MMS6350/DP Emerson EPRO PROFIBUS-DP Interface Technical Manual
Manufacturer: Emerson
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Part Number: MMS6350/DP
Condition：New with Original Package
Product Type: PLC Processors
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson MMS6350/DP EPRO Module Control Board
The Emerson MMS6350/DP, also cataloged as the MMS6350 Speed Measurement and Overspeed Protection Card, operates as a dedicated hardware component for rotational velocity monitoring within distributed control networks. The module interfaces directly with active or passive proximity sensors to capture raw pulse frequencies, processing transient machine dynamics at the hardware layer. Operating as an autonomous machine protection node, it executes independent overspeed trip evaluation logic and transmits real-time diagnostics over a physical network link to master supervisory hosts.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MMS6350/DP |
| Brand | Emerson (EPRO Series) |
| Origin | USA |
| Weight | 0.20 kg (0.10 kg module weight exclusive of packaging) |
| Dimensions | 3.1 cm x 19.0 cm x 12.9 cm (Standard Euro-format 100 x 160 mm, 6 TE width without display) |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | Max 250 mA sourced via 2 redundant +24 VDC inputs |
| Input Signal Range | 0-30 VDC sensor inputs |
| Input Resistance | 100 k-ohms |
| Sensor Signal Output | 0-4.1 Vpp (plus or minus 1% full scale) |
| Pulse Output Profile | TTL pulses, 0-5 V amplitude, 0-20 kHz frequency bounds |
| Max Measuring Velocity | 65535 rpm |
| Analog Output 1 | 0/4-20 mA current loop, 16-bit resolution, isolated |
| Analog Output 2 | Optional 0/4-20 mA current loop, referenced to system ground |
| Binary I/O Interface | 2 isolated 24 VDC binary inputs; 6 binary outputs (24 VDC, max 25 mA) |
| Protocol Connectivity | RS232, RS485, integrated PROFIBUS-DP network layer |
| Backplane Connector | DIN 41 612 type F 48 M assembly |
| Safety Certification | SIL3 compliant according to DIN EN 61508 standards |
Profinet / EtherNet/IP Deterministic Networks and Interface Velocity
The MMS6350/DP module utilizes a hardware-level pulse-processing engine to scale speed calculations up to 65535 rpm with zero processing lag on the protection trip relays. For plant-wide orchestration, the onboard network interface bridges local speed parameters directly onto PROFIBUS-DP topologies, facilitating low-latency integration with Profinet / EtherNet/IP deterministic networks via external master gateways. Onboard galvanic isolation fields shield internal registers from high-voltage field transients up to 35 V on the binary inputs. This protective design maintains stable firmware flash compatibility and prevents data corruption within the communication buffer during rapid rotational acceleration or severe grid-load rejections.
Frequently Asked Questions
Q: Can the MMS6350/DP module be extracted from the subrack while the machine is running?
A: No. The Euro-format DIN 41 612 connector does not support live hot-swapping under load. Removing the module while powered can cause inductive arcing across the pins, leading to memory corruption or triggering uncommanded overspeed trip outputs on upstream machinery shutdown loops.
Q: How is firmware flash compatibility verified when changing target pulse parameters or updating configuration profiles?
A: Configuration changes are staged through the RS232/RS485 service port via external setup software. The hardware validates incoming registers through local non-volatile memory checks, ensuring firmware flash compatibility and keeping pre-set overspeed trip curves unaltered before final validation execution.
Q: How does the dual-channel redundant power input handle a single-supply failure?
A: The module incorporates internal high-speed diode auctioneering logic across the two +24 VDC supply terminals. If one input line experiences a voltage drop or a direct short, the secondary rail assumes the total current load with 0 milliseconds switching latency, preventing a processing reset.
Field Installation Guidelines
- Slide the Euro-format card along the subrack guide rails until the rear DIN 41 612 type F 48 M connector is firmly seated into the backplane bus socket.
- Tighten the front panel retaining screws to ensure proper grounding connection to the chassis frame and to damp high-frequency vibration profiles.
- Route sensor input lines and high-speed pulse conduits inside independent grounded metallic enclosures, maintaining a minimum clearance of 300 mm from three-phase AC motor circuits.
- Ground the cable shields exclusively at the subrack frame ground terminal to eliminate ground loops, and confirm that air pathways remain clear to maintain operational temperature stability between -20 and +70 deg C.