
with Modbus RTU protocol that is fit-
ted into the top-hat DIN rail.
Devices with option system interface
can be connected via bus coupler to
fieldbusses.
Password protection
If required, unauthorized access to the
various Operating Levels can be pre-
vented with a password, or an entire
level can be blocked.
TECHNICAL DATA
INPUTS
Survey of inputs
Input Purpose
INP1 As INP2 default;
X1 (process value 1), universal input
INP2
(mA DC)
External setpoint, process value X1;
Input for additional limit monitoring
and display
INP2
(mA AC)
(option)
External setpoint, heating current;
Process value X1; Input for additional
limit monitoring and display
INP2
(universal)
(option)
X2 (process value 2), universal input,
external setpoint, Process value X1;
Input for additional limit monitoring
and display
di1 Operation disabled; Reset of stored
alarms; Switchover to 2nd setpoint
SP.2, external setpoint, fixed output
value Y.2, manual operation, controller
‘off’, 2nd process value.
UNIVERSAL INPUT INP1
Resolution: >14 bits
Decimal point: 0 to 3 decimals
Digital input filter: adjustable 0.0...999.9 s
Scanning cycle: 100 ms
Linearization: 15 segments, adaptable with
BlueControl®
Measurement value correction: 2-point or offset
Type: single-ended (except for thermocouples)
Thermocouples (Table 1)
Input resistance: ≥1MΩ
Influence of source resistance: 1 µV/Ω
Input circuit monitor: sensor break, polarity
Cold-junction compensation
•Internal
- additional error: typical ß_ 0.5 K
max. ß+1.2 K
•External: 0 ...100 °C
Break monitoring
Sensor current: ß1µA
Operating sense configurable
Resistance thermometer (Table 2)
Connection technique: 3-wire or
4-wire
(not available if using INP2)
Lead resistance: max. 30 Ω
(for max. end of span)
Input circuit monitoring: break and short circuit
Measurement span
Separated into ranges
Physical measurement range: 0...4,500 Ω
The BlueControl®software enables
the internal characteristic curve for the
KTY 11-6 temperature sensor to be
adapted.
Current and voltage measurement
(Table 3)
Span start and span: anywhere within the
measurement range
Scaling: freely selectable, –1,999...9,999
Input circuit 12.5% below span
monitoring (current): start (2 mA)
2KS45
Thermocouple type Measurement range Error Typical resol.(∅)
L Fe-CuNi (DIN) -100...900°C -148...1,652°F ß2K 0.1 K
J Fe-CuNi -100...1,200°C -148...2,192°F ß2K 0.1 K
K NiCr-Ni -100...1,350°C -148...2,462°F ß2K 0.2 K
N Nicrosil/Nisil -100...1,300°C -148...2,372°F ß2K 0.2 K
S PtRh-Pt 10% 0...1,760°C 32...3,200°F ß2K 0.2 K
R PtRh-Pt 13% 0...1,760°C 32...3,200°F ß2K 0.2 K
T** Cu-CuNi -200...400°C -328...752°F ß2K 0.05 K
C W5%Re-W26%Re 0...2,315°C 32...4,199°F ß3K 0.4 K
D W3%Re-W25%Re 0...2,315°C 32...4,199°F ß3K 0.4 K
E NiCr-CuNi -100...1,000°C -148...1,832°F ß2K 0.1 K
B* PtRh-Pt6% 0(400)...1,820°C 32(752)...3,308°F ß3K 0.3 K
Special -25 … 75 mV ß0.1% 0.01%
* Values apply from 400°C upwards.
**Values apply from -80°C upwards.
Table 1: Thermocouple input
Type Sensor current Measurement range Error Typical resol. (∅)
Pt100***
≤0,25 mA
-200..100(150)°C -328...212(302)°F ß1 K 0.1 K
Pt100 -200...850°C -328...1,562°F ß1 K 0.1 K
Pt1000 -200...850°C -328...1,562°F ß2 K 0.1 K
KTY 11-6* -50...150°C -58...302°F ß2 K 0.1 K
Special* 0...4,500 [** ß0.1% 0.01%
Special* 0...450 [** ß0.1% 0.01%
Poti 0...160 [** ß0.1% 0.01%
Poti 0...450 [** ß0.1% 0.01%
Poti 0...1,600 [** ß0.1% 0.01%
Poti 0...4,500 [** ß0.1% 0.01%
* Default setting is the characteristic for KTY 11-6 (-50...150°C)
** Including lead resistance
*** up to 150°C at reduced lead resistance (max. 160 [)
Table 2: Resistive inputs
Measurement range Input resistance Error Typical resol.(∅)
0...10 Volt ≈110 k[ß0.1 % 0.6 mV
-10...10 Volt ≈110 k[ß0.1 % 1.2 mV
-5...5 Volt ≈110 k[ß0.1 % 0.6 mV
-2,5...115mV* >1M[ß0.1 % 6 µV
-25...1150mV* >1M[ß0.1 % 60 µV
-25...90mV* >1M[ß0.1 % 8 µV
-500...500mV* >1M[ß0.1 % 80µV
-200...200mV* >1M[ß0.1 % 40 µV
0-20 mA 20 Ωß0.1 % 1.5 µA
* For INP1: high-impedance, without break monitoring
for INP2: high impedance, break monitoring always active
Table 3: Current and voltage input