Setting Up Communication; Serial Interface; Modbus Rtu Module - Samson 3374 Series Mounting And Operating Instructions

Start-up and configuration

7.5 Setting up communication

In the communication level, details and possible settings for the actuator interfaces are dis-
played. Codes of the communication level have an 'A' prefix to identify them.
Activating and setting parameters
Activate the communication level
1. Turn (when the start screen appears) to select Code 23.
Î Code A51 is displayed.
Activating parameters
Î Turn to select the required code.
Setting parameters
1. Press . The reading blinks on the display.
2. Turn until the required setting is reached.
3. Press to confirm the setting.
Exiting the communication level
1. Turn to select the code A00 (ESC).
2. Press to exit communication level.
7.5.1

Serial interface

The RS-232 interface is used for communication with TROVIS-VIEW (SSP protocol) and ready
for use by default.
7.5.2

Modbus RTU module

The electric actuator can be connected to a control station over Modbus and can be config-
ured using TROVIS-VIEW. For this purpose, the actuator with firmware version 3.10 and
higher can be fitted with an RS-485 module. Various communications protocol (SSP or Mod-
bus RTU slave) are used for various functions.
7-10 EB 8331-4 EN