EPSCPE100-ACAH Emerson RSTi-EP Datasheet & Technical Manual
Manufacturer: Emerson
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Part Number: EPSCPE100
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson EPSCPE100-ACAH PACSystems RSTi-EP Standalone Controller
The Emerson EPSCPE100-ACAH, also cataloged as the EPSCPE100 PACSystems RSTi-EP Standalone Controller, operates as a dedicated hardware component for machine control, process automation, and edge computing within industrial automation networks. The unit executes compiled control strategies using an integrated System-on-Module (SoM) processor to maintain low-latency scanning across local and distributed I/O buses. By combining logic processing with hardware-level communication execution, the component routes discrete and analog variables without auxiliary network gateways.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EPSCPE100-ACAH (Base Model: EPSCPE100) |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.38 kg (Standard standalone controller block mass) |
| Dimensions | Compact RSTi-EP form factor enclosure |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Backplane logic draw driven by standard 24 VDC supply |
| Processor | Integrated System-on-Module (SoM) |
| Memory | 1 MB user memory |
| I/O Capacity | 2K discrete I/O bits, 32K analog I/O words |
| Storage Interfaces | MicroSD card slot, 1 x USB-A 2.0 port |
| Ethernet Interfaces | 1 x 10/100 Mbps port, 1 x 3-port switch (10/100 Mbps) |
| Serial Interface | 1 x RS-232 port |
| Protocols Supported | PROFINET, Modbus TCP/IP, OPC UA, SRTP, EGD |
| Network Redundancy | Media Redundancy Protocol (MRP) |
| Mounting | DIN rail |
| Certifications | CE, RoHS |
Industrial Control & Drives Network Determinism
The hardware routing subsystem leverages integrated Ethernet switches to execute deterministic communication across Profinet and EtherNet/IP networks. The controller handles native multi-protocol concurrency, processing up to 8 distinct PROFINET field devices alongside 8 independent OPC UA client connections directly inside the firmware layer. Network ring architecture stability is governed via embedded Media Redundancy Protocol (MRP) logic, which manages recovery mechanisms and alters data routing paths under sub-millisecond constraints during physical network cable disruptions.
Frequently Asked Questions
Q: How is data storage managed during runtime diagnostic logging on the EPSCPE100-ACAH?
A: The controller utilizes its 1 MB internal user memory allocation for active application code. Extended diagnostics, application backups, and historical data logs are compiled and written directly to a standard flash card via the integrated MicroSD slot or directed out through the USB-A 2.0 interface.
Q: What are the routing capabilities of the dual Ethernet port interfaces?
A: The hardware contains one isolated 10/100 Mbps port alongside an independent 3-port unmanaged switch array. This division allows engineers to physically separate internal I/O scanning traffic from corporate network queries or OPC UA client connections.
Q: Does the firmware flash capability support mixed discrete and analog allocation changes?
A: Yes, the 2K discrete bits and 32K analog words are fully mapable across the system firmware. Memory partition tables are checked during firmware flash cycles to ensure memory boundaries remain aligned during runtime changes.
Field Installation Guidelines
- DIN-Rail Grounding Stability: Snap the controller chassis firmly onto a standard symmetric DIN rail. Ensure the rear zinc-plated grounding clip establishes a scratch-free contact connection with the metal rail surface to divert high-frequency switching noise.
- Profinet Segment Separation: Route all PROFINET and Modbus TCP/IP communication cables inside shielded twisted-pair (STP) Cat5e or Cat6 cables. Run these network lines perpendicular to AC motor drives and motor power cables to minimize inductive cross-talk.
- Thermal Dissipation Boundaries: Maintain a clearance profile of at least 30 mm around the top, bottom, and sides of the physical housing. In deployments where cabinet temperatures approach +70 deg C, maintain adequate forced-air ventilation to stabilize internal SoM processor temperatures.