Chromalox 1603 User Manual download pdf (Page 34)

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7.47.4

7.4

OUTSOUTS

OUTS

OUT 1 (Heating):OUT 1 (Heating):

OUT 1 (Heating):

Relay out with SPDT contact;

a) Out contact 3A / 250 V AC on resistive load.

b) Logic voltage for solid state relay command.

Logic state 1:24 Vdc +20% @ 1mA,

14V +20% @20 mA

Logic state 0: <0.5V

OUT 2 (Cooling or alarm 1)OUT 2 (Cooling or alarm 1)

OUT 2 (Cooling or alarm 1)

Relay out with SPST contact;

Out contact 2A/250V AC on resistive load.

OUT 3 (alarm 2)OUT 3 (alarm 2)

OUT 3 (alarm 2)

Relay out with SPST contact;

Out contact 2A/250V AC on resistive load.

NOTENOTE

NOTE: the "OUT 3" and the "logic input" options

are mutually exclusive.

7.57.5

7.5

CPI – CONFIGURATION PORTCPI – CONFIGURATION PORT

CPI – CONFIGURATION PORT

INTERFACEINTERFACE

INTERFACE

The instrument has a lateral socket into which a

special five-pin connector can be inserted. This

connector, supplied as an option together with its

interface, can connect to the RS232 port of a

normal PC on which the management software

must be installed.

By means of the software the configuration can be

managed directly from the PC. In this case the

instrument display and keypad are not operative.

8.8.

MAINTENANCEMAINTENANCE

MAINTENANCE

WARNING WARNING

WARNING

Electric shock HazardElectric shock Hazard

Electric shock Hazard

Disconnect all power before servicing controller.

Failure to do so could result in personal injury or

property damage.

1) SWITCH THE EQUIPMENT OFF (power supply,

relay out, etc.).

2) Take the instrument out of it case.

3) Using a vacuum cleaner or a compressed air jet

(max. 3 kg/cm

) remove all deposits of dust and

dirt which may be present on the louvers and on

the internal circuits being careful not to damage

the electronic components.

4) To clean external plastic or rubber parts use

only a cloth moistened with:

- Ethyl Alcohol (pure or denatured) [C

OH] or

- Isopropyl Alcohol (pure or denatured)

[(CH

)

CHOH] or

- Water (H

O).

5) Make sure that there are no loose terminals.

6) Before putting the instrument back in its case,

make sure that it is perfectly dry.

7) Put the instrument back and turn it ON.

CPI connection socket

1601-03-1-CX.pmd 13/01/2004, 10.4328

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Chromalox 1603 User Manual Page 34

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