# \#modbus **URL:** https://forums.digi.com/tag/modbus/72.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [WR31 modbus baudrate?](https://forums.digi.com/t/wr31-modbus-baudrate/23299)
**Author:** [@Flodis](https://forums.digi.com/u/Flodis)\ **Replies:** 1\ **Last updated:** [December 13, 2022, 10:14pm UTC](https://forums.digi.com/t/wr31-modbus-baudrate/23299 "2022-12-13T22:14:29Z")
When the Modbus gateway feature is enabled What will be the baud rate of the serial port? The manual does not mention if it uses Modbus -RTU or ASCII on the serial? Does setting “fixed address” to zero obtain device ad… --- ## [XBee3 Modbus RS485](https://forums.digi.com/t/xbee3-modbus-rs485/23139)
**Author:** [@lambu0815](https://forums.digi.com/u/lambu0815)\ **Replies:** 6\ **Last updated:** [June 30, 2022, 9:17am UTC](https://forums.digi.com/t/xbee3-modbus-rs485/23139 "2022-06-30T09:17:28Z")
Hi, is it possible to do Modbus RTU / RS485 Communication via Micropython on XBee3 Pro? There’s the D7 (DIO7) setting that enables RS-485 communication either idle high or idle low. But I cannot find any documentation … --- ## [Modbus TCP with Connect Me](https://forums.digi.com/t/modbus-tcp-with-connect-me/13082)
**Author:** [@adamwest](https://forums.digi.com/u/adamwest)\ **Replies:** 8\ **Last updated:** [March 10, 2022, 10:08am UTC](https://forums.digi.com/t/modbus-tcp-with-connect-me/13082 "2022-03-10T10:08:40Z")
I have recently acquired a Digi Connect ME device and board and am trying to configure it for Modbus TCP. To do this, I understand you need to change the serial port profile to “Industrial Automation” in the web interfa… --- ## [MODBUS implementation in STM32F103C8T6 with STM32 official core in Arduino IDE](https://forums.digi.com/t/modbus-implementation-in-stm32f103c8t6-with-stm32-official-core-in-arduino-ide/22717)
**Author:** [@mustaq\_ahm](https://forums.digi.com/u/mustaq_ahm)\ **Replies:** 0\ **Last updated:** [October 1, 2021, 7:36am UTC](https://forums.digi.com/t/modbus-implementation-in-stm32f103c8t6-with-stm32-official-core-in-arduino-ide/22717 "2021-10-01T07:36:38Z")
Hello all, Good Day! I have came here several times, and and asked some question here is overview of what I have in my mind and my questions. I am working on my Master Thesis. I would like to implement Modbus RTU prot… --- ## [esp32 modbus master and slave example](https://forums.digi.com/t/esp32-modbus-master-and-slave-example/22691)
**Author:** [@Ganesh\_quaadbitz](https://forums.digi.com/u/Ganesh_quaadbitz)\ **Replies:** 0\ **Last updated:** [September 24, 2021, 1:18pm UTC](https://forums.digi.com/t/esp32-modbus-master-and-slave-example/22691 "2021-09-24T13:18:03Z")
im trying to implement MODBUS(rtu) master and slave both on esp32 is there any library for the same,im able to do it with esp8266 but same library is not working with esp32 is anyone have example for both master and sla… --- ## [IX20 modbus gateway available when ETH2 down?](https://forums.digi.com/t/ix20-modbus-gateway-available-when-eth2-down/22651)
**Author:** [@dgici](https://forums.digi.com/u/dgici)\ **Replies:** 1\ **Last updated:** [September 8, 2021, 12:40am UTC](https://forums.digi.com/t/ix20-modbus-gateway-available-when-eth2-down/22651 "2021-09-08T00:40:47Z")
Hi there, I have two IX20’s that will be connected via IPSec. I need one of the IX20s to act as a modbus server for the LAN devices attached to the other IX20. I am using the serial port for the local communications t… --- ## [Relaying MODBus data via the S3B 900HP-programmable](https://forums.digi.com/t/relaying-modbus-data-via-the-s3b-900hp-programmable/22407)
