Description
The Yokogawa ALP121-S01 is a PROFIBUS-DP master communication module designed for use in CENTUM VP and other Yokogawa distributed control systems. It enables high-speed, deterministic data exchange between field control stations (FCS) and PROFIBUS-DP slave devices, supporting both single and dual-redundant configurations for enhanced system reliability.
Specifications
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Model Number: ALP121-S01
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Interface Type: PROFIBUS-DP (master)
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Connection Method: EIA-RS-485-compliant
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Signal Isolation: Isolated between field and system
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Transmission Speed: 9600 bps to 12 Mbps
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Max Transmission Distance: 1.2 km per segment (at 9600 bps)
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Communication Port: 1 × D-sub 9-pin (female)
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I/O Data Capacity: 1000 words per module
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Communication Definitions: Up to 200 per module
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Operating Voltage: 24 V DC
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Max Current Consumption: 0.7 A
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Dimensions (W × H × D): 32 mm × 220 mm × 98 mm
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Weight: Approx. 0.3 kg
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System Compatibility: CENTUM VP, AFV30/AFV40, ANB10/ANB11
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Redundancy Support: Dual-redundant configuration supported
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Compliance: PROFIBUS DP-V1 certified
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