General Specifications
Backward compatible with previous MVI56-MNETC versions
Single-slot 1756 ControlLogix backplane compatible
10/100 Mbps auto crossover detection Ethernet configuration and application port
User-definable module data memory mapping of up to 10,000 16-bit registers
CIPconnect-enabled network configuration and diagnostics monitoring using
ControlLogix 1756-ENxT and 1756-CNB modules
ProSoft Configuration Builder (PCB) software supported, a Windows-based
graphical user interface providing simple product and network configuration
Sample ladder logic and Add-On Instructions (AOI) are used for data transfer
between module and processor
4-character, alpha-numeric, scrolling LED display of status and diagnostics data in
plain English
– no cryptic error or alarm codes to decipher
ProSoft Discovery Service (PDS) software used to locate the module on the
network and assign temporary IP address
Personality Module - a non-volatile industrial-grade Compact Flash (CF) card used
to store network and module configuration for easy disaster recovery, allowing
quick in-the-field product replacement by transferring the CF card
Modbus TCP/IP Specifications
ProSoft Technology’s Modbus TCP/IP implementation (MNETC) includes both
client (master) and server (slave) capabilities
Modbus TCP/IP Server (Slave)
Supports ten independent server connections for Service Port 502 (MBAP)
Supports ten independent server connections for Service Port 2000 (Encapsulated)
Accepts Modbus Function Codes 1, 2, 3, 4, 5, 6, 8, 15, 16, 17, 22 and 23
Module data can be derived from other Modbus server devices on the network
through the Client or from the ControlLogix processor
Modbus TCP/IP Client (Master)
Offers 30 Client connections with up to 16 commands each to talk to multiple
servers
Actively reads data from and writes data to Modbus TCP/IP devices, using MBAP
or Encapsulated Modbus message formats
Transmits Modbus Function Codes 1, 2, 3, 4, 5, 6, 7, 15, and 16
ControlLogix processor can be programmed to use special functions to control the
activity on the Client by actively selecting commands to execute from the command
list (Command Control) or by issuing commands directly from the ladder logic
(Event Commands)
Status Data
Error codes, counters, and module status available from module memory through
the server, through the Client, or through the ladder logic and controller tags in
RSLogix™ 5000
Functional Specifications
Modbus data types overlap in the module's memory database, so the same data
can be conveniently read or written as bit-level or register-level data.
Configurable floating-point data movement is supported, including support for
Enron or Daniel® floating-point formats
Special functions (Event Commands, Command Control, status, etc.) are supported
by message transfer (unscheduled) using the MSG instruction
Configurable parameters for the Client including a minimum response delay of 0 to
65535 ms and floating-point support
ControlLogix™
Modbus TCP/IP Integration
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