Bandit 240 PB Manuel d'installation télécharger pdf (Page 11)

P. 10 - Inputs

Inputs

opto

ground

Schmitt-input

1 K

Aircoil

Scematic display of an input

All inputs are equipped with opto-couplers, which provide care of a perfect separation between

the internal BANDIT electronics and the “outside world”. This way, all unwanted disturbing

signals, caused by lightning, induction or R.F. tensions, are kept outside.

The device, model 240PB , is equipped with 4 inputs. The function is determined by selecting

the desired function trough PC/laptop.

Electrical properties of an input:

- polarised (+ and - signs beneath connectors on

PCB.

- secured for possible polarity reverse and equipped

with RC- and LC- filter.

- an input has to be stable for at least 0.2 seconds

before the new situation is accepted.

- the connected voltage can be either from an external

source or from the 12 V BANDIT supply source

itself [Supply].

- the input current with 12 V is ~ 10 mA each input.

- each input is equipped with a Schmitt-input, after

the opto-coupler. The trigger voltage is approximately

6 V with hysteresis of + and - 1V. This way,

unreliable input voltages are being avoided

as much as possible.

V =

After adjustments: check the voltage over

the inputs.

- Consider < 2 V as no volts.

- Consider > 9 V as 12 V .

Voltages between 2 and 9 V are not normal

and will cause problems sooner or later.

BANDIT 240 PB v.408

Programmable

output n° 2

Programmable

output n° 1

Technical OK

output

Tamperloop

output [Tampout]

Programmable

input n° 3

Programmable

input °. 4

Programmable

input n° 2

Programmable

input n° 1

12 VDC supply

(max. 500 mA)

12 V =

+ + + + + c c cc c c- - - - -

Supply

Xin1 Xin2

Xin3 Xin4

Tmpout

OKoutOKout Xout1 Xout2

X+ X+ X+ X+

com com comnc nc ncnc nc ncno no nono no no

X- X- X- X-

500 mA.

inputs: 12 V = / 10 mA. outputs: maximum 24 V / 1A.

Programmable inputs

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 46 47

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Bandit 240 PB Manuel d'installation Page 11

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