SAUTER
flexotron®400 - RDT405
Installation and wiring
P100012100
9
4
Installation and wiring
4.1 Installation
The controller flexotron®400 must be mounted in a DIN-standard casing
(minimum 7 modules) or in a cabinet, either on a DIN-rail or, using the two screw-
pockets provided, by being screwed to any suitable flat surface in the cabinet.
The controller can also be mounted in a cabinet door or other control panel,
using a suitable front-mounting kit.
Ambient temperature: 0…50°C.
Ambient humidity: max. 95 %RH, non-condensing.
4.2 Wiring
This section only describes general rules and technical limitations concerning the
wiring.
In chapter 5 there are specific wiring diagrams for the different control modes.
Choose the one suitable for the application on hand.
It is important to make sure that the wiring is correctly done, in accordance with
the instructions given in this manual and in accordance with local legislation for
this type of installation.
Terminal
Designation Operation
-
LS
Supply voltage 24V~
-
MM
-
2
DI+
Reference for DI1
3
DI1
Digital input
4
UI+
Reference for UI1 digital mode
5
UI1
0…10V= or digital input
6
Ref. for AI1 and UI1 analogue
7
AI1
Ni1000 temp. sensor input
10
SPI
Input Ni1000 setpoint device
11
AO2
0…10V= Output
12
AO1
0…10V= Output
13
Ref. for AO1 and AO2
4.2.1
Supply voltage
24 V ~
±15%, 50…60 Hz. 3 VA
If the RDT405 and active sensors and actuators connected to it share
transformer, it is essential that the same transformer-pole is used as reference
for all the equipment. Failure to do so will prevent the equipment from
functioning as intended and may also lead to damages.
4.2.2
Inputs and outputs
All ground terminals are interconnected and also connected to MM.