**Author:** [@D2K](https://forums.digi.com/u/D2K)\ **Replies:** 1\ **Last updated:** [June 22, 2021, 9:11am UTC](https://forums.digi.com/t/relaying-modbus-data-via-the-s3b-900hp-programmable/22407 "2021-06-22T09:11:00Z")
I am considering developing a wireless solution to have a 900HP-programmable Coordinator node receive other 900HP-programmable router messages that are attached to remote devices via MODBus over RS485. I would like to tr… --- ## [DigiOne IA resets after passing a command from Modbus RTU to Modbus/TCP and back.](https://forums.digi.com/t/digione-ia-resets-after-passing-a-command-from-modbus-rtu-to-modbus-tcp-and-back/21390)
**Author:** [@AAtencio](https://forums.digi.com/u/AAtencio)\ **Replies:** 1\ **Last updated:** [May 28, 2020, 7:41am UTC](https://forums.digi.com/t/digione-ia-resets-after-passing-a-command-from-modbus-rtu-to-modbus-tcp-and-back/21390 "2020-05-28T07:41:58Z")
Setting up a digiOne IA to pass Modbus RTU Master to Modbus/TCP slave. The messaging works and we get data back but after the first message the DigiOne IA resets and take about 20-30 seconds to come back up. Has anyone… --- ## [Modbus Data via a Serial Bridge (TS4 Portserver) is altered, is there an alternate configuration?](https://forums.digi.com/t/modbus-data-via-a-serial-bridge-ts4-portserver-is-altered-is-there-an-alternate-configuration/21404)
**Author:** [@tcarscadden](https://forums.digi.com/u/tcarscadden)\ **Replies:** 0\ **Last updated:** [May 27, 2020, 1:09pm UTC](https://forums.digi.com/t/modbus-data-via-a-serial-bridge-ts4-portserver-is-altered-is-there-an-alternate-configuration/21404 "2020-05-27T13:09:24Z")
The application is on a TS4 MEI, setup as follows: Realport drivers on PC for legacy polling application to use virtual comm port to poll modbus RTU device on Port 1. Port 1 - Realport, RS485 modbus slave device (9600 … --- ## [Is there a Russian-speaking electronic engineer? Xbee + Modbus](https://forums.digi.com/t/is-there-a-russian-speaking-electronic-engineer-xbee-modbus/21366)
**Author:** [@Qwenta](https://forums.digi.com/u/Qwenta)\ **Replies:** 1\ **Last updated:** [May 15, 2020, 7:59am UTC](https://forums.digi.com/t/is-there-a-russian-speaking-electronic-engineer-xbee-modbus/21366 "2020-05-15T07:59:12Z")
Need to implement the Xbee module in our product (PCB) and make data transfer via Modbus? Our MC is STM32F437 --- ## [Use DigiTransporter WR31 as a Modbus server](https://forums.digi.com/t/use-digitransporter-wr31-as-a-modbus-server/21221)
**Author:** [@DanGus](https://forums.digi.com/u/DanGus)\ **Replies:** 1\ **Last updated:** [April 3, 2020, 12:38pm UTC](https://forums.digi.com/t/use-digitransporter-wr31-as-a-modbus-server/21221 "2020-04-03T12:38:01Z")
Hey! I’ve got at Transporter WR31 that i would like to use as a Modbus server so our SCADA can get information on digital/analog input. I have already solved reading the inputs, now its only modbus server part. I foun… --- ## [How can i use Digi Transport WR31 as a Modbus Gateway](https://forums.digi.com/t/how-can-i-use-digi-transport-wr31-as-a-modbus-gateway/21098)
**Author:** [@joenwa](https://forums.digi.com/u/joenwa)\ **Replies:** 1\ **Last updated:** [February 7, 2020, 4:09pm UTC](https://forums.digi.com/t/how-can-i-use-digi-transport-wr31-as-a-modbus-gateway/21098 "2020-02-07T16:09:12Z")
I have done all the configurations but no solution at all. I have 2 computers connected to the Digi Transport, one is connected serially with DB9 to the serial interface and the other is connected to ethernet0 interface… --- ## [Modbus support on Transport WR31](https://forums.digi.com/t/modbus-support-on-transport-wr31/19851)
