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PROSOFT MVI56-DFCMR DF1 Reduced Data Block Communication Module

PROSOFT MVI56-DFCMR DF1 Reduced Data Block Communication Module

PROSOFT
R
REDUCED
DATA BLOCK
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CONTROLLOGIX · DF1 SERIAL INTERFACE

MVI56-DFCMR

DF1 Interface Module with Reduced Data Block

Two configurable DF1 ports for local or remote ControlLogix racks, with a reduced I/O data area for efficient processor-to-module transfer.

FORM1756 · SINGLE SLOT ROLEMASTER / SLAVE CAPACITY5000 REGISTERS
SALESMiya Zheng EMAIL ↗
sales@amikon.cn
WHATSAPP ↗
+86 18020776792
GET A QUOTE →
CONTROLLOGIX · REDUCED I/O DATA AREA

MVI56-DFCMR

DF1 Interface Module with Reduced Data Block

A single-slot ControlLogix module that connects I/O-compatible processors with DF1 devices and hosts. Its small I/O transfer area is suited to local or remote racks, including ControlNet or EtherNet/IP-connected remote chassis.

DATA FLOW
CONTROLLOGIX PROCESSOR
Ladder logic / I/O image
↓ reduced data block ↓
MVI56-DFCMR
Internal database & DF1 engine
↓ serial exchange ↓
DF1 DEVICES
PLCs · meters · radios · modems
ENGINEERING REFERENCE

Technical data at a glance

PLATFORM1756 ControlLogix RACKLocal or remote · 1 slot PORTS2 application ports
INTERFACESRS-232 / RS-422 / RS-485 BAUD RATE110–115,200 baud DATA FORMAT5–8 bits · N/O/E · 1–2 stop
DATABASEUp to 5000 registers COMMAND LENGTHUp to 125 words ISOLATION500 V from backplane
BACKPLANE LOAD800 mA @ 5 V; 3 mA @ 24 V OPERATING0 to 60°C HUMIDITY5–95%, non-condensing
How it is commissioned
01 · Set PRT jumpers for RS-232/422/485. 02 · Install in the selected ControlLogix slot. 03 · Match sample ladder logic to processor firmware and slot.
04 · Configure each port as Master or Slave. 05 · Set baud, parity, data and stop bits. 06 · Verify LEDs, status and DF1 traffic.

Where MVI56-DFCMR is used

REMOTE CHASSIS

Reduced I/O data transfer for ControlNet or EtherNet/IP-connected remote racks.

LEGACY DF1 ASSETS

Connect compatible PLCs, power monitors and packaged equipment.

RADIO & MODEM LINKS

Hardware handshaking supports radio, modem and multi-drop networks.

FIVE PRACTICAL QUESTIONS

MVI56-DFCMR FAQ

1. Why does MVI56-DFCMR use a reduced data block?

It reduces the ControlLogix I/O data area used for processor-to-module transfers, which is useful in local and especially remote-rack architectures.

2. Can both MVI56-DFCMR serial ports be configured independently?

Yes. Each application port can be configured as a DF1 Master or Slave with its own serial parameters.

3. Which physical interfaces does MVI56-DFCMR support?

The application ports support RS-232, RS-422 and RS-485; jumper settings must match the required wiring interface.

4. What data capacity does MVI56-DFCMR provide?

The module supports user-defined memory usage for storage and transfer of up to 5000 registers, with read/write command lengths up to 125 words.

5. What should be checked before installing MVI56-DFCMR?

Verify available rack power, slot assignment, processor firmware/sample ladder compatibility, port jumpers, cabling and all DF1 settings.

EXPLORE MORE INVENTORY

Recommended Models

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