Lumasense-technologies IS 320 Manuel d'utilisateur télécharger pdf (Page 11)

IS 320 • IGA 320 Manual General  11

3 Controls and Installation

3.1 Electrical Installation

The pyrometers are powered by a voltage of 24 V DC (possible range 10 to 30 V, ripple < 0.5 V).

The instrument needs no warm up time and is ready for use immediately. To power the

instrument off again, interrupt the power supply or unplug the electrical connector.

To meet the electromagnetic requirements (EMV), a shielded connecting cable must be used.

The shield of the connecting cable has to be connected only on the pyrometer’s side. On side of

the power supply (switch board) the shield must be open to avoid ground loops.

LumaSense offers connecting cables for order separately; they are not part of standard scope of

delivery (see Chapter 9, Reference Numbers). The LumaSense connecting cable has wires for

power supply, interface, analog output, switch contact and external clearing of the maximum

value storage via contact and an 8 pin connector.

3.1.1 Pin Assignment of the Male Socket on the Back of the Pyrometer

Pin Color Indication

white

+ 24 V power supply

brown

0 V power supply

3 green

+ I

outp.

analog output

4 yellow

– I

outp.

analog output

5 grey

Switches on and off LED targeting light

(via push button) (bridge to +24 V)

blue

switch contact (reference point 0 V)

violet

black

red/blue

A2 (bridge to

)

gray/pink

B2 (bridge to

)

orange

Screen only for cable extension,

don’t connect at the switchboard

3.1.2 Connecting the pyrometer to a PC

The pyrometers are equipped with a serial RS485 interface for connecting to a PC. With RS485,

long transmission distances can be realized and several pyrometers can be connected in a bus

system. If RS485 is not available on the PC, it can be facilitated with an external converter which

converts the RS485 to RS232 or USB for a standard connection to a PC.

Note: When using an RS485  RS232 converter, ensure that the converter is fast

enough to receive the pyrometer’s answer to an instruction of the master. Most of the

commonly used converters are too slow for fast measuring equipment. It is

recommended that customers use the RS485  RS232 converter -7520 (ref. no.

3 852 430) or the RS485  USB converter “USB nano“(ref. no. 3 852 600).

In the case of a slow RS485 connection, it is possible to set a wait time on the pyrometer (e.g. via

the “Test” field of the InfraWin software) which delays the response of a command to the

pyrometer (see also Section 3.1.3, Wait Time tw).

assignment

(side of male

inserts)

Male socket

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 33 34

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Lumasense-technologies IS 320 Manuel d'utilisateur Page 11

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