Mobile phones, etc
Maximum working distance 100M in open air

    CAN port electronic characteristics

Transmission mode Differential signal
Transmission medium Twisted pair or other
Node number 120
Communication interface Isolated CAN
Signal pin CAN-H,CAN-L,GND
Maximum common mode voltage +5v
Minimum common mode voltage 3.6V
Differential signal input range 0V~5V
Receiver input sensitivity 900mV
Receiver input impedance ≥20kΩ
Supported CAN baud rate 5K~1M

    RS485 port electronic characteristics

Transmission mode Differential signal
Transmission medium Twisted pair or other
Node number 256
Signal pin RS485-A+ RS485-B-
Maximum common mode voltage +12v
Minimum common mode voltage -7V
Differential signal input range ±2~6V
Receiver input sensitivity ±200mV
Receiver input impedance ≥12kΩ

    RS232 port electronic characteristics

Transmission mode Single-ended
Transmission medium Twisted pair or other
Signal pin TXD RXD RTS CTS GND
Voltage range ±3~15V

    Electronic characteristics

Name BLE Bolt Adapter
Power 12V 1A rated current
High energy transient noise protection 400W
ESD ±30 kV IEC 61000-4-2 Contact discharge
±15 kV IEC 61000-4-2 Air gap discharge
±15 kV EIA/JEDEC Human body model
working environment Operating temperature 0℃~+60℃td>
Storage temperature -40℃~+125℃td>
Humidity < 90%
Size 70(L) * 70(W) * 80(H)mm

5.Power consumption

    In normal mode, the parameters are the default values:

Mode Testing conditions Current average mA
Work With data transmission 21
Stand by Without data transmission 16

6.PIN Define
Pin No Signal
1 VCC
2 GND
3 RS232-RXD
4 RS232-TXD
5 RS232-CTS
6 RS232-RTS
7-8-9 GND
10 RS485-A+
11 CAN-L
12 RS485-B-
13 CAN-H
14 GND