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Configured for DeviceNet master interface communication in CENTUM VP and CS 3000 systems, the Yokogawa ALD112-S00 S1 (ALD112 DeviceNet Module) provides direct physical and electrical execution of field-level network data...
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Configured for DeviceNet master interface communication in CENTUM VP and CS 3000 systems, the Yokogawa ALD112-S00 S1 (ALD112 DeviceNet Module) provides direct physical and electrical execution of field-level network data exchange.
| Parameter | Specification |
|---|---|
| Model | ALD112-S00 S1 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.6 kg |
| Dimensions | 5 × 13 × 15 cm |
| Operating Temp | Standard Industrial Grade |
| Power Consumption | 0.5 A at 5 V DC |
| Protocol | DeviceNet (Master) |
| Data Transfer Rates | 125, 250, 500 kbps (switchable) |
| Communication Interface | 5-pin DeviceNet connector |
| Isolation | 500 V AC (Communication to System Logic) |
| Node Capacity | Up to 63 slave devices |
The ALD112 module facilitates integration within the DCS environment by maintaining strict adherence to Field network I/O (FIO) bus timing. It supports 4-20 mA HART loop protocol translation at the gateway level when interfacing with hybrid smart instruments. Each channel maintains channel-to-channel isolation to prevent ground loops across distributed field segments. Cold junction compensation (CJC) is managed via the backplane when the module is integrated into multi-function I/O chassis configurations, ensuring stability in high-density process environments.
Q: Is the ALD112-S00 S1 module capable of hot-swapping during active DCS operations?
A: Yes, the module supports insertion and removal under power within the FIO bus architecture, provided the system configuration is updated to recognize the state change.
Q: How is the termination resistance managed on the DeviceNet network?
A: Termination must be applied at both ends of the trunk line using 121 Ohm, 1/4 W resistors. This module acts as the master node and does not integrate internal terminating resistors.
