Product Details
The ABB CMA135 3DDE 300 415, also cataloged as the CMA135 Synpol D Module, operates as a dedicated hardware component for high-density HART signal multiplexing and field device integration within ABB S800 I/O systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CMA135 (3DDE 300 415) |
| Brand | ABB |
| Origin | Sweden |
| Weight | 0.7 kg |
| Dimensions | 45 mm x 100 mm x 125 mm |
| Operating Temp | -25 to +70 deg C |
| Power Consumption | ~2.5 W (24 VDC via S800 I/O baseplate) |
| HART Channels | 16 channels (multiplexed, HART 5, 6, 7 all revisions) |
| Isolation | 1500 VAC (channel-to-channel and channel-to-system) |
| Communication Interface | ABB internal S800 bus |
| Field Interface | 2 x M12 connectors (8 HART pairs each) |
| Relative Humidity | 5% to 95% (non-condensing) |
Backplane Bus Communication Velocity and Firmware Flash Compatibility
The CMA135 module processes multiplexed HART variable polling without degrading backplane bus communication velocity across the host S800 I/O backplane. Hardware-level 1500 VAC channel isolation protects internal signal processing circuits from earth potential shifts and field-induced noise. Standardized firmware flash compatibility across ABB controller platforms ensures deterministic data updates and seamless I/O density scaling across distributed node configurations.
Frequently Asked Questions
Q: How is primary operating power supplied to the CMA135 module?
A: Power is drawn directly from the 24 VDC auxiliary bus embedded within the S800 I/O baseplate, consuming approximately 2.5 W during standard operation.
Q: What isolation rating exists between individual HART channels and the system logic?
A: Galvanic isolation rated at 1500 VAC is maintained channel-to-channel as well as between individual channels and the backplane logic interface.
Q: Are field connection points wired via standard terminal blocks or specialized connectors?
A: Signal wiring connects through two M12 field connectors, with each M12 interface accepting 8 twisted HART channel pairs.
Field Installation Guidelines
- Turn off 24 VDC baseplate power and verify system isolation prior to seating the CMA135 module.
- Wear an ESD wrist strap connected to cabinet frame earth ground during board handling.
- Align the module housing guide pins with the target slot on the S800 baseplate and push firmly until fully latched.
- Secure M12 field connector plugs onto the front panel receptacles, tightening retaining collars to ensure solid contact and IP-rated sealing.
- Apply power to the S800 baseplate and verify module boot status and HART channel communication LEDs via controller diagnostic software.
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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