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JULABO LC 6 Programmable Controller User Manual

Page 42

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Electrical connections

42


1

2

3

4

5

6

REG+E-PROG

Programmer input / temperature recorder output (31)

Analog inputs / outputs see page 35

Pin

Signal

1 Voltage output

Channel 1

0 ... 10 V

2 Voltage output

Channel 2

0 ... 10 V

3 GND for outputs

0 V

4 Programmer input

EPROG

0 to 10 V / 0 to 20 mA

5 Current output

Channel 3

0 to 20 mA / 4 to 20 mA

6 GND for Progammer

0 V




1

3

2

4

5

Control output (32)

The

connector may be used for control of JULABO

refrigerated programmable controllers or as output for alarm
messages.

Pin assignment:
Pin

Signal

1

+24 V (I max. current 25 mA)

2

0 V

3

Alarm relay

4

Reserved - do not use!

5 Cooling

pulse


Circuit:

Operation

= relay powered

Alarm

= relay not powered

ALARM


Alarm output (34)

(for external alarm signal)

This potential-free change-over contact is activated in case of
an alarm when pins 2 and 3 are connected.

Switching capacity

max. 30 W / 40 VA

Switching voltage

max. 125 V

/

Switching current

max. 1 A

4

1

3

2

SF

INT

EXT

Socket for temperature sensors (19, 20, 21)

Pin assignment:

Pin

Signal

1

Current+

2

Voltage+

3

Voltage-

4

Current-