14 EB 8331-4 EN
Design and principle of operation
3.4 Communication
The Type3374 Electric Actuator has two
communication interfaces:
− Internal serial RS-232 interface for SSP
protocol for conguration using TROVIS-
VIEW.
Î See section7.3
− RS-485 interface (RS-485 module re-
quired) for Modbus-RTU protocol and
SSP protocol for conguration using
TROVIS-VIEW.
Î See section6.3
3.5 Device overview and oper-
ating controls
The operating controls are located under-
neath the housing cover.
To undo the screws on the housing cover, use
a Pozidriv PZ2 screwdriver to get enough
hold on the screw heads.
Note