**Author:** [@wolfts89](https://forums.digi.com/u/wolfts89)\ **Replies:** 4\ **Last updated:** [January 29, 2020, 2:47pm UTC](https://forums.digi.com/t/modbus-support-on-transport-wr31/19851 "2020-01-29T14:47:12Z")
The short version: how am I supposed to use the WR31 to get data off of a Modbus device and onto the cloud (for an IoT dashboard/monitoring system)? I recently purchased a Transport WR31 with the intention of using it t… --- ## [Digi Module connect me 9210 Modbus (RTU/TCP)](https://forums.digi.com/t/digi-module-connect-me-9210-modbus-rtu-tcp/16204)
**Author:** [@mhdazeem](https://forums.digi.com/u/mhdazeem)\ **Replies:** 9\ **Last updated:** [January 20, 2020, 9:11am UTC](https://forums.digi.com/t/digi-module-connect-me-9210-modbus-rtu-tcp/16204 "2020-01-20T09:11:46Z")
Well Its not a question. I have successfully implemented Modbus RTU and Modbus TCP (Master/Slave) in Digi Module Connect Me 9210 and its working Fine. The kind of work which I have done so far is Protocol Conversion bet… --- ## [Modbus ASCII Serial protocol library for Rabbit 1800](https://forums.digi.com/t/modbus-ascii-serial-protocol-library-for-rabbit-1800/20705)
**Author:** [@bcameron](https://forums.digi.com/u/bcameron)\ **Replies:** 1\ **Last updated:** [August 16, 2019, 6:07pm UTC](https://forums.digi.com/t/modbus-ascii-serial-protocol-library-for-rabbit-1800/20705 "2019-08-16T18:07:51Z")
Looking to write on code for the Rabbit 1800 or 1810 target. Will be using Modbus ASCII serial protocol. Hoping to find the library. Is there any Modbus ASCII code I can use? --- ## [Modbus scan software](https://forums.digi.com/t/modbus-scan-software/20127)
**Author:** [@triviaux38](https://forums.digi.com/u/triviaux38)\ **Replies:** 1\ **Last updated:** [August 2, 2019, 10:48am UTC](https://forums.digi.com/t/modbus-scan-software/20127 "2019-08-02T10:48:21Z")
Hello, I have a problem when using modbus scan software such as modscan32 or mdbus when connecting to PLC through serial link all is ok however through ethernet I got the error modbus/TCP connection failed! Any idea of… --- ## [XBee-Pro S1 Serial communication not working with modpoll](https://forums.digi.com/t/xbee-pro-s1-serial-communication-not-working-with-modpoll/20676)
**Author:** [@sac](https://forums.digi.com/u/sac)\ **Replies:** 0\ **Last updated:** [August 1, 2019, 4:21pm UTC](https://forums.digi.com/t/xbee-pro-s1-serial-communication-not-working-with-modpoll/20676 "2019-08-01T16:21:05Z")
I have 2 XBee Pro S1 antennas and 2 boards(Parallax USB XBee Adapter). I successfully tried connecting both in Coordinator-End Point and Coordinator-Coordinator settings. I was able to send console log of both antennas … --- ## [transport modbus adding extra information](https://forums.digi.com/t/transport-modbus-adding-extra-information/20066)
**Author:** [@LiquidNatural](https://forums.digi.com/u/LiquidNatural)\ **Replies:** 0\ **Last updated:** [December 21, 2018, 2:32pm UTC](https://forums.digi.com/t/transport-modbus-adding-extra-information/20066 "2018-12-21T14:32:26Z")
When using the Modbus Gateway in the WR31, the gateway adds an additional address octect in from of the actual octect, causing the attached slave to ignore the poll. For example, the slave should get the following poll: … --- ## [Modbus over Zigbee using XBee-Pro Zigbee RS485 Adapter and Xbee Gateway](https://forums.digi.com/t/modbus-over-zigbee-using-xbee-pro-zigbee-rs485-adapter-and-xbee-gateway/19950)
