Description

Schneider Electric 140NOE77111 ConneXium Ethernet Modbus Gateway/Router

Configured for Modbus protocol conversion in ConneXium networking architectures, the Schneider Electric 140NOE77111, also cataloged as the TSXETG100 Ethernet Modbus gateway/router, provides direct physical/electrical execution. This hardware component interfaces up to 32 Modbus serial link devices with standard Ethernet networks via 10BASE-T/100BASE-TX communication channels.

Hardware Specifications

Parameter	Specification
Model Brand	Schneider Electric
Origin	France
Dimensions	72 mm x 81 mm x 76 mm (2.83 in x 3.19 in x 2.99 in)
Operating Temp	0...60 degC (32...140 degF)
Power Consumption	24 V DC [Us] rated supply voltage
Number of Connected Devices	32 Modbus serial link devices
Port Configuration	1 x Ethernet 10BASE-T/100BASE-TX port
Local Signalling	3 LEDs serial link (RS485, RX, TX), 4 LEDs Ethernet (LK, RX, TX, 100)
IP Degree of Protection	IP30
Relative Humidity	5...95 % at 40 degC (104 degF) without condensation
Mounting Support	Symmetrical DIN rail
Standards	EN 55022 FCC class A, EN 61000-4-2/3/4/5/6/8, EN 61000-6-2, UL 508, CSA C22.2 No 14-M91
Product Certifications	CE, CUL, UL

Ethernet network deterministic networks

The 140NOE77111 ensures high-throughput synchronization across ConneXium segments, implementing deterministic protocol framing for Web server Class B10 and Class C30 data transfers. The integrated firmware manages communication latency and packet routing over Ethernet 10BASE-T/100BASE-TX physical layers without performance degradation. This determinism mitigates collisions on the RS485 serial network and guarantees predictable execution sequences during concurrent requests from multiple Modbus masters.

Frequently Asked Questions

Q: What is the device capacity limit for the serial bus interface?

A: The gateway supports a maximum of 32 connected Modbus serial link devices over the RS485 physical interface.

Q: How is the Web server capability classified for this module?

A: The module is specified with a Class B10 Web server classification and a Class C30 Ethernet network TCP/IP module profile.

Field Installation Guidelines

• Mounting and Orientation: Mount the module onto a symmetrical standard DIN rail in a horizontal orientation to maintain structural stability and optimize thermal dissipation profile within the IP30 enclosure.
• Grounding and Shielding: Ensure a direct low-impedance electrical bond between the DIN rail and the functional earth system. Shielded twisted-pair (STP) cabling must be utilized for both Ethernet and RS485 serial links to suppress electromagnetic interference.
• Power Supply Hookup: Connect a regulated 24 V DC power source to the designated terminals. Verify that all wiring complies with terminal torque ratings to prevent localized overheating.

Specifications

• Brand: Schneider Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems