Products Description
Yokogawa ADV551-P50 Digital Output Module

Technical Specifications
Model:ADV551-P50
Brand:Yokogawa
Output channels:32 isolated channels
Output type:Current sink
Rated load:24V DC,50mA per channel
External power range:20.4~26.4V DC
Response time:≤3ms(status output),≤10ms(mixed pulse output)
Pulse width range:8ms ~7200s,8ms resolution
Withstand voltage:2kV AC(1min) between field and system;500V AC(1min) between common groups
Operating temperature:-10~+60℃
Relative humidity:5~95% non-condensing
Weight:0.20kg
Certification:CE
System compatibility
Designed for Yokogawa CENTUM VP DCS FIO FCS station,transmit digital on/off and pulse control signals to solenoid valves,relays and contactors,widely used in petrochemical,power,chemical refining process control.Hot swap supported.
Function
ADV551-P50 is 32-channel isolated digital output module with pulse and time-proportional output function.It converts digital control command from FCS controller into 24V DC sink signal for field actuators.Supports pulse output for batch control applications.Each group of 16 channels shares common COM terminal.
Installation
Install on CENTUM VP FCS backplane slot,connect field devices via terminal block or KS cable adapter,configure digital and pulse parameters by CENTUM VP engineering software.Hot swap supported.
Interface
‑Field signal wiring connector
‑Internal ESB bus backplane connector
‑LED indicators for run,alarm and channel fault
Circuit feature
Group isolation by 16 channels,overcurrent protection,continuous self-diagnosis,anti-electromagnetic interference,stable operation for industrial field.
Feature
ADV551-P50 belongs to Yokogawa CENTUM VP FIO series digital output module,suffix P=pulse output function.Common faults:terminal loose,cable short,output transistor damage.Confirm firmware version before replacement.
Diagnostic
Short circuit,overload or module hardware fault triggers alarm and upload diagnostic message to DCS controller.

Built‑in function
Output switch and pulse control signals to field actuators,used for industrial DCS spare replacement.
Product Brief
ADV551-P50 is Yokogawa CENTUM VP FIO 32 channel 24V DC sink digital output module with pulse/time-proportional output.Check system hardware compatibility before ordering.ESD anti-static protection required during installation.