PR 5715 - Internal Block Diagram

I+
21 22 23 11 12 31 32 24 25 26 61 62 63 64 65 66
CPU
AD
EEPROM
PTC
20 Ω
5715
1 2 3 4
46 45 44 43 42 41
TC+V
4 3 2
R1 R2 R3 R4
1
3
2
Tx
+
+
+
mA
5715V102-UK 15
BLOCK DIAGRAM
I
Output
Common Relay 1 N.O. Relay 1 N.C. Common Relay 2 N.O. Relay 2 N.C. Common Relay 3 N.O. Relay 3 N.C. Common Relay 4 N.O. Relay 4 N.C. Supply Supply 21.6...253 VAC
or
19.2...300 VDC
Version D
0.2 mA
Int. CJC
2-wire supply
> 15 VDC
Input +,
mA
Input gnd.
RTD & Lin R
wires
Potm.
PC communication
Gnd.