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DF1 Master/Slave to PROFIBUS DP Master Gateway


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The ProLinx DF1 Master Slave to PROFIBUS DP Master Gateway creates a powerful connection between devices on a DF1 network and PROFIBUS DP slave devices. This stand-alone DIN-rail mounted protocol gateway provides one serial port and PROFIBUS DP Master port.
The DF1 protocol driver supports Master or Slave implementations of the protocol on each DF1 port. All DF1 ports are individually configurable.
The PROFIBUS DP Master protocol driver supports Master implementations of the protocol on either a Mono-Master or Multi-Master network.

Características y Beneficios


The DFCM-PDPM modules are the ideal solution for the many applications where DF1 connectivity can be used to integrate a PROFIBUS DP Slave device into a system. The Modbus Master/Slave gateway is a powerful module designed with Client and Server support, enabling easy connection to Rockwell Automation PLCs (CLX, SLC, PLC, CPLX, and similar devices). In combination with the PROFIBUS DP Slave device support, the module provides a very powerful interface to the many PROFIBUS devices which are in use in the industrial marketplace today. Applications for the module are found in most industries, especially the Manufacturing, Oil and Gas, Electrical Power and Food Processing.


Internal Database

The ProLinx module contains an internal database that consists of areas for application data, status information, and configuration information.

The internal database is shared between all ports on the module and is used as a conduit to pass information from a device on one network to one or more devices on another network.

Application Data Area

The data area is used to store and retrieve data by the protocol drivers and for data exchange between protocols. The database is used as a source for write commands to remote devices and holds data collected from the remote devices. Commands defined in the configuration file (stored in the configuration data area) control how the data is to be handled in the database.

Status Data Area

This area is used to store error codes, counters, and port status information for each port.

Configuration Data Area

This area contains module configuration information such as port configuration, network information, and command configuration. This configuration file is downloaded to, or uploaded from, this area.




Power Supply

24 VDC nominal
18 to 32 VDC allowed
Positive, Negative, GND Terminals
2.5 mm screwdriver blade

Current Load

500 mA max @ 32 VDC max

Operating Temperature

-4° F to 122° F (-20° C to 50° C)

Storage Temperature

-40° F to 185° F (-40° C to 85° C)

Relative Humidity

5% to 95% (with no condensation )


 5.20 in H x 2.07 in W x 4.52 in D (13.2 cm x 5.25 cm x 11.48 cm)
 5.20 in H x 2.73 in W x 4.52 in D
(13.2 cm x 6.934 cm x 11.48 cm)

LED Indicators

Power and Module Status
Application Status
Serial Port Activity
Serial Port Error Status

Configuration Serial Port

DB-9M RS-232 only
No hardware handshaking

Ethernet Port (Ethernet modules only)

10Base-T half duplex RJ45 Connector
Link and Activity LED indicators
Electrical Isolation 1500 V RMS at 50 Hz to 60 Hz for 60 s, applied as specified in section 5.3.2 of IEC 60950: 1991
Ethernet Broadcast Storm Resiliency = less than or equal to 5000 [ARP] frames-per-second and less than or equal to 5 minutes duration

Application Ports

Modbus Plus Connector
Two DB9 Female Standard Modbus Plus connectors

Serial Port Isolation

2500 V RMS port signal isolation per UL 1577
3000 VDC min. port to ground and port to logic power isolation

Shipped with Each Unit

Mini-DIN to DB-9M serial cables
4 ft RS-232 configuration cable
2.5mm screwdriver
CD (docs and Configuration utility)
RS-422/485 DB-9 to Screw Terminal Adaptor (1 or 4, depending on ports)


ProSoft Configuration Builder (PCB)
DFCM PDPM Datasheet 84,13 kB Última Modificación 26.04.2010
DFCM Protocol Manual 866,04 kB Última Modificación 16.02.2012
PDPM Driver Manual 1,21 MB Última Modificación 24.06.2013
Sycon 44,29 MB Última Modificación 25.06.2013


DFCM Protocol Specification

The DF1 protocol driver supports Master or Slave implementations of the protocol on each DF1 port. All DF1 ports are individually configurable.

Protocol Specifications

The DF1 Master/Slave Protocol driver provides extensive support for both Master and Slave implementations of the protocol. The serial port on the gateway is user-configurable to support the DF1 protocol (Master or Slave, Error Checking, Baud rate, etc).

General Parameters

Communication parameters

Local Station ID: 0 to 254
Ports 1 to 3 Baud Rate: 110 to 115K baud
Stop Bits: 1
Data Size: 8 bits
Parity: None, Even, Odd
RTS Timing delays: 0 to 65535 milliseconds

Error Checking



Full hardware handshaking control, providing radio, smart modem and multi-drop support
Floating point data supported

DF1 Master Protocol Specifications

The ports on the module can be individually configured as Master ports. When configured in master mode, the DFCM module is capable of reading and writing data to remote DF1 devices.

DF1 Master Driver

DF1 Modes

Full-Duplex - Master (Module generates commands)

Half-Duplex - Polling

Command List

Up to 100 commands per Master port, each fully-configurable for function, slave address, register to/from addressing and word/bit count

Polling of Command List

User-configurable polling of commands, including disabled, continuous, and on change of data (write only)

DF1 Slave Protocol Specifications

The ports on the module can be individually configured to support the Slave mode of the DF1 protocol. When in slave mode, the module can accept DF1 commands from a master to read/write data stored in the module's internal registers.

DF1 Slave Driver

DF1 Modes

Full Duplex - Slave (not peer mode)
Half Duplex - Polled

Configurable parameters per slave port

Data Table File Start (File N[x] 0 to 999)
Data Table File Size (1 to 1000 words)
Data Table location in database (0 to 3999)

PDPM Protocol Specification

The PROFIBUS DP Master protocol driver supports Master implementations of the protocol on either a Mono-Master or Multi-Master network.

Protocol Specifications

The PROFIBUS Master protocol driver exists as a single port implementation. The driver can be configured as a Class 1 PROFIBUS Master to continuously interface with other PROFIBUS slave devices. The unit is also used for configuration of the nodes on the PROFIBUS network. It provides access to both standard as well as extended diagnostic information.

General Parameters

Communication parameters

Baud Rate: 9.6 kbps to 12 Mbps



Up to 125 Slaves

Data I/O

Up to 512 cyclic bytes (256 words) input and 512 bytes (256 words) output data

Command List

Read Diag

Global Cmd

Read Cntrs

Reset Cntrs

Node address

0 to 125 (software selectable)

Status Data

Error codes, counters and port status available per configured slave on the network.


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