The Schneider Electric BMXFTB2020, also cataloged as the BMXFTB2020 20-way removable connection block, operates as a dedicated hardware component for terminating field wiring into the Modicon M340 automation platform I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BMXFTB2020 |
| Brand | Schneider Electric |
| Origin | Webster, NY, USA |
| Weight | 0.19 lbs (0.09 kg) |
| Dimensions | 1.0 in x 4.0 in x 2.0 in (2.5 cm x 10.2 cm x 5.1 cm) |
| Wire Size Compatibility | 0.34 mm2 to 1 mm2 |
| Connection Type | Spring terminal |
| IP Rating | IP20 |
| Number of Terminals | 20 |
| RoHS Status | Compliant (since date code 1036) |
Backplane Bus Communication and I/O Density Scaling
The BMXFTB2020 facilitates high-density signal termination without compromising backplane bus communication velocity. Its design supports firmware flash compatibility across the Modicon M340 series, ensuring consistent logic execution during module replacement. The spring terminal mechanism maintains constant contact resistance, which is critical for preserving signal integrity in deterministic Profinet and EtherNet/IP network architectures.
Frequently Asked Questions
Q: Does the BMXFTB2020 support hot-swapping of I/O modules?
A: No. Power must be removed from the M340 rack before inserting or removing the terminal block to prevent arcing and ensure proper pin alignment.
Q: What is the insulation rating between adjacent terminals?
A: The terminal block features insulated inputs designed to prevent short circuits between channels under standard industrial operating conditions.
Q: Is there a specific torque requirement for the spring terminals?
A: The spring terminal design eliminates the need for screw tightening. Proper insertion of the wire until it seats securely is sufficient to maintain the rated electrical connection.
Field Installation Guidelines
- Ensure the M340 I/O module is fully disengaged from the backplane power before handling the BMXFTB2020.
- Strip wires to the length specified by the spring terminal port indicators; over-stripping may expose bare conductors outside the housing.
- Use a flat-blade tool to actuate the spring release mechanism when extracting wires. Do not pull directly on the conductor.
- Mount the assembly on a DIN rail or panel ensuring adequate clearance for the 20-way connector interface.
Schneider Top Products
| Modicon Quantum | Modicon X80 | Modicon Quantum |
| 140DDI84100 | BMXDDI1602 | TSXAEY800 |
| 140DDO84300 | BMXNOM0200 | TSXDSY32T2K |
| 140DDO35300 | BMXAMO0410 | TSXSCP114 |
| 140CHS11000 | BMXAMI0810 | TSXP571634M |
| 140ACI03000 | BMXDDO3202K | TSXDEY32D2 |
| 140ACI04000 | BMXAMO0802 | TSXDSY32T2 |
| 140ACO13000 | BMXCPS2000 | TSXDET3242 |
| 140CRA93200 | BMXCPS2010 | TSXDST1682 |
| 140CPU65150 | BMXCPS3020 | TSXP47425 |
| 140CPU67160 | BMXCPS3500 | TSXP57303AM |
Reviews
There are no reviews yet.