PR electronics 5514 - Block Diagrams; 5514 A1 Block Diagram; 5514 A2 Block Diagram

37
BLOCK DIAGRAMS:
36
23
24
21
22
5514A1
*
32
31
43
44
42
41
MUX
CPU
EEPROM
A / D
*
+
-
+
-
4
3
2
PGA
mV
24
V
~
RE 1 RE 2
Relay 2
Relay 2
Relay 1
Relay 1
Accessories: 5914 CJC connector.
Supply
Supply
Or Or
0.2 mA
TC
mV RTD, lin. R
Conn. wire
VAC
230
VAC
115
Only
supply: D
Communication
-
+
T
5514A2
32
31
CPU
EEPROM
A / D
PGA
Vreg.
43
44
41
42
MUX
+
-
V
+
-
mA
+
-
V
10
PTC
5 M 50 k
24
V
~
23
24
21
22
RE 1 RE 2
Supply
Supply
Or Or
VAC
230
VAC
115
Communication
Only
supply: D
V <=
2.5
V >
2.5
Analogue
switch
Loop sup.
> 20 V
2-wire
transm.
Input +
Input gnd.
Input +, > 2.5 V
Relay 2
Relay 2
Relay 1
Relay 1