INFICON IO1000 I/O module - Manual (Page 8)

8
Description
4 Description
4.1 Construction of the I/O module
PLC IN a
Digital inputs
Galvanic isolation (max. 60 V DC, 25 V VAC against GND)
Max. permissible input voltage: U = 35 V
Active signal: U = 13 ... 35 V (typically 24 V), I = approx. 7 mA
Inactive signal: U < 7 V (typically 0 V), I = 0 mA
Pin assignment: The input pins PLC-IN 1 to PLC-IN 10 can be configured freely, see
the following example.
Fig. 1 Front view
a PLC IN, digital inputs
b RS232
c Status LED
d ANALOG OUT, analog outputs
e PLC OUT, digital outputs
f DIP switch cover and fuse
g LD, connection of leak detector
h ANALOG IN, analog inputs
i RS485
j 24 V OUT, 24 volt output
a
b
c
d
e f
g
h
j
i
24 V
OUT
RS485 ANALOG
IN
PLC IN
LD RS232 STATUS
S1 FUSE
ANALOG
OUT
S2
PLC OUT
IO1000