**Author:** [@andreastaran](https://forums.digi.com/u/andreastaran)\ **Replies:** 0\ **Last updated:** [October 17, 2018, 8:18am UTC](https://forums.digi.com/t/modbus-over-zigbee-using-xbee-pro-zigbee-rs485-adapter-and-xbee-gateway/19950 "2018-10-17T08:18:32Z")
Hi, I’m trying to get Modbus over Zigbee using “XBee-Pro Zigbee RS485 Adapter” and “Xbee Gateway”. I other words: Read and write Modbus registers on an external device connected to XBEE-Pro Zigbee Adapter from(/through… --- ## [Modbus function code 91](https://forums.digi.com/t/modbus-function-code-91/19421)
**Author:** [@enschot](https://forums.digi.com/u/enschot)\ **Replies:** 1\ **Last updated:** [July 18, 2018, 6:03am UTC](https://forums.digi.com/t/modbus-function-code-91/19421 "2018-07-18T06:03:58Z")
Hello, I need information about TCP/IP Modbus together with Function code 91 protocol or SEMI E54 communication protocol. I have already searched on internet but found almost noting. I need only the read function. Ho… --- ## [XBee-PRO 900HP RF Module and XBee Zigbee Mesh Kit](https://forums.digi.com/t/xbee-pro-900hp-rf-module-and-xbee-zigbee-mesh-kit/18867)
**Author:** [@bedio](https://forums.digi.com/u/bedio)\ **Replies:** 2\ **Last updated:** [April 27, 2018, 4:25pm UTC](https://forums.digi.com/t/xbee-pro-900hp-rf-module-and-xbee-zigbee-mesh-kit/18867 "2018-04-27T16:25:37Z")
hello, when creating mesh network with XBee-PRO 900HP RF Module do we need a coordinator? because nothing has been specified in getting started manual. but in the XBee Zigbee Mesh Kit manual they mentions the necessity… --- ## [Bridge Wireless with two XBee-PRO RS-485.](https://forums.digi.com/t/bridge-wireless-with-two-xbee-pro-rs-485/19228)
**Author:** [@xungo2000](https://forums.digi.com/u/xungo2000)\ **Replies:** 0\ **Last updated:** [February 27, 2018, 6:37am UTC](https://forums.digi.com/t/bridge-wireless-with-two-xbee-pro-rs-485/19228 "2018-02-27T06:37:18Z")
Hello, I want to make two questions Is it possible, make a bridge Wireless of two devices with protocol Modbus/RTU over RS485, using only as gateways the device XBee-PRO RS-485? This is an architecture of one PLC that i… --- ## [XBee-PRO 900HP RF Modem - RS485 Modbus routing over mesh?](https://forums.digi.com/t/xbee-pro-900hp-rf-modem-rs485-modbus-routing-over-mesh/18110)
**Author:** [@Sambo](https://forums.digi.com/u/Sambo)\ **Replies:** 8\ **Last updated:** [February 23, 2018, 9:25am UTC](https://forums.digi.com/t/xbee-pro-900hp-rf-modem-rs485-modbus-routing-over-mesh/18110 "2018-02-23T09:25:11Z")
Hi, I am wondering if it is possible to configure the XBee-PRO 900HP RS485 RF Modem to handle serial modbus routing the same as the CPX4 is able to. Basically, I would like to use one modem connected to the modbus mas… --- ## [Can't connect xbees with ConnectPortX4IA via modbus](https://forums.digi.com/t/cant-connect-xbees-with-connectportx4ia-via-modbus/19217)
**Author:** [@Sadafaga35](https://forums.digi.com/u/Sadafaga35)\ **Replies:** 0\ **Last updated:** [February 23, 2018, 9:24am UTC](https://forums.digi.com/t/cant-connect-xbees-with-connectportx4ia-via-modbus/19217 "2018-02-23T09:24:57Z")
Hello! I’m trying to send frame from a DIGI XBEE®SX 868 DEVELOPMENT KIT to a ConnectPort X4IA. Of course, the xbees are configurated like Standars Router in API mode, and the ConnectPort like a Coordinator. All this ste… --- ## [ConnectPortX4IA, Xbee and modbus problems](https://forums.digi.com/t/connectportx4ia-xbee-and-modbus-problems/19212)
