Pin-assignment RS232-
interface (socket)
Pin
Remark
1
not used
2
RXD (Receiving Data)
3
TXD (Transmitting Data)
4
not used
5
ground
6 ... 9
not used
Pin-assignment interface
”ALARMS”
The double throw contacts are dimensioned for the following values:
l
Maximal switchable voltage
30 VDC or 42 VAC *(SELV acc. to
EN60950)
Maximal switchable current 0,5 A
*SELV....low voltage circuit (
s
afety
e
xtra-
l
ow
v
oltage)
Pin
Remark
1
break contact (alarm)
2
base contact (alarm or warning)
3
make contact (warning)
4
REMOTE_2 (programmable input)
5
ground
6
break contact (alarm)
7
make contact (warning)
8
REMOTE_1 (programmable input)
9
+12 V / Ri = 560 Ohm
Putting into operation
IRD 8500/..
Intergrated Receiver Decoder
2 - 11
5
1
9
6
5
1
9
6
REMOTE
3
7
2
ALARM
6
1
2
WARNUNG
wiring of the alarms
