Installation manual

Option terminals

Terminal Function Electrical characteristics

+24 Logic input power supply Switch SW4 in Source or Sink Int position

•+24 V c output (min. 21 V, max. 27 V), protected against short-circuits and overloads

• Max. current available for customers 200 mA (This current corresponds to the total

consumption on the control card +24 and the option cards +24)

Switch SW4 in Sink Ext position

• Input for external +24 V c power supply for the logic inputs

LI11

LI12

LI13

LI14

Programmable logic inputs • +24 V c (max. 30 V)

• Impedance 3.5 kΩ

• Reaction time: 5 ms ± 1 ms

0V Logic input common 0 V

TH2 +

TH2 -

PTC probe input • Trip threshold 3 kΩ, reset threshold 1.8 kΩ

• Short-circuit detection threshold < 50Ω

RP Frequency input • Frequency range: 0…30 kHz

• Cyclic ratio: 50% ± 10%

• Maximum sampling time: 5 ms ± 1 ms

• Maximum input voltage 30 V, 15 mA

• Add a resistor if the input voltage is greater than 5 V (510 Ω for 12 V,

910 Ω for 15 V, 1.3 kΩ for 24 V)

• State 0 if < 1.2 V, state 1 if > 3.5 V

LO3

LO4

Open collector programmable logic

outputs

•+24 V c (max. 30 V)

• Max. current 20 mA for internal power supply and 200 mA for external power supply

• Reaction time 5 ms ± 1 ms

CLO Logic output common

0V 0 V 0 V

Switch SW4 State 0 State 1

Source (factory setting) < 5 V c > 11 V c

Sink Int or Sink Ext > 16 V c < 10 V c