Manual: R4000-XX-X-000-X-X_EN
Release: 1.20
©Elotech GmbH
Seite 45 / 48
7
Technical Data
Input Pt100 (DIN)
2- or 3- wire connection possible
Built-in protection against sensor breakage and short circuit
Sensor current: … < 1 mA
Accuracy: … < 0,2 % Linear error: … < 0,2 %
Influence of the ambient temperature: … < 0,01 % / K
Input Thermocouple
Built-in internal compensation point and protection against sensor
breakage and incorrect polarity.
Accuracy: … < 0,25 % Linear error: … < 0,2 %
Cold junction error: 0,5K
Influence of the ambient temperature: … < 0,01 % /
Input voltage 0…10V
Internal resistance > 100 k-Ohm
Accuracy: < 0,25 % Linearity error: < 0,2 %
Ambient temperature influence: < 0,01 % / K
Input current 0…20mA Internal resistance < 100 Ohm
Accuracy: < 0,25 % Linearity error: < 0,2 %
Ambient temperature influence: < 0,01 % / K
!
The input has high impedance when the controller is without sup-
ply voltage.
Logic input
Internal resistance > 22k-Ohm
Level 0 < 2V
Level 1 > 9V; max 30V
Heater current moni-
toring
Measuring input range: 0… 100mA corresponding 0,0…99,9A when
using a current transformer 1: 1000.
If the range is exceeded, the controller may be damaged.
Logic outputs
Bist. voltage, 0/24 V DC, max. 500 mA, short-circuit proof
Relay outputs/
Alarm outputs
Relay; max. 250V AC, max. 2A, resistive load
Continuous outputs
0…20 mA maximal load 300 Ohm; 0…10V minimal Load 5kOhm.
Automatic switching, depending on connected load.
Fieldbus Interface:
Depends on the version of the device:
- Serial: RS232, RS485, TTY (20mA)
- Profibus DP, according to EN 50170
All with optical isolation.
Service-Interface
Ethernet: Modbus TCP
USB-Interface
Host for USB-Stick; max. 100mA
Supply voltage
24 V DC, +/-25 %, appr. 6W + Power of logic outputs
LCD-Display
8,8 cm (3,5“) RGB-display with LED-backlight.
320 x 240 pixel with resistive Touch-Panel
Data protection
EAROM, Semiconductor storage
When using a Fieldbus interface please note: Permissible writing
operations per parameter must not exceed 1 000 000.
