Description
The GE General Electric IS410SRLYS2A / IS410SRLYS2ABB is a Mark VIeS Simplex Relay Contact Output Module, also identified as an SRLY terminal board. It provides an interface between discrete process actuators and Mark VIeS safety control logic through 12 Form-C relay output circuits. The board accepts one IS420YDOAS1B YDOA discrete output I/O pack, which is ordered separately, and provides 48 customer terminals for field wiring. Optional WRO-series daughterboards can be installed for contact wetting and fuse configurations. GE documentation identifies the IS410SRLYS2A as an active Mark VIeS component with IEC 61508 safety compliance.
📋 Product Datasheet
| Specification | Details |
|---|---|
| Brand | General Electric (GE) |
| Model | IS410SRLYS2A |
| Full Assembly / Part Number | IS410SRLYS2ABB |
| Series | Mark VIeS Functional Safety |
| Product Name | Relay Contact Output Module |
| Functional Designation | SRLY |
| Board Type | Simplex Relay Contact Output Terminal Board |
| I/O Pack | IS420YDOAS1B, 1 required and ordered separately |
| Number of Channels | 12 Form-C relay outputs |
| Customer Terminals | 48 |
| Output Configuration | Form-C, dry contacts, no fusing as standard |
| Contact Rating | 0.6 A @ 125 VDC; 1.2 A @ 48 VDC; 2.25 A @ 24 VDC; 2.25 A @ 120/240 VAC |
| Redundancy | Simplex |
| Field Terminals | Pluggable Euro-style box-type terminal blocks |
| Optional Daughterboards | IS400WROBH1A, IS400WROFH1A, IS400WROGH1A |
| Safety Compliance | IEC 61508 |
| Hazardous Location Capability | Class 1 Div. 2 / Class 2 Zone 2 / ATEX, subject to applicable system configuration |
| Module Dimensions | Approx. 17.0 × 24.9 × 15.3 cm including cover and I/O pack |
| Product Status | Active |
| Country of Origin | Verify from product label |
⚙️ Main Functions
• Provides 12 discrete Form-C relay outputs for Mark VIeS functional-safety applications.
• Interfaces field relay contacts with Mark VIeS safety control logic.
• Accepts one IS420YDOAS1B YDOA discrete output I/O pack.
• Provides isolated relay contact feedback to the I/O pack for diagnostic monitoring.
• Supports configurable Sequence of Events (SOE) for relay feedbacks.
• Supports optional WRO-series daughterboards for contact wetting and fuse configurations.
• Provides power-up self-test and I/O pack health diagnostics.
• Uses pluggable Euro-style terminal blocks for field wiring.
❓ Q&A
Q: What is the exact model?
A: The model is GE IS410SRLYS2A, with IS410SRLYS2ABB identified as the associated assembly number.
Q: What is the product name?
A: It is a Mark VIeS Simplex Relay Contact Output Module / SRLY Terminal Board.
Q: How many relay outputs are provided?
A: The IS410SRLYS2A provides 12 Form-C relay output circuits.
Q: Which I/O pack is used with this terminal board?
A: It accepts one IS420YDOAS1B YDOA discrete output I/O pack, which is ordered separately.
Q: Is this board TMR?
A: No. The IS410SRLYS2A is the simplex SRLY terminal-board configuration. GE provides separate TRLY terminal boards for Simplex or TMR configurations.
Q: Does it support fuse or contact-wetting options?
A: Yes. Optional IS400WROBH1A, IS400WROFH1A, and IS400WROGH1A daughterboards provide different contact-wetting and fusing configurations.
Q: What are the relay contact ratings?
A: GE specifies 0.6 A at 125 VDC, 1.2 A at 48 VDC, 2.25 A at 24 VDC, and 2.25 A at 120/240 VAC.
Q: Is the IS410SRLYS2A safety-rated?
A: GE documentation identifies the terminal board as safety-rated and compliant with IEC 61508.
Q: What should be checked before replacement?
A: Confirm the complete IS410SRLYS2A / IS410SRLYS2ABB number, YDOA I/O pack, daughterboard configuration, terminal arrangement, and Mark VIeS system requirements before installation.
⭐ Recommended GE Mark VIe / Mark VIeS Models
- GE IS420YDOAS1B — YDOA Discrete Output I/O Pack
- GE IS410TRLYS1B — Simplex/TMR Relay Contact Output Terminal Board
- GE IS410TRLYS1D — Relay Contact Output Terminal Board
- GE IS410TRLYS1F — Relay Contact Output Terminal Board
- GE IS410TRLYS2F — TMR Relay Contact Output Terminal Board
- GE IS400WROBH1A — Contact Wetting/Fusing Daughterboard
- GE IS400WROFH1A — Relay Contact Fusing Daughterboard
- GE IS400WROGH1A — Relay Contact Wetting/Fusing Daughterboard
- GE IS410STAIS2A — Simplex Analog I/O Terminal Board
- GE IS420YAICS1B — YAIC Analog I/O Pack
- GE IS410TBAIS1C — Analog Input Terminal Board
- GE IS420YUAAS1A — Universal Analog I/O Pack
- GE IS410SUAAS1A — Simplex Universal Analog Terminal Board
- GE IS410TVBAS2B — Vibration Input Terminal Board
- GE IS410JPDHG1A — Power Distribution Board
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One year warranty, special discount after sale
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