**Author:** [@Sadafaga35](https://forums.digi.com/u/Sadafaga35)\ **Replies:** 0\ **Last updated:** [February 22, 2018, 10:59am UTC](https://forums.digi.com/t/connectportx4ia-xbee-and-modbus-problems/19212 "2018-02-22T10:59:33Z")
Hello, First of all, I’m using a ConnectPort X4IA and a DIGI XBEE®SX 868 DEVELOPMENT KIT. The point is that I would like to achieve that the messages that arrive from the Xbees can be transformed via modbus by the Conne… --- ## [Up link between 2 schneider's PLC (serial port RS-232 modbus) via WR21 cellular router is a solid solution](https://forums.digi.com/t/up-link-between-2-schneiders-plc-serial-port-rs-232-modbus-via-wr21-cellular-router-is-a-solid-solution/19077)
**Author:** [@po.deland](https://forums.digi.com/u/po.deland)\ **Replies:** 0\ **Last updated:** [January 25, 2018, 9:31am UTC](https://forums.digi.com/t/up-link-between-2-schneiders-plc-serial-port-rs-232-modbus-via-wr21-cellular-router-is-a-solid-solution/19077 "2018-01-25T09:31:54Z")
I got 2 schneider’s PLC (Quantum and Momentum). I want to communicate between both by using two WR21 cellular router (one per PLC). Schneider’s PLC talk Modbus protocol and the serial connector is RS-232 for each PLC. I… --- ## [Converting TCP to RTU](https://forums.digi.com/t/converting-tcp-to-rtu/18481)
**Author:** [@cis9391](https://forums.digi.com/u/cis9391)\ **Replies:** 1\ **Last updated:** [January 24, 2018, 2:09pm UTC](https://forums.digi.com/t/converting-tcp-to-rtu/18481 "2018-01-24T14:09:52Z")
Is it possible to configure a Digi One IA to convert modbus TCP(Slave) to modbus RTU(Master)? I have successfully configure the One IA to convert modbus RTU(Slave) to modbus TCP(Master) but not the other way around. Any … --- ## [Digi Connect Sensor+ Modbus RTU communication](https://forums.digi.com/t/digi-connect-sensor-modbus-rtu-communication/19018)
**Author:** [@dhpaik](https://forums.digi.com/u/dhpaik)\ **Replies:** 0\ **Last updated:** [December 22, 2017, 11:16am UTC](https://forums.digi.com/t/digi-connect-sensor-modbus-rtu-communication/19018 "2017-12-22T11:16:07Z")
I am trying to establish communication between Digi Connect Sensor+ and AutomationDirect Productivity P1-540 PLC via Modbus. I am getting err 129 for all my requests: floating, integer, and boolean. Has anyone worked w… --- ## [ConnectPort Python Polling](https://forums.digi.com/t/connectport-python-polling/18701)
**Author:** [@pkcan](https://forums.digi.com/u/pkcan)\ **Replies:** 1\ **Last updated:** [October 19, 2017, 10:17pm UTC](https://forums.digi.com/t/connectport-python-polling/18701 "2017-10-19T22:17:18Z")
We are working on an application where we could have a large deployment of devices (up to 200 Xbee nodes). Originally we thought that we could just have the devices push to the coordinator (ConnectPort), but quickly rea… --- ## [Connection through ModBus ConnectportX2 --\> XBee Analog Adapter](https://forums.digi.com/t/connection-through-modbus-connectportx2-xbee-analog-adapter/18690)
**Author:** [@Garco](https://forums.digi.com/u/Garco)\ **Replies:** 1\ **Last updated:** [September 6, 2017, 11:27am UTC](https://forums.digi.com/t/connection-through-modbus-connectportx2-xbee-analog-adapter/18690 "2017-09-06T11:27:49Z")
I am trying to read the analog inputs that are recorded by an XBee Analog Adapter through a ConnectPort X2, by using Industrial Automation to redirect ModBus messages. Does anybody succeeded in comunicating this devices?… [Next page](https://forums.digi.com/tag/modbus/72.md?match_all_tags=true&page=1&tags%5B%5D=modbus)