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MGate 4101-MB-PBS Series

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1-port Modbus RTU/ASCII-to-PROFIBUS slave gateways

Product Feature

  • Protocol conversion between Modbus and PROFIBUS
  • Supports PROFIBUS DP V0 slave
  • Supports Modbus RTU/ASCII master and slave
  • Windows utilities with innovative QuickLink function for automatic configuration within minutes
  • Status monitoring and fault protection for easy maintenance
  • Embedded traffic monitoring/diagnostic information for easy troubleshooting
  • Supports redundant dual DC power inputs and 1 relay output
  • -40 to 75°C wide operating temperature models available
  • Serial port with 2 kV isolation protection (for “-I” models)

Introduction

The MGate 4101-MB-PBS gateway provides a communication portal between PROFIBUS PLCs (e.g., Siemens S7-400 and S7-300 PLCs) and Modbus devices. With the QuickLink feature, I/O mapping can be accomplished within a matter of minutes. All models are protected with a rugged metallic casing, are DIN-rail mountable, and offer optional built-in optical isolation.

 

QuickLink and Windows Utilities for Easy Setup and Traffic Monitoring

The QuickLink windows utility uses a serial console port to connect to the MGate 4101-MB-PBS and makes configuration and operation as easy as possible. QuickLink can finish the configuration in just a few minutes by passively detecting Modbus requests with the AutoLearning function, and performs error-free I/O mapping with the AutoMapping feature. QuickLink drastically reduces Modbus-to-PROFIBUS integration time when compared to conventional I/O mapping, which can easily require days to complete. Additionally, embedded monitoring tools can maintain logs of Modbus communication packets and assist in troubleshooting.

 

Redundant Power Inputs

The MGate 4101-MB-PBS has dual power inputs for greater reliability. The power inputs allow simultaneous connection to 2 live DC power sources, so that continuous operation is provided even if one power source fails. The higher level of reliability makes these advanced Modbus-to-PROFIBUS gateways ideal for demanding industrial applications.

 

Warning by Relay Output

A relay output is provided for the power input status. The relay output gives maintenance engineers an additional tool for troubleshooting and maintenance.

 

Serial Interface

Console PortRS-232 (TxD, RxD, GND), 8-pin RJ45 (115200, n, 8, 1)
No. of Ports1
ConnectorDB9 male
Serial StandardsRS-232/422/485
Baudrate50 bps to 921.6 kbps
Data Bits7, 8
ParityNone, Even, Odd, Space, Mark
Stop Bits1, 2
Flow ControlDTR/DSR, RTS/CTS
RS-485 Data Direction ControlADDC® (automatic data direction control)
Pull High/Low Resistor for RS-4851 kilo-ohm, 150 kilo-ohms
Terminator for RS-485120 ohms
Isolation2 kV (I models)

Serial Signals

 RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
 RS-422 Tx+, Tx-, Rx+, Rx-, GND
 RS-485-2w Data+, Data-, GND
 RS-485-4w Tx+, Tx-, Rx+, Rx-, GND

Serial Software Features

 Configuration Options MGate Manager
 Industrial Protocols Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave, PROFIBUS DP-V0 Slave

Modbus RTU/ASCII

 Mode Master, Slave
 Functions Supported 1, 2, 3, 4, 5, 6, 15, 16, 23
 Max. No. of Commands 100
 Input Data Size 7744 bytes
 Output Data Size 7744 bytes

PROFIBUS Interface

 Industrial Protocols PROFIBUS DP
 No. of Ports 1
 Connector DB9 female
 Baudrate 9600 bps to 12 Mbps
 Isolation 2 kV (built-in)
 Signals PROFIBUS D+, PROFIBUS D-, RTS, Signal Common, 5V

PROFIBUS

 Rotary Switch PROFIBUS addresses 0-99 (addresses 100-125 supported through software configuration)
 Mode DP-V0 Slave
 Max. No. of Master Connections 1
 Max. No. of PROFIBUS I/O Modules 24 per page
 Max. No. of PROFIBUS Pages 32
 Input Data Size 7744 bytes
 Output Data Size 7744 bytes

Power Parameters

 Input Voltage 12 to 48 VDC
 Input Current 275 mA @ 12 VDC
 Power Connector Screw-fastened Euroblock terminal

Relays

 Contact Current Rating Resistive load: 1 A @ 24 VDC

Physical Characteristics

 Housing Metal
 Dimensions 36 x 105 x 140 mm (1.42 x 4.14 x 5.51 in)
 Weight 500 g (1.10 lb)
 IP RatingIP30
Note: It is recommended to attach the M3x3mm Nylok screws at the rear side

Environmental Limits

 Operating Temperature MGate 4101I-MB-PBS: 0 to 60°C (32 to 140°F)
MGate 4101I-MB-PBS-T: -40 to 75°C (-40 to 167°F)
MGate 4101-MB-PBS: 0 to 60°C (32 to 140°F)
MGate 4101-MB-PBS-T: -40 to 75°C (-40 to 167°F)
 Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
 Ambient Relative Humidity 5 to 95% (non-condensing)

Standards and Certifications

 Safety EN 60950-1, UL 60950-1, EN 62368-1, UL 62368-1
 EMC EN 55032/35
 EMI CISPR 32, FCC Part 15B Class A
 EMS IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV
IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m
IEC 61000-4-8 PFMF
 Hazardous Locations ATEX, Class I Division 2, IECEx
 Freefall IEC 60068-2-32
 Shock IEC 60068-2-27
 Vibration IEC 60068-2-6, IEC 60068-2-64

MTBF

TimeMGate 4101-MB-PBS Series: 1,537,948 hrs
MGate 4101I-MB-PBS Series: 1,315,666 hrs
StandardsTelcordia SR332

Warranty

Warranty Period5 years
 Details See www.moxa.com/warranty
Name Type Version Release Date
MGate 4101-MB-PBS Series Datasheet 1.0 31 March 2021

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