Configured for current-signal control execution in CENTUM VP and ProSafe-RS control systems, the Yokogawa A2SAM505-H000 S1 (A2SAM505-H000 S1 Analog Output Module) provides direct physical/electrical execution.
Hardware Specifications
Parameter
Specification
Model
A2SAM505-H000 S1
Brand
Yokogawa
Origin
Japan
Weight
Lightweight I/O Module
Dimensions
Standard Yokogawa I/O Module Form Factor
Operating Temp
Control-Room Rated Thermal Range
Power Consumption
Low-Power Analog Output Module
4-20 mA HART Loop Protocol and Channel Isolation
The A2SAM505-H000 S1 delivers precise current-signal control to field devices such as actuators and analog indicators. The 4-20 mA HART loop protocol compatibility allows superimposed digital communication packets to travel alongside analog control signals without signal distortion or loop attenuation. Channel-to-channel isolation and logic-to-field isolation parameters protect internal processor circuitry from common-mode transients and ground loops originating across field wiring networks. Cold junction compensation (CJC) and internal signal conditioning maintain stable conversion performance and output linearity across the operating envelope.
Frequently Asked Questions
Q: What output signal types and ranges are supported by this module variant?
A: The module provides isolated current-signal analog outputs configured for typical industrial ranges such as 4-20 mA or 0-20 mA.
Q: Does the module support hot-swap capabilities within the system rack?
A: System power and loop supplies must be isolated prior to physical installation or extraction to prevent electrical arcing and backplane terminal damage.
Q: How are field wiring connections secured to the module?
A: The unit utilizes pressure-clamp terminal blocks designed for secure wire retention and reliable low-resistance signal contact.
Field Installation Guidelines
Ensure that the rack backplane is securely mounted and grounded prior to inserting the analog output module.
Verify that system power supplies are de-energized before connecting or disconnecting field wiring at the pressure-clamp terminal blocks.
Route analog output signal cables away from high-voltage power lines and heavy inductive loads to minimize electromagnetic interference (EMI).
Maintain proper ventilation clearance around the rack enclosure to support unhindered convective thermal dissipation.
