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Modbus® Serial

to

Modbus® TCP/IP

Gateway

Instruction Manual

GTW-MB-MBTCP

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Содержание GTW-MB-MBTCP

Страница 1: ...Modbus Serial to Modbus TCP IP Gateway Instruction Manual GTW MB MBTCP ...

Страница 2: ...dard Terms Conditions of Sale 19 List of Figures Figure 1 Physical Dimensions 4 Figure 2 General Connections 5 Figure 3 Network Settings 7 Figure 4 Server Settings 8 Figure 5 Serial Settings 10 Figure 6 Modbus TCP Connection Settings 12 Figure 7 Configurable Pin Settings 15 Figure 8 Example RS422 Four Wire Connections 16 Figure 9 Example RS485 Four Wire Connections 16 Figure 10 Example RS485 Two W...

Страница 3: ...ny existing serial Modbus RTU unit to a Modbus TCP IP unit The gateway can interface with 4 wire RS422 and 2 or 4 wire RS485 networks The module also has a provision for a terminating resistor if desired Features 10 100M Ethernet DHCP or Static IP Address Web Page Configuration Modbus RTU or ASCII Selectable Baud Rate Stop Bits Parity RS422 4 wire RS485 2 or 4 wire modes 1 1 1 1 ...

Страница 4: ...cal D C Power Input 24 VDC 10 60mA max internally fused Network Interface RJ45 10 100M Ethernet Serial Interface Terminal Blocks RS422 RS485 115Kbaud max Temperature Range 0 55º C 2 2 Physical Figure 1 Physical Dimensions 2 2 2 2 ...

Страница 5: ...should be routed separately from high level power wiring such as the A C line motor operator control and relay control wiring When these two types of wire must cross they should cross at right angles to each other Any relay contactor starter solenoid or other electro mechanical device located in close proximity to or on the same line supply as the GTW MB MBTCP should have a transient suppression d...

Страница 6: ...22 485 receiver is disabled during a serial transmission When set to ON the receiver is always enabled Refer to the table below for typical jumper settings based on the serial operating mode Mode J3 Echo RS422 4 wire ON RS485 4 wire ON RS485 2 wire OFF Table 1 J3 Settings TERMINATOR It is recommended to install a terminating resistor at the beginning and end of the RS422 485 network Placing a jump...

Страница 7: ...e for each page Multiple pages cannot be edited and then applied NETWORK SETTINGS Figure 3 Network Settings Obtain an IP Address Automatically Select this option if you want the IP address to be assigned automatically via BOOTP DHCP or AutoIP methods DHCP Host Name Enter the desired host name for the GTW MB unit This is optional Use the following IP Configuration Select this option if you want to ...

Страница 8: ...an entry into its ARP table ARP Cache timeout defines the number of seconds 1 600 before it refreshes this table TCP Keepalive This setting defines how many seconds the unit waits during an inactive connection before checking its status If the unit does not receive a response it drops that connection Enter a value between 0 and 60 seconds 0 disables keepalive The default setting is 45 Monitor Mode...

Страница 9: ...n Unit MTU is the largest physical packet size a network can transmit for TCP and UDP Enter between 512 and 1400 bytes The default is 1400 bytes TCP Re transmission Timeout The desired TCP re transmission timeout value If the ACK is not received for a packet sent from the device then the unit will retransmit the data The valid range is 500 4000ms The default is 500ms ...

Страница 10: ...ates are 300 600 1200 2400 4800 9600 default 19200 38400 57600 115200 Data Bits Indicates the number of bits in a transmitted data package The default is 8 Parity Checks for the parity bit The default is None Stop Bits The stop bit follows the data and parity bits in serial communication It indicates the end of transmission The default is 1 Flow Control Out This setting is not used Modem Control O...

Страница 11: ...gives ample time for the RS485 slave devices to turn their transmitters off and their receivers back on Default is 0ms Character Timeout This sets the timeout between characters received Official Modbus RTU defines a 3 5 character time out but complex devices have various interrupts that can cause 5 to 10 character pauses during transmission A safe value for general use with Modbus is 50ms Note Se...

Страница 12: ...12 MODBUS TCP CONNECTION SETTINGS Figure 6 Modbus TCP Connection Settings ...

Страница 13: ...to issue more than one at a time and the TCP socket will buffer them When set to Yes the device will fetch the requests one at a time and answer each in turn This is the safest default setting only change this if you are having problems Setting this to No causes the device to always fetch the newest request from the TCP buffer all older requests are discarded This allows a Modbus TCP master client...

Страница 14: ...sting clients The auto scan operation also allows the TCP connection status and the network settings to be written to the connected slave s registers Unit Id The network address of the serial Modbus device Register Type Selects the type of register Reads Holding Register 4x Input Register 3x Input Status 1x Coil Status 0x Writes TCP Status 0x IP Config 4x IP Netmask 4x IP Net Gateway 4x Offset The...

Страница 15: ... Sockets after Sockets are opened as required Entering a 0 holds a single socket open to the last remote Modbus TCP slave accessed Otherwise enter values 3 to 60 to automatically close the last socket after 3 to 60 seconds of idle time Redundant Entry Retries after Enter the time in seconds for redundant entry retries or set to 0 to disable the feature CONFIGURABLE PINS Figure 7 Configurable Pin S...

Страница 16: ...s that will be connected to the gateway Place Jumper J3 accordingly Mode J3 Echo RS422 4 wire ON RS485 4 wire ON RS485 2 wire OFF Table 4 J3 Settings 2 Place Jumpers J1 J2 to OFF is biasing is not needed If unsure place in the ON position Step 2 Connections 1 Make connections per one of the examples below Figure 8 Example RS422 Four Wire Connections Figure 9 Example RS485 Four Wire Connections 5 5...

Страница 17: ... the Assign IP button in the toolbar to change the network settings Step 4 Web Interface 1 Once the IP address is known simply open a web browser and enter the IP address i e 192 168 0 5 in the address bar If a username and password have been configured enter those when prompted Otherwise leave the username and password fields blank 2 Select Serial Settings from the menu on the left 3 Set the Inte...

Страница 18: ...18 Prints 6 6 6 6 ...

Страница 19: ...aintained perform in compliance with such system s written specifications for a period of one 1 year from the date of shipment of such system As the Purchaser s sole and exclusive remedy under said warrant in regard to such systems including but not limited to remedy for consequential damages the Company will at its option cause without charges any such system to so perform which system is found t...

Страница 20: ...3204 Rocky River Road Heath Springs SC 29058 Phone 803 286 8614 Fax 803 286 6063 Email saleserv carotron com Web www carotron com MAN1062 00 Rev A Issued 05 07 2018 ...

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