Description
ProSoft PLX32-MBTCP-SIE
Technical Specifications
Manufacturer: ProSoft Technology
Model: PLX32-MBTCP-SIE
Device type: industrial Ethernet communication gateway
Modbus TCP/IP function codes: 1 read coils, 2 read input status, 3 read holding registers, 4 read input registers, 5 write single coil, 6 write single holding register, 15 write multiple coils, 16 write multiple holding registers, 22 mask write holding register, 23 read/write holding registers
Supported Modbus TCP/IP clients: 10
Supported Modbus TCP/IP servers: 5 MBAP, 5 encapsulated
Command list: up to 160 fully configurable client commands
Command polling: each command can be individually enabled or disabled; write allowed only on data change
Status reporting: individual error code per command
Siemens Industrial Ethernet support: S7-200, S7-300, S7-400, S7-1200, S7-1500
Supported Siemens data types: DB blocks, input data, output data, markers, counters, timers
Siemens clients: 20
Ethernet ports: 2 independent Ethernet ports
Power supply: nominal 24 VDC
Voltage range: 10 to 36 VDC
Current consumption: nominal 24 VDC at 300 mA; 10 to 36 VDC at maximum 610 mA
Operating temperature: -25 to 70 °C / -13 to 158 °F
Storage temperature: -40 to 80 °C / -40 to 176 °F
Relative humidity: 5 to 95 percent RH, non-condensing
Dimensions: 136.7 x 50.5 x 111.3 mm / 5.38 x 1.99 x 4.38 in
Certifications: ATEX Zone 2, CB Safety, CE, UL/cUL Class I Division 2
Functional Features
Bidirectional Modbus TCP/IP and Siemens Industrial Ethernet communication
Two independent Ethernet ports on separate subnets
No need to change device IP addresses into the same subnet
Supports Siemens S7 and S5 controllers
Supports up to 160 configurable client commands
Individual command enable/disable control
Write-on-change support to reduce unnecessary traffic
Per-command error code reporting
Onboard SD card slot for configuration backup and recovery
Remote configuration and diagnostics
Industrial DIN rail mounting
Wide operating temperature range
ATEX Zone 2 and UL/cUL Class I Division 2 approval
Suitable for hazardous and industrial environments
Application Scenarios
Schneider Electric PAC to Siemens S7 communication
Modbus TCP/IP device integration into Siemens networks
Siemens S5 legacy system integration
Cross-subnet Ethernet communication
Process automation system integration
Power monitoring system communication
Water and wastewater plant control networks
Oil and gas facility communication
Manufacturing line data exchange
Industrial system migration and retrofit projects
Performance Parameters
Modbus TCP/IP clients: 10
Modbus TCP/IP servers: 5 MBAP, 5 encapsulated
Command capacity: up to 160 configurable commands
Siemens Industrial Ethernet clients: 20
Ethernet speed: 10/100 Mbps auto-sensing depending on port implementation
Data exchange: bidirectional real-time communication
Configuration backup: SD card supported
Diagnostics: per-command error reporting and status monitoring
Environmental rating: industrial extended temperature range
Safety certification: ATEX Zone 2, UL/cUL Class I Division 2
Material Composition
Industrial printed circuit board assembly
Dual Ethernet port interfaces
Microprocessor and communication controller
SD card slot
Power input circuitry
LED status indicators
DIN rail mounting hardware
Metal and thermoplastic housing
Grounding and shielding components
Protective conformal coating
Structural Features
Compact DIN rail mountable housing
Two independent RJ45 Ethernet ports
SD card slot for configuration storage
LED indicators for power, communication, and status
Terminal or connector interface for power supply
Label plate with model and serial number
Robust industrial enclosure
Designed for control cabinet installation
Working Principle
The PLX32-MBTCP-SIE maps data between Modbus TCP/IP registers and Siemens Industrial Ethernet data blocks. One Ethernet port connects to the Modbus TCP/IP network, and the other connects to the Siemens Industrial Ethernet network. The gateway reads and writes data according to configured command lists, converts protocol formats, and maintains separate subnets for each side. Configuration can be stored on an SD card for backup and recovery, and diagnostic information is available through status indicators and configuration software.
Installation Requirements
Install in a suitable industrial control cabinet
Mount on DIN rail according to ProSoft installation guidelines
Connect the Modbus TCP/IP port to the Modbus network
Connect the Siemens Industrial Ethernet port to the Siemens network
Provide 10 to 36 VDC power supply
Configure IP addresses, command lists, and data mapping
Insert SD card if configuration backup is required
Verify subnet separation and routing requirements
Check LED status indicators after power-up
Usage Precautions
Do not connect both Ethernet ports to the same subnet unless required by configuration
Verify Siemens PLC compatibility before deployment
Keep firmware and configuration consistent with the system design
Protect the SD card slot from dust and moisture
Use shielded Ethernet cables in noisy industrial environments
Avoid exceeding the rated power supply voltage
Perform configuration backup before major changes
Refer to the official ProSoft PLX32-MBTCP-SIE manual for final technical limits
