Microflex Microlink-HM+ Installation, Operation, Specifications Download

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Power

Supply

RS-485/RS-232

Transceiver

HART

Modem

Microcontroller

Modbus Register

Tables

RTS

1 - DC (+)
2 - DC (-)
3 - GND
4 - TX B
5 - RX A

5-Pin

Terminal Block

HART Loop

Terminals

HART LED

COM LED

USB

MicroLink-HM+ Block Diagram

HART Loop Screw Terminals

USB Port

HART Transmit/Receive LED

DIN Rail Release

Serial Port Transmit/Receive LED

+/- DC Power 5-30VDC

G Serial Port Common

B/A RS-485 Port
TX/RX RS-232 Port

Summary of Contents for Microlink-HM+

Page 1: ...Installation Operation Specifications 620 0034 R1 Microflex 2016 2020 101 0097 MicroLinK HM HART Protocol Modem HART to Modbus Accumulator USB RS 485 or RS 232 Communications Port DIN Rail Mount ...

Page 2: ...ful interfer ence and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by Microflex could void the user s authority to oper ate this equipment Emissions EN55022 1998 Electrostatic Discharge EN61000 4 2 1995 A1 1998 A2 2001 Radiated Immunity EN 61000 4 3 2002 Safety Compliance EN 60950 1 200...

Page 3: ...ngle device or up to 16 devices When more than one device is in the loop each HART device must have a unique HART polling address The address for each device is set separately before wiring the device into the mul drop loop The HART Device Addresser so ware applica on installed with the HM Configurator app can be used to assign addresses to HART devices Modbus RTU command 3 is used to read the reg...

Page 4: ...1 DC 2 DC 3 GND 4 TX B 5 RX A 5 Pin Terminal Block HART Loop Terminals HART LED COM LED USB MicroLink HM Block Diagram HART Loop Screw Terminals USB Port HART Transmit Receive LED DIN Rail Release Serial Port Transmit Receive LED DC Power 5 30VDC G Serial Port Common B A RS 485 Port TX RX RS 232 Port 3 ...

Page 5: ... connec ng a HART master or configura on device to the loop Mounting The DIN rail mounting clip is compatible with widely used 35mm EN 50022 rails It can be snap mounted and removed from the mounting rail without tools for quick installation and servicing Power Supply MicroLink HM requires an external 5 to 30 volt DC power supply Posi ve side to Pin 1 and nega ve side to Pin 2 on the 5 pin screw t...

Page 6: ... HM USB port Serial Port The serial port can be configured for RS 485 or RS 232 protocol using the HM Configurator app so ware or by wri ng to modbus register 775 The factory default is RS 485 mode 1200 baud odd parity RS 485 Serial Protocol An RS 485 bus can consists of mul ple RS 485 devices connected in parallel to a bus cable To eliminate line reflec ons each cable end should be terminated wit...

Page 7: ...lling address for each polled device is stored in this table Two polling addresses in each 16 bit register If ad dress 0 is used then only one device can be polled and Device 1 should be set to 0 Address 0 is not valid in mul drop systems For HART devices with HART revision 3 through 5 you should use polling addresses 1 15 Addresses 16 63 require HART revision 6 or higher Number of Decimal Places ...

Page 8: ...oint byte order AD CD or CD AB swapped Number of polled HART devices 1 to 16 Variables per polled HART device 4 PV SV TV FV Supported Modbus RTU Commands 3 6 16 Surge Protec on 600W Silicone Avalanche Diodes 15kV HBM ESD Protected Bus RS 232 or RS 485 RS 485 Mode Driver Output Voltage 2V Min Unloaded 1 5V Min RL 50Ω Δ Input Threshold Receive Voltage 0 2V Receiver Input Hysteresis 35 mV Typ Receive...

Page 9: ...nterval 2 Seconds Environmental Opera ng Temperature 30 C to 60 C 22 F to 140 F Storage Temperature 40 C to 85 C 40 F to 185 F Humidity 0 to 95 non condensing Enclosure Polycarbonate plas c with Stainless Steel Cover Weight 2 3 ounces Moun ng 35mm DIN Rail Clip 8 2 45 62 3 mm 3 32 84 2 mm 1 58 40 1 mm 1 03 26 2 mm 42 10 6 mm 1 66 42 2 mm SN 123456 ...

Page 10: ... S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF MICROFLEX SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER MICROFLEX LLC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITIES THEREOF This limitation of the liability of Microflex LLC will apply regardless ...

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