1. Introduction
105204
– WTS-300-E - V4.1 - 20.01.2022
Page 9
1.9 Technical data of control unit
Operating voltage
230V AC +/-10%, 50/60 Hz
Relay contact
12 performance relays
expandable by 6 relays*
max. switching current
6 x each 6A AC1 - 250V AC
4 x each 10A AC1 - 250V AC
2 x each 12A AC1 - 250V AC
max. current per terminal
12A - 250V AC
max. switching voltage
250V AC - 50..60 Hz
Display
13 mm LED-Display, 4 digits
Display range
-999 .. 9999
LED switching status displays
3 mm LED
Number of sensor inputs
1 or 2
Measurement range
-5° .. +95°C
Temperature resolution
0,1°C
Sensor input
for KTY 81-210 (optionally PT-100)
Control mode
two-step controller
Hysteresis*
0,1 K .. 99,9 K ((standard adjusting 0.7 K)
Water detection
via 2 independent level monitors
Target temperature T1*
Target temperature T2*
standard adjusting 8°C
standard adjusting 4°C
Digital inputs
8 (via optocoupler)
expandable by 5 digital inputs*
Interface
2x RS-485
Supply ext. pressure sensor
12V +/-3V max. 40 mA
Connection
Plug-in screw connections
for cables up to 2.5 mm²
Housing
- Front dimension
- Front panel cut out
- Insertion depth
177 x 106 mm
157 x 97 mm
45 mm
Protection
- Housing front
- Rear
The control is open on the rear, as it is de-
signed for installation in a closed housing IP 64
IP 00
IP 20
Electrical safety
Protection class II,
Overvoltage category III, pollution degree I
Environment specifications:
- Operation temperature
- Storage temperature
- max. humidity 75% (no dew)
0° .. +50°C
-20° .. +70°C
75% (no dew)
Technical data subject to change.
* via I/O expansion module ESIO-001
