ABB

ETE30, MGE 144, KT97, and KT98

Altus

Almost all Altus devices have Modbus, except a few models from Piccolo series

Areva

MiCOM P127 and P632 relay

Atos

ATOS PLCs support Modbus RTU protocol with small variations regarding the maximum size of frames and byte order. For more information about these variations, please check the article Using Modbus Master (ASC/RTU/TCP) drivers with ATOS's controllers, in Elipse Knowledgebase

BCM

BCM1088, BCM1086, BCM-GP3000, and BCM2085

Ciber Brasil

Multivariable Meter for Electrical Quantities UDP200 and Multivariable Meter for Electrical Quantities UDP600

Contemp

CPM45

Deep Sea

DSE5210, DSE5310, DSE5310M, DSE5320, DSE5510, DSE5510M, DSE5520, DSE7310, and DSE7320

Embrasul

MD4040 meter

Eurotherm

2500 Intelligent Data Acquisition and Precision Multi-Loop PID Control

Fatek

FB - 14MCU

GE

GE PAC RX7 and GE GEDE UPS

Gefran

Gefran Gilogk II PLC and Gefran 600RDR21

Hitachi

Hitachi HDL17264

Honeywell

HC-900 PLC

Horner APG

Devices from series XLe/XLt all-in-one control devices

Koyo

CPU 260 PLC

Kron

MKM-120 meter

LG

DMT40U

LG / LSIS

LG Master K120 S and LG XGB - XBM

Moeller

XC100 - Serial Port 232, XC200 - Serial Port 232/422/485 (XIO-SER communication module) and Ethernet Port, XV200 - Serial Port 232 and Ethernet Port, XVH300 - Serial Port 232 and Ethernet Port, and XV400 - Serial Port 232 and Ethernet Port

Novus

N1100, N1500, N2000, and N3000

Schneider

Twido, A340, M340 PLC, Premium Series, Frequency Converters and soft starter, MT and BT breakers, BT and MT protection relays, and SEPAM Series 20, 40, and 80 relays

Telemecanique

Zelio Logic controllers ending with "BD"

Unitronics

V120

Weg

TP 03 and Clic 02

Yaskawa

V1000