Number of Class 3 Server Connections

5

Supported PLC Types

PLC2, PLC5, SLC, CLX, CMPLX

Supported Message Types

PCCC and CIP

Number of Class 3 Client Connections

Connected
Unconnected

2
1

Number of Class 1 I/O Connections

PLX31-EIP-MBTCP/MBS
PLX31-EIP-MBS4
PLX31-EIP-ASCII
PLX31-EIP-ASCII4
PLX31-EIP-SIE

2
8
1
4
2

I/O connection sizes

248/248

Max RPI time

5ms per connection

CIP Services Supported

0x4C - CIP Data Table Read
0x4D - CIP Data Table Write

Command List

Support for 100 commands per Client, each configurable for command type, IP address, register to/from addressing and word/bit count.

Command Sets

PLC-2/PLC-3/PLC5 Basic Command Set
PLC5 Binary Command Set
PLC5 ASCII Command Set
SLC500 Command Set

Supported Modbus Function Codes

1: Read Coil Status
2: Read Input Status
3: Read Holding Registers
4: Read Input Registers
5: Force (Write) Single Coil
6: Preset (Write) Single Holding Register

15: Force (Write) Multiple Coils
16: Preset (Write) Multiple Holding Registers
22: Mask Write Holding Register (Slave Only)
23: Read/Write Holding Registers (Slave Only)

Supported Clients

10

Supported Servers

MBAP
Encapsulated

5
5

Command List

Up to 160 fully configurable Client commands

Status Data

Error codes reported individually for each command

Command List Polling

Each command can be individually enabled or disabled; write-only-on-data-change is available

Command List

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

Supported Modbus Function Codes

1: Read Coil Status
2: Read Input Status
3: Read Holding Registers
4: Read Input Registers
5: Force (Write) Single Coil
6: Preset (Write) Single Holding Register

15: Force (Write) Multiple Coils
16: Preset (Write) Multiple Holding Registers
22: Mask Write Holding Register (Slave Only)
23: Read/Write Holding Registers (Slave Only)

Software configurable communication parameters

Baud rate: 110 baud to 115.2 kbps Parity: None, Even, Odd Data Size: 7 or 8 bits Stop bits: 1 or 2 RTS on/off delay: 0 to 65535 milliseconds
Modbus Modes RTU mode (binary) with CRC-16ASCII mode with LRC error checking, Floating point data movement supported including configurable support for Enron and Daniel implementations

Polling of Command List

Configurable polling of command list, including continuous and on change of data, and dynamically user or automatic enabled.

Status Data

Error codes available on an individual command basis. In addition, a slave status list is maintained per active Modbus Master port.

Node Address

1 to 247 (software selectable)

RS Interface

RS232, RS422, and RS485

Ports Available in up to four port configurations to receive and/or transmit data

Transmit and Receive Buffer Size

255 byte Transmit character length with 0 to 65535 millisecond delay between each transmitted character

Specification

Description

Supported PLC Data Exchange (Read and Write)

Siemens S7-200, Siemens S7-300, Siemens S7-400,
Siemens S7-1200

Supported Register Types

DB, Inputs, Outputs, Flags, Counters, Timers

Supported Clients

20

ASCII Specifications

Ports

Available in up to four port configurations to receive and/or transmit data.

Transmit and Receive buffer size

255 bytes each

Transmit character with pacing

0 to 65535 millisecond delay between each transmitted character.