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ProSoft MVI69E-MBS | CompactLogix Enhanced Modbus Serial Master/Slave Communication Module In Stock

ProSoft MVI69E-MBS | CompactLogix Enhanced Modbus Serial Master/Slave Communication Module In Stock

Original price was: $5,558.00.Current price is: $5,388.00.

Parameter Value
Part Number MVI69E-MBS
Form Factor 1769 single slot CompactLogix module
Backplane Load 500 mA @5 VDC, power distance rating = 4
Application Serial Ports 2 × RJ45 (P1, P2), software-selectable RS232 / RS422 / RS485
Configuration Port 10/100 Base-T Ethernet auto-negotiate
Isolation 500V optical isolation between serial ports and backplane
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Description

At-A-Glance Executive Brief

  • Model: MVI69E-MBS
  • Brand: ProSoft Technology
  • Part Type: Enhanced Modbus Serial communication module (1769 single-slot CompactLogix form factor)
  • Lifecycle status: Active legacy product; stocked for brownfield Rockwell CompactLogix automation retrofits
  • System compatibility: Rockwell CompactLogix, RSLogix 5000 V16+, 1769 backplane
  • Weight: 0.20 kg

 

Technical Introduction

Failure of the MVI69E-MBS interrupts Modbus serial communications between CompactLogix PAC and field Modbus instruments, causing loss of analog measurements, discrete control and SCADA/DCS data exchange. The MVI69E-MBS is ProSoft’s enhanced in-chassis Modbus serial gateway for Rockwell CompactLogix 1769 racks. It provides two independent serial application ports supporting Modbus RTU and Modbus ASCII. Each port can be individually set as Modbus Master or Slave. It includes a dedicated 10/100 Ethernet configuration port for web-based setup, diagnostics and firmware updates. As a co-processor module, it offloads Modbus polling from the CompactLogix CPU to minimize PLC scan time impact. It supports up to 10,000 words of internal data storage and up to 250 Modbus commands per serial port, with Enron/Daniel floating-point register mapping. It ships with RSLogix5000 Add-On Instruction (AOI) and Add-On Profile, automatically creating UDT tag structures for simple integration. 500V optical isolation separates serial field circuits from the PLC backplane to mitigate ground-loop noise. Water, power, chemical and manufacturing plants keep spare MVI69E-MBS modules to reduce downtime for CompactLogix fieldbus interfaces.

  • Best Suited For
    • Rockwell CompactLogix 1769 automation racks
    • Serial Modbus RTU/ASCII master/slave links to VFDs, flow meters, transmitters, RTUs and legacy controllers
    • Direct drop-in replacement for existing ProSoft MVI69E-MBS enhanced Modbus serial hardware

 

Core Technical Specifications

Parameter Value
Part Number MVI69E-MBS
Form Factor 1769 single slot CompactLogix module
Backplane Load 500 mA @5 VDC, power distance rating = 4
Application Serial Ports 2 × RJ45 (P1, P2), software-selectable RS232 / RS422 / RS485
Configuration Port 10/100 Base-T Ethernet auto-negotiate
Isolation 500V optical isolation between serial ports and backplane
Protocols Modbus RTU, Modbus ASCII; Enron/Daniel float support
Mode Per-port independent: Modbus Master or Slave
Max Modbus Commands 250 commands per port
Internal Data Buffer Up to 10,000 words
Software ProSoft Configuration Builder, RSLogix5000 AOI/Add-On Profile
Diagnostics LEDs OK, ETH, P1, P2, BP, CFG
Operating Temperature 0°C ~ 60°C
Storage Temperature -40°C ~ 85°C
Humidity 5%–95% non-condensing
Environmental Details Please refer to the OEM datasheet for complete environmental tolerances.

 

Field Engineer’s Tech Notes

  • Configuration can be saved within CompactLogix ACD project file. After replacement, download the saved module configuration and validate Modbus command list, register mapping and float byte ordering.
  • Supports RIUP hot-swap in properly configured CompactLogix racks; confirm remaining control path health before extraction.
  • Serial physical layer (RS232/422/485) is software selected (no jumpers unlike older MVI69-MCM).
  • Use shielded twisted-pair wiring for RS485/422 field networks with single-point shield grounding to suppress ground loop interference.
  • Floating-point word/byte ordering must match field device, otherwise analog values will be garbled in controller tags.
  • Handle PCB with ESD protection.

 

Adaptive QA & Testing Protocol

Each MVI69E-MBS is bench tested on CompactLogix 1769 rack with RSLogix5000. We load the module configuration and verify backplane communication and tag mapping. Both serial ports are validated in Modbus Master and Slave modes using RTU/ASCII simulators. Enron/Daniel floating-point register mapping is checked. Web configuration port, firmware upload and diagnostic counters are verified. Front panel LED status, internal database and connector continuity inspection are performed. Full test reports or bench test video clips are available upon request.

 

Buyer’s FAQ

Q: What is ProSoft MVI69E-MBS used for? A: It is an enhanced Modbus serial co-processor module for CompactLogix. It enables the PLC to communicate via RS232/422/485 Modbus RTU/ASCII with field instruments, drives and remote devices, featuring an Ethernet configuration port and native AOI integration.

Q: What warranty applies for refurbished and NSFP MVI69E-MBS? A: Refurbished and NSFP units carry a 12-month hardware warranty. Coverage excludes ESD damage, incorrect register/float mapping, misconfigured serial parameters and field wiring transients.

Q: What lead time should I expect? A: Stocked units ship 3–7 business days. If inventory is depleted, lead time increases while we source surplus ProSoft MVI69E-MBS modules.

Q: What is the difference between MVI69-MCM and MVI69E-MBS? A: MVI69-MCM is legacy generation, uses jumpers for serial physical selection, no Ethernet config port. MVI69E-MBS is enhanced version with software-selectable serial standards, built-in Ethernet setup port, AOI/Add-On Profile and larger data buffer.

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