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Control input di1 (reset), Outputs relay outputs lc, out2, Out3 as universal output (option) – West Control Solutions TB 45 Temperature Monitor User Manual

Page 48

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Technical data

48

TB 45

CONTROL INPUT DI1 (RESET)

Configurable as direct or inverse switch or push button!

Contact input

Connection of potential-free contact that is suitable for switching
‘dry’ circuits.

Switched voltage:

5 V

Switched current:

1 mA

Optocoupler input

Actively switched optocoupler input

Nominal voltage:

24 V DC external

Logic ”0”:

-3 V…+5 V

Logic ”1”:

15 V…30 V

Current demand:

max. 6 mA

OUTPUTS

RELAY OUTPUTS LC, OUT2

Type:

2 NO contacts with a common terminal

Max. contact rating:

500 VA, 250 VAC, 2A at 48...62 Hz,
resistive load

Min. contact rating:

6V, 1 mA DC

Switching cycles

(electrical):

for I=1A/2A: ?

800.000/500.000 (at

250VAC, resistive load)

Note:

If the relays LC and OUT2 operate external contactors, these must
be fitted with RC snubber circuits to manufacturer specifications
to prevent excessive voltage peaks at switch-off.

OUT3 AS UNIVERSAL OUTPUT (OPTION)

Galvanically isolated from the inputs. Parallel current/voltage
output with common ‘minus’ terminal (combined use only in
galvanically isolated circuits).

Freely scalable
Resolution:

14 bits

Dynamic response (step change of
input signal) T

90

:

Output follows the input:

ß

540 ms

Tracking error I/U

:

ß

2 %

Residual ripple: (referred to end of
span)

ß_1%
0...130 kHz

Current output

0/4...20 mA, configurable

short-circuit proof

Control range:

-0,5...23 mA

Load:

ß 700 [

Type

Sensor current

Measuring range

Accuracy

Resolution (Ô)

Pt100***

ß 0,25 mA

-200...100 (150) °C

-328...212°F

ß 1 K

0,1 K

0,1 K

0,1 K

Pt100

-200...850°C

-328...1562°F

ß 1 K

Pt1000

-200...850°C

-328...1562°F

ß 2 K

KTY 11-6*

-50...150°C

-58...302°F

ß 2 K

0,1 K

Special

*

0...4500 [**

Я 0,1 %
Я 0,1 %
Я 0,1 %
Я 0,1 %
Я 0,1 %

0,01 %
0,01 %
0,01 %
0,01 %
0,01 %

Special

0...450 [**

Poti

0...160 [**

Poti

0...450 [**

Poti

0...1600 [**

Poti

0...4500 [**

* Default setting is the characteristic for KTY 11-6 (-50...150°C)
** Including lead resistance
*** Up to 150°C with reduced lead resistance (max. 160

[ total)

Table 2: Resistive inputs

Measurement range

Input resistance

Accuracy

Typical resolution

0...20 mA

20 [

ß 0,1 %

1,5

mA

0...10 V

» 110 k[

ß 0,1 %

0,6 mV

-10...10 V

» 110 k[

ß 0,1 %

1,2 mV

-5...5 V

» 110 k[

ß 0,1 %

0,6 mV

-2,5...115 mV*

> 1 M[

ß 0,1 %

6,0

mV

-25...1150 mV*

> 1 M[

ß 0,1 %

60,0

mV

-25...90 mV*

> 1 M[

ß 0,1 %

8,0

mV

-500...500 mV*

> 1 M[

ß 0,1 %

80,0

mV

-200...200 mV*

> 1 M[

ß 0,1 %

40,0 mV

* For INP1: high-impedance, without break monitoring

Table 3: Current and voltage input