User Manual

11 Universal controller
11.1 Overview
RMS705B provides 3 controllers with 2 sequential outputs each. The universal
controller can provide control to an absolute variable or differential variable.
Purpos
e
11.1.1 Enable the universal controller
Assign an input to the main controlled variable to enable the universal controller.
Main menu > Commissioning > Extra configuration > Controller 1…3 >
Config
uration
Operating lin
e Range Factory setting
Main controlled variable ---, N.X1, N.X2, ..., internal analog
(analog values).
---
Differential input ---, N.X1, N.X2, ..., internal analog
(analog values).
---
The following settings are required depending on the desired function:
Desired control Operating line Setting
Control to an absolute variable
(1 sensor input)
Main controlled variable
Differential input
Xx (analog)
---
Control to a differential variable
(2 sensor inputs)
Main controlled variable
Differential input
Xx (analog)
Xx (same unit as main controlled variable)
The controller always uses the same unit as the main controlled variable.
Misconfiguration has the following effect:
Operating line Setting Type of action
Main controlled variable
Differential input
---
(not relevant)
Controller inactive.
---
Main controlled variable
Differential input
Xx (digital)
(not relevant)
Message sent:
"[Main contr var 1] sensor error"
Main controlled variable
Differential input
Xx (analog)
Xx (other unit as main controlled variable)
Message sent:
"[Main contr var 1] sensor error"
165 / 216
Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Universal controller 01.04.2010