Product Details
The ABB 35ST90 GJR5144900R0001, also cataloged as the 35ST90 Front Connector Module, operates as a dedicated hardware component for field signal termination and wiring interface consolidation within ABB Symphony, Master, and Freelance DCS platforms. Constructed from corrosion-resistant brass alloy with an IP67 M12 connector type, it routes up to 16 discrete or analog channels across a wire gauge range of 0.14 mm2 to 1.0 mm2. The assembly operates at a rated current of 10 A and voltages up to 100 V DC across ambient operating temperatures from -40 deg C to +70 deg C.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 35ST90 (GJR5144900R0001) |
| Base Model | 35ST90 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 0.45 kg |
| Dimensions | 35 x 90 x 50 mm |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Passive Component / 10 A Current Limit |
| Material | Corrosion-resistant Brass Alloy |
| Connector Type | M12, IP67 rated |
| Connection Count | 16-pin |
| Operating Voltage | Up to 100 V DC |
| Wire Gauge | 0.14 mm2 - 1.0 mm2 |
| System Compatibility | ABB Symphony, Master, Freelance DCS |
Backplane Bus Communication Velocity and Density Scaling
The passive physical interconnection design preserves high backplane bus communication velocity and signal integrity when scaling I/O density on active rack cards. Contact resistance across all 16 pins is minimized to eliminate signal distortion during high-frequency data sampling. Direct terminal engagement ensures full electrical compatibility across system processor flash firmware updates without requiring modifications to field terminal wiring.
Frequently Asked Questions
Q: What are the maximum wire gauge and current limits per terminal pin?
A: The connector accepts conductor cross-sections between 0.14 mm2 and 1.0 mm2 (26 AWG to 18 AWG) and supports a maximum current rating of 10 A per pin at up to 100 V DC.
Q: How is the IP67 ingress protection rating maintained at the field interface?
A: IP67 protection requires fully tightening the M12 screw coupling until seated against the integral rubber gasket, preventing dust and water entry into the 16-pin contact array.
Field Installation Guidelines
- Strip field conductors to 6-8 mm, ensuring individual wire strands are fully inserted into terminal clamping points without stray conductors.
- Align the 16-pin guide key with the mating I/O module faceplate before pressing the connector into place.
- Hand-tighten the M12 metallic coupling ring to lock the connector body onto the card frame and ensure grounding continuity.
- Route field wiring through strain-relief channels inside the control cabinet to avoid mechanical tension on the screw terminals.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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