PR PRetrans 5131, Manual

Page: 34 / 68

32
BlOCK DIAGRAM
D
/ A
54
MU
X
CP
U
EE
PROM
A
/ D
PG
A
CH
1 CH
2
mA
51
+ -
V
+ -
+ -
V
PT
C
50
k
0,
2
mA
513
1 513
1
V
+
43 44 42 41
*
+ -
+ -
4
3
2
mV
5
M
1 2
JP
1
10
Ω
V
+
V
+
V
+
JP
2
MU
X
A
/ D
PGA
PT
C
50
k
0,
2
mA
1 2
10
Ω
13 12
11
A A
C
omm
.
4
mA
CP
U
EEPROM
23 22
21
A A
D
/ A
Comm.
4
mA
4
...2
0
mA
4...
20
mA
0.
..16
mA
0.
..
16
mA
53
5
M
52
Inpu
t +
Inpu
t +,
>
2.
5
V
Channel
2
Channel
1
mV
TC
Front
comm.
Front
comm.
RT
D
an
d
lin
. R
Conn.
wire
Inpu
t gnd.
Analogue switch Analogue switch
*
Accessories:
5910
CJC
connector
CH
1,
5913
CJC
c
onnector
CH
2.
Supply
+
Supply
+
Supply
-
Supply
-
Te
st
Te
st
Channel
1
show
n
as
a
temperatur
e
input
:
!!
If
channe
l 2,
us
e
terminal
no
. 54...5
1
!!
If
channe
l 1,
us
e
terminal
no
. 44...4
1
Channel
2
show
n
as
a
curren
t /
voltage
input:
V
>
2.5
V
<=
2.5
Ex barrier, only 5131B Ex barrier, only 5131B