Compact controller ER 2022S and ER 2022SA
1. Introduction
1.2 Intended use
This device is designed for use in an industrial environment as specified in the technical
data. Other uses beyond those defined are not viewed as intended uses.
The device is manufactured in compliance with applicable standards and directives as
well as the applicable safety regulations. Nevertheless, improper use may lead to
personal injury or material damage.
To avoid danger, only use the device:
•
For the intended use
•
When in good order and condition
•
When taking the technical documentation provided into account
Risks resulting from the application may arise, e.g., as the result of missing safety
provisions or wrong settings, even when the device is used properly and as intended
.
1.3 Qualification of personnel
This document contains the necessary information for the intended use of the device to
which it relates.
It is intended for staff with technical qualifications who have been specially trained and
have the appropriate knowledge in the field of automation technology.
The appropriate level of knowledge and the technically fault-free implementation of the
safety information and warnings contained in the technical documentation provided are
prerequisites for risk-free mounting, installation, and startup as well as for ensuring safety
when operating the described modules. Only qualified personnel have the required
specialist knowledge to correctly interpret and implement the safety information and
warnings contained in this document in specific situations.
1.4 Description
The controller contains two four-digit 7-segment displays, two single-character 16-
segment displays, display of the active setpoints, six status indicators, and displays for
the unit, ramp function and manual operation.
Just four keys on the front panel are needed for operation, parameterization, and
configuration. The instruments can be used as 2-state, 3-state, modulating or continuous
controllers. The controller software includes a program or ramp function, parameter set
changeover, two autotuning (self-optimization) procedures, a math and logic module, as
well as 4 limit comparators.
Linearization for the usual transducers is stored, and a customer-specific linearization
table can be programmed.
An RS422/485 or a Profibus-DP interface can be used to integrate the instrument into a
data network.
The electrical connection is made at the back of the instrument, via screw terminals.
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