SPW484-13 Yokogawa ProSafe-RS Datasheet & Technical Manual

24 VDC Power Supply Module | Yokogawa SPW484-13 S1 ProSafe-RS

24 VDC Power Supply Module | Yokogawa SPW484-13 S1 ProSafe-RS

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Yokogawa SPW484-13 S1 Power Supply Module Configured for AC-to-DC primary power conversion in ProSafe-RS Safety Control Station platforms, the Yokogawa...

رمز المنتج: SPW484-13

Manufacturer: Yokogawa
Product No.: SPW484-13
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 3200g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa SPW484-13 S1 Power Supply Module

Configured for AC-to-DC primary power conversion in ProSafe-RS Safety Control Station platforms, the Yokogawa SPW484-13 S1 (SPW484-13 Power Supply Module) provides direct physical/electrical execution. Mounted directly into the SCS rack subrack, the module conditions incoming 100-240 VAC mains voltage to generate a regulated 24 VDC bus output rated up to 5 A. This supply rail directly powers local CPU processors, communication interfaces, and backplane-connected I/O modules, maintaining galvanic isolation between field wiring and internal system buses.

Hardware Specifications

Parameter	Specification
Model	SPW484-13 S1
Brand	Yokogawa
Origin	Japan / Indonesia
Weight	3.2 kg
Dimensions	178 x 191 x 197 mm
Operating Temp	-20 deg C to +60 deg C
Storage Temp	-40 deg C to +85 deg C
Relative Humidity	5-95 % RH (non-condensing)
Power Consumption	120 W output capacity
Input Voltage Range	100-240 VAC (50/60 Hz)
Output Voltage	24 VDC regulated
Output Current	Up to 5 A
Efficiency	>=85% typical
Ripple & Noise	<=50 mV RMS
Compliance	CE, TUV, ATEX, IECEx, SIL3 compliance

Channel-to-Channel Isolation and Power Distribution

The Yokogawa SPW484-13 S1 features full galvanic isolation between input mains circuits and output system buses to prevent transient voltage spikes from damaging safety processors. Integrated active decoupling circuitry supports dual-redundant power configurations within the SCS rack. When two modules run in parallel, internal load-sharing circuits equalize the current draw, enabling seamless, uninterrupted takeover if one AC feed or internal power stage experiences a hardware failure.

Frequently Asked Questions

Q: Does the SPW484-13 S1 support online hot-swapping during active SIL3 controller operation?

A: Yes, you can extract a failed SPW484-13 S1 module and install a replacement unit while the subrack remains energized, provided a secondary redundant power supply module maintains the 24 VDC bus load.

Q: How does the unit alert the safety system controller to primary power failures?

A: The module drives real-time diagnostic signals across the rack backplane bus while illuminating front-panel status LEDs to notify the controller instantly of input line loss, overcurrent shutdown, or thermal limit exceedances.

Q: What protective measures prevent downstream damage during external field shorts?

A: The module incorporates built-in overcurrent and short-circuit protection circuits. Upon detecting a continuous fault condition, it limits output current and automatically restores standard 24 VDC output once the external fault is cleared.

Field Installation Guidelines

First, turn off external supply circuit breakers feeding the target SCS subrack slot before starting hardware installation. Ensure technicians attach a grounded ESD wrist strap to an unpainted metal surface on the panel chassis.

Next, align the SPW484-13 S1 module guide rails with the designated power supply slot in the rack frame. Slide the unit firmly inward until the rear power connectors fully seat against the backplane connector block, then torque the top and bottom retaining screws to 0.6 Nm.

Then, route incoming AC power wiring through dedicated cabinet conduits to maintain separation from low-voltage DC lines and signal cables. Strip conductor insulation cleanly to 7 mm, secure wires firmly into the screw terminal connections, and verify correct line and neutral orientation.

Finally, measure the incoming AC line voltage to ensure it stays within the allowable 100-240 VAC range. Apply primary mains power and verify that the green front-panel power LED lights up continuously, indicating correct voltage output to the backplane.

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