Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
Managing deterministic data distribution across harsh manufacturing environments is the primary function of the Weidmuller 1504370000 IE-SW-VL05M-3TX-2ST managed industrial Ethernet switch. This high-performance network node integrates copper and fiber interfaces to bridge long-distance field segments while maintaining robust electromagnetic immunity. Encased in a rugged metal housing, it provides reliable Store and Forward data switching for time-critical automation architectures.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Weidmuller |
| Model Number | IE-SW-VL05M-3TX-2ST |
| Article Number / SKU | 1504370000 |
| Switch Type | Managed |
| Transmission Speed | 100 Mbps (Fast Ethernet) |
| RJ45 Ports | 3x 10/100BaseT(X) |
| Fiber Ports | 2x Multimode (ST-Duplex) |
| Typical Fiber Distance | 5 km |
| MAC Table Size | 2 K |
| Packet Buffer Size | 1 Mbit |
| Supply Voltage | 12 / 24 / 48 V DC (Redundant Inputs) |
| Connection Interface | 1x Removable 6-pin terminal block |
| Housing Material | Metal (IP30 Protection) |
| Mounting Options | DIN rail, Panel (with optional mounting kit) |
| Operating Temperature | -10 degC to 60 degC |
| Storage Temperature | -40 degC to 85 degC |
| Ambient Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 53.6 mm x 135 mm x 105 mm |
| Net Weight | 650 g |
| Shipping Weight | 1.5 kg |
| Pin Number | Signal Designation | Functional Description |
|---|---|---|
| 1 | V1+ | Primary DC Power Input (+) |
| 2 | V1- | Primary DC Power Input (-) |
| 3 | Fault | Relay Contact (Normally Closed on failure) |
| 4 | Fault | Relay Contact (Normally Closed on failure) |
| 5 | V2+ | Secondary Redundant DC Power Input (+) |
| 6 | V2- | Secondary Redundant DC Power Input (-) |
The IE-SW-VL05M-3TX-2ST managed switch is a direct functional upgrade over unmanaged variants such as the IE-SW-VL05-3TX-2ST. When replacing an unmanaged switch with this managed unit, network administrators must configure the IP address and disable unused protocols to prevent broadcast storms. Ensure that the remote fiber transceiver matches the 1300 nm wavelength specification of this device's multimode ST ports.
In high-temperature environments exceeding 50 degC, natural convection cooling is critical. Avoid mounting this switch directly adjacent to high-heat-dissipating components like power supplies or motor drives; maintain a minimum clearance of 25 mm on both sides. When calculating the fiber optic power budget, factor in a typical 5 km limit and account for connector attenuation (typically 0.75 dB per ST junction) to prevent signal degradation.
Always ground the IP30 metal chassis using the dedicated grounding screw located on the top panel to establish a low-impedance path for electrostatic discharge. When wiring redundant power supplies, connect V1 and V2 to separate physical power sources. This configuration allows the internal fault relay to trip and signal an external PLC alarm immediately if one of the power loops loses voltage.
De-energize all electrical power sources before attempting to wire or mount the switch. Do not plug or unplug the 6-pin terminal block while circuits are live, as this can cause electrical arcing and damage internal components.
Snap the switch onto a standard TS 35 DIN rail, ensuring the DIN rail clip locks firmly into place.
Connect a dedicated grounding wire (minimum 14 AWG) from the chassis ground screw to the main cabinet earth ground.
Wire the 12/24/48 V DC power lines to the removable 6-pin terminal block, then insert the block firmly into the switch socket.
Insert the RJ45 copper communication cables and the ST-Duplex multimode fiber optic connectors into their respective ports.
Global Express Shipping
Returns & Warranty

Managing deterministic data distribution across harsh manufacturing environments is the primary function of the Weidmuller 1504370000 IE-SW-VL05M-3TX-2ST managed industrial Ethernet switch. This high-performance network node integrates copper and fiber interfaces to bridge long-distance field segments while maintaining robust electromagnetic immunity. Encased in a rugged metal housing, it provides reliable Store and Forward data switching for time-critical automation architectures.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Weidmuller |
| Model Number | IE-SW-VL05M-3TX-2ST |
| Article Number / SKU | 1504370000 |
| Switch Type | Managed |
| Transmission Speed | 100 Mbps (Fast Ethernet) |
| RJ45 Ports | 3x 10/100BaseT(X) |
| Fiber Ports | 2x Multimode (ST-Duplex) |
| Typical Fiber Distance | 5 km |
| MAC Table Size | 2 K |
| Packet Buffer Size | 1 Mbit |
| Supply Voltage | 12 / 24 / 48 V DC (Redundant Inputs) |
| Connection Interface | 1x Removable 6-pin terminal block |
| Housing Material | Metal (IP30 Protection) |
| Mounting Options | DIN rail, Panel (with optional mounting kit) |
| Operating Temperature | -10 degC to 60 degC |
| Storage Temperature | -40 degC to 85 degC |
| Ambient Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 53.6 mm x 135 mm x 105 mm |
| Net Weight | 650 g |
| Shipping Weight | 1.5 kg |
| Pin Number | Signal Designation | Functional Description |
|---|---|---|
| 1 | V1+ | Primary DC Power Input (+) |
| 2 | V1- | Primary DC Power Input (-) |
| 3 | Fault | Relay Contact (Normally Closed on failure) |
| 4 | Fault | Relay Contact (Normally Closed on failure) |
| 5 | V2+ | Secondary Redundant DC Power Input (+) |
| 6 | V2- | Secondary Redundant DC Power Input (-) |
The IE-SW-VL05M-3TX-2ST managed switch is a direct functional upgrade over unmanaged variants such as the IE-SW-VL05-3TX-2ST. When replacing an unmanaged switch with this managed unit, network administrators must configure the IP address and disable unused protocols to prevent broadcast storms. Ensure that the remote fiber transceiver matches the 1300 nm wavelength specification of this device's multimode ST ports.
In high-temperature environments exceeding 50 degC, natural convection cooling is critical. Avoid mounting this switch directly adjacent to high-heat-dissipating components like power supplies or motor drives; maintain a minimum clearance of 25 mm on both sides. When calculating the fiber optic power budget, factor in a typical 5 km limit and account for connector attenuation (typically 0.75 dB per ST junction) to prevent signal degradation.
Always ground the IP30 metal chassis using the dedicated grounding screw located on the top panel to establish a low-impedance path for electrostatic discharge. When wiring redundant power supplies, connect V1 and V2 to separate physical power sources. This configuration allows the internal fault relay to trip and signal an external PLC alarm immediately if one of the power loops loses voltage.
De-energize all electrical power sources before attempting to wire or mount the switch. Do not plug or unplug the 6-pin terminal block while circuits are live, as this can cause electrical arcing and damage internal components.
Snap the switch onto a standard TS 35 DIN rail, ensuring the DIN rail clip locks firmly into place.
Connect a dedicated grounding wire (minimum 14 AWG) from the chassis ground screw to the main cabinet earth ground.
Wire the 12/24/48 V DC power lines to the removable 6-pin terminal block, then insert the block firmly into the switch socket.
Insert the RJ45 copper communication cables and the ST-Duplex multimode fiber optic connectors into their respective ports.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|