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Configured for legacy network interfacing in DCS architectures, the Yokogawa ALE111-S53 (ALE111 Ethernet Communication Module) provides direct physical/electrical execution of 10 Mbps point-to-point data exchange.
| Parameter | Specification |
|---|---|
| Model | ALE111-S53 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg |
| Dimensions | Standard SSC/SNB module footprint |
| Operating Temp | Standard industrial range |
| Power Consumption | 0.5 A |
| Physical Interface | IEEE 802.3 10BASE-T (RJ-45) |
| Transmission Speed | 10 Mbps |
| Communication | Modbus slave, DNP3 slave |
The ALE111-S53 operates as a dedicated hardware component for bridging process control data across 10BASE-T Ethernet networks. The module utilizes an RJ-45 connector and is restricted to point-to-point or hub-based configurations with a maximum segment length of 100 m. As a half-duplex, CSMA/CD (Carrier Sense Multiple Access with Collision Detection) device, it requires careful management of network traffic to prevent collision-induced latency. Users must ensure that the 100 ohm twisted-pair cabling is correctly terminated, as signal reflections in legacy 10 Mbps environments can lead to data packet corruption.
Q: Can the ALE111-S53 interface directly with modern Gigabit Ethernet switches?
A: Compatibility depends on the switch's support for auto-negotiation or legacy 10 Mbps half-duplex modes. Ensure the switch port is forced to 10 Mbps half-duplex if the module fails to establish a link.
Q: Is this module capable of full-duplex communication?
A: No. The ALE111-S53 is strictly limited to IEEE 802.3 10BASE-T half-duplex operation. Attempting to force full-duplex will result in persistent collisions and loss of communication.
