Additional module FCXI:
with 2 binary inputs and active
analogue input (measuring transmitter supply)
21
Analogue current input plus
22
Analogue current input minus
81
Binary input 1 plus
82
Binary input 1 minus
83
Binary input 2 plus
84
Binary input 2 minus
Function of the binary inputs: see chapter 6.8.
21
22
81
82
83
84
mA
Input 1
Input 2
fcxicon.cdr
Analogue input
Fig. 4.20
Connection of
module FCXI
ASX_FCXI.EPS
Parallel connection of the two input circuits (Terminals 81/82 and 83/84)
to only one intrinsically safe circuit is also permissible
External switch 1
External switch 2
Intrinsically safe ia / ib circuit 1:
Voltage supply:
U
0
= 4 ... 30 V
Current consumption:
@ 30 V, max. 100 mA
Intrinsically safe ia / ib circuit:
4 - 20 mA,
Maximum load 500
Ω
Intrinsically safe ia / ib circuit 2:
Voltage supply:
U
0
= 4 ... 30 V
Current consumption:
@ 30 V, max. 100 mA
Ci,max = 15 nF
Li,max = 53
µ
H
Ci,max = 15 nF
Li,max = 53
µ
H
U
0
,max = 22.0 V
I
0
,max = 50 mA
P
a
,max = 640 mW
113
Ω
Ca,max = 40 nF
La,max = 440
µ
H
+
–
Fig. 4.21
External wiring of the
input circuits on
module FCXI
+
–
Installation
mycom CPM 152
16
Hauser
