The Yokogawa ADV151-P10 S2, also cataloged as the ADV151 Digital Input Module, operates as a dedicated hardware component for discrete signal acquisition within Yokogawa Centum CS and Centum VP platforms.
| Parameter | Specification |
|---|---|
| Model | ADV151-P10 S2 |
| Brand | Yokogawa |
| Origin | Indonesia |
| Weight | 0.3 kg |
| Dimensions | 2.5 cm x 12.7 cm x 12.7 cm |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | 500 mA (5 VDC internal) |
| Number of Input Channels | 32 channels |
| Rated Input Voltage | 24 VDC (sink/source) |
| Input ON Voltage | 18 to 26.4 VDC |
| Input OFF Voltage | 5.0 VDC or less |
| Input Current | 4.1 mA per channel |
| Maximum Allowable Input Voltage | 30 VDC |
| Isolation Withstanding Voltage | 2000 VAC between input signal and system (1 min) |
The module incorporates high-density optoelectronic isolation barriers rated to withstand 2000 VAC between field input lines and the system logic backplane. Designed to operate alongside 4-20 mA HART loop protocol transmitters and analog control buses within the same cabinet, the hardware suppresses common-mode voltage spikes and ground loops across discrete signal paths. Channel circuit logic ensures noise immunity during rapid contact state changes, preventing unwanted transient propagation across backplane communication paths and maintaining deterministic data processing for field limit switches, relays, and emergency trip contact inputs.
Q: Does the module support hot-swap replacement during system operation?
A: Yes, the module supports online insertion and removal (hot-swap) without disrupting system power or interrupting communication on adjacent backplane slots, provided standard field terminal disengagement steps are followed.
Q: What cables and terminal structures connect field devices to this hardware?
A: External connections interface via pressure clamp terminal blocks, MIL connector cables, or the dedicated AKB331 cable assembly depending on system rack configurations.
Mount the unit directly into the designated CENTUM VP or Centum CS I/O card slot or rack rail until the locking tabs snap into place. Connect field input signal wiring to the pressure clamp terminals or dedicated AKB331 cable connectors according to channel polarity (sink or source configuration). Ground all field cable shielding at a single point at the system earth bar to mitigate ground potential differences. Keep 24 VDC digital input wiring separated from high-voltage AC power lines within the enclosure ducting to prevent electromagnetic coupling.
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