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The ProSoft Technology 3100-MCM is an in-rack communication module designed for Allen‑Bradley SLC 500 PLC chassis. It provides Modbus RTU Master and Slave communication over isolated RS485 serial port, enabling SLC 500 controllers to exchange data with Modbus RTU instruments, drives, meters and remote PLCs. Technical data sourced directly from official ProSoft 3100-MCM datasheet & user manual. Supplied by SHLY-PLC, an independent industrial automation distributor; each unit undergoes visual inspection and functional testing before shipment for retrofit and spare replacement projects. Contact our team for compatibility verification.
Official Datasheet & User Manual Technical Parameters
| Technical Specifications | |
| Catalog Number | 3100-MCM |
| Hardware Type | SLC 500 Rack Mount Modbus Communication Module |
| Serial Interface | Isolated RS485, screw terminal connection |
| Supported Protocol | Modbus RTU, Master / Slave software selectable |
| Host Platform | Allen‑Bradley SLC 500 PLC chassis |
| Configuration Software | ProSoft Configuration Builder (PCB) |
| Power Source | Backplane powered from SLC 500 chassis |
| Environmental Ratings | |
| Operating Temperature | 0°C ~ +55°C (32°F ~ +131°F) |
| Storage Temperature | -40°C ~ +85°C (-40°F ~ +185°F) |
| Relative Humidity | 5% ~ 95% RH, Non-Condensing |
| Agency Certifications | |
| cULus | UL Class I Div 2 Groups A,B,C,D |
| Compliance | CE, RoHS |
The 3100-MCM is ProSoft 3100 series in-chassis communication module exclusively for Allen‑Bradley SLC 500 PLC. It uses isolated RS485 to run Modbus RTU Master or Slave. Data mapping between Modbus registers and SLC500 data tables is set up in ProSoft Configuration Builder software. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for product identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: 3100-MCM is ProSoft Modbus RTU Master/Slave rack module for Allen‑Bradley SLC 500 PLC chassis with isolated RS485 port.
A: Designed for Allen‑Bradley SLC 500 series PLC, mounts directly into SLC chassis slot.
A: ProSoft Configuration Builder (PCB) software used for setup and Modbus register mapping to SLC 500 data tables.
A: Yes, operation mode (Master or Slave) is selectable via PCB project configuration.
3100-MCM · Technical reference data · Independently supplied by SHLY-PLC
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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