IS420YDOAS1B GE Discrete Output I/O Pack

GE IS420YDOAS1B Mark VIeS Discrete Output I/O Pack

GE IS420YDOAS1B Mark VIeS Discrete Output I/O Pack

Availability: 10 left in stock

Configured for discrete output activation and relay coil supervision in Mark VIeS safety platform architectures, the GE IS420YDOAS1B (IS420YDOA Discrete...

SKU: IS420YDOAS1B

Manufacturer: GE Fanuc
Product No.: IS420YDOAS1B
Product Type: Discrete Output I/O Packs
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Configured for discrete output activation and relay coil supervision in Mark VIeS safety platform architectures, the GE IS420YDOAS1B (IS420YDOA Discrete Output I/O Pack) provides direct physical/electrical execution. The module manages up to 12 relay/coil monitoring loops with a 6 ms I/O pack response time across simplex or triple modular redundant (TMR) configurations. Dual Ethernet ports deliver dual-network interface capability to transfer field status feedback directly to primary control processors.

Hardware Specifications

Parameter	Specification
Model	IS420YDOAS1B
Brand	GE Energy
Origin	USA
Weight	0.45 kg (1.00 lbs)
Dimensions	8.26 cm x 4.19 cm x 12.14 cm (H 3.25 in x W 1.65 in x D 4.78 in)
Operating Temp	-40 to 70 deg C (-40 to 158 deg F)
Power Consumption	24 VDC nominal (3-pin power connector)
Series	Mark VIeS
Product Type	Discrete Output I/O Packs
Functional Abbreviation	YDOA
Processor Board	BPPC
Response Time	6 ms
Relay/Coil Monitoring	12 Relay/Coil Monitors
Output Connector	DC-37 pin connector
Network Interface	Dual RJ-45 Ethernet ports
Visual Diagnostics	12 status LEDs (typically yellow)
Redundancy	Simplex or TMR

Backplane Bus Communication and Deterministic Networks

The IS420YDOAS1B offloads discrete sequence timing directly from the controller backplane, executing local relay feedback validation via onboard BPPC processor logic. Deterministic dual-Ethernet communication paths enable real-time status updates across TMR architectures, maintaining tight synchronization without sacrificing backplane bus communication velocity. Onboard surface-mount logic maintains firmware flash compatibility across safety nodes, optimizing I/O density scaling while isolating field power surges from sensitive control networks.

Frequently Asked Questions

Q: How does the IS420YDOAS1B physically connect to associated terminal boards?

A: Output signals and board-specific feedback paths interface directly with terminal boards through a dedicated rear DC-37 pin connector.

Q: What redundancy configurations are supported by the YDOA pack?

A: The module supports both simplex and Triple Modular Redundant (TMR) architectures, distributing control across dual Ethernet networks.

Q: What function do the 12 front-panel yellow LEDs serve?

A: The 12 yellow LEDs provide real-time visual diagnostic indication corresponding to the coil state and channel health of the 12 monitored relay outputs.

Field Installation Guidelines

ESD Precautions: Wear an anti-static grounded wrist strap before touching or mounting the module to prevent static discharge to the internal BPPC circuit board.
DC-37 Connector Engagement: Align the DC-37 pin output header carefully with the mating connector on the terminal board before securing the captive mounting thumbscrews.
Network & Power Cable Routing: Connect dual RJ-45 Ethernet lines and the 3-pin power connector, ensuring cable strain relief to prevent tension on port headers.
Thermal Envelope Spacing: Maintain clean vertical clearance around the module chassis to allow natural thermal convection across the operating range of -40 to 70 deg C.

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