Operating instructions ResistTel IP4/IP162
03/22
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button. The transmitting diode of the opto-coupler, which is connected in series, then transmits the
switching state of the button galvanically isolated into the electronics.
22,8 VDC ≤ VB ≤ 57,0 VDC
IB ≤ 10,0 mADC
R
ICL
= 22 kΩ
2.3.4
Headset Connection
The headset must be connected to terminals 1-4 of the X100 terminal block located in the connection
chamber. Pay attention to the correct polarity of the microphone, whose positive connection is to be
connected to terminal 3.
The colors indicated are the wire colors of the connection cable of our headset FHF11264304; the ends
of the unused wires (grey and pink) of this connecting line shall be insulated with a piece of insulating
tape or, if necessary, cut off.
e.g. Headset FHF11264304
2.3.5
Output contact relay-onboard
Equipment to be switched on/off must be connected to terminals 5 and 6 of the X100 terminal block
located in the connection chamber. The normally open of the Photo Relay Onboard can switch DC and
AC loads in the specified load range.
AC: V
switch
≤ 30 VAC /
I
switch
≤ 1,0 AAC
S
switch
≤ 15 VA
DC: V
switch
≤ 60 VDC /
I
switch
≤ 1,0 ADC
P
switch
≤ 15 W
Attention!
- The permissible load currents of the output contacts are voltage-dependent. Calculate their max-
imum values as indicated below by forming the quotient of switching power P
switch
and switching
voltage V
switch
. In addition, the result must not exceed the specified maximum value of the switch-
ing current I
switch
.
AC: I
LoadMax
= S
switch
/ V
switch
= 15VA / 24 V = 0.626 A
I
LoadMax
≤ I
switchMax
!
DC: I
LoadMax
= P
switch
/ V
switch
= 15W / 48 V = 0.312 A
I
LoadMax
≤ I
switchMax
!
2.3.6
External power supply DCPower
The external DC power supply shall be connected to terminals 7 and 8 of the X100 terminal block located
in the connection chamber.
