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5 Step Quick Start Modbus manual

Step 1: FIND and Connect to Device:

a. Use Lantronix “Deviceinstaller” to search for Modbus devices and Note the IP address. Please see this link for Device Installer:

https://www.rfideas.com/sites/default/files/2020-02/DeviceInstaller-4407-SA.zip

b. Use a web browser and go directly to the IP address of the device. Change any parameters desired:

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Step 2: GET a MODBUS SCANNER:

a. Use “Shortbus Modbus Scanner” or equivalent

b. Set “connection” pulldown to TCP and load in TCP address from #1 above

c. Set “Read Function” to FC4 – Input Registers

d. Set “Result Format” to Unsigned Integer 16-bit (or any other preferred date format)

e. Set “Length To Read” to 19

f. Press Connect.

g. Present card.

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Step 3: SET MODBUS INPUT REGISTERS

a. Input Register 1: Sequence number (auto increment with each card presented)

b. Input Register 2: LUID

c. Input Register 3: Bit count

d. Input Register 7-19: Card data

Step 4: SET MODBUS OUTPUT REGISTERS

a. Holding Register 1: LED Control 

· bit 0 = red

· bit 1 = green 

· both = yellow

b. Holding Register 2: BEEP Control

· 1 – single short beep 

· 2 – two short beeps 

· 3 – three short beeps 

· 4 – four short beeps 

· 5 – five short beeps 

· 101 – single long beep 

· 102 – two long beeps

Step 5: TEST.

See EXAMPLES:

HID PROX READ:

a. Card number printed on card is 05607

b. Shortbus read below:

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· Register 19 is 5607 which is the card number

EXAMPLE: BEEP 3 short beeps

· Reconnect Shortbus with only 2 registers, reading the Holding registers in Integer format

· Double click data in register 2. 

· Click check box “Use FC 5/6”. 

· Type in 3 for 3 short beeps.

· Click on “Send Write

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