PR electronics 5714 - Connections Overview; Block Diagram

+
-
+
-
+
-
Tx
+
-
31 32
41 42 43 44 45 4641 42 43 44 45 4641 42 43 44 45 46
41 42 43 44 45 46 41 42 43 44 45 46 41 42 43 44 45 46
41 42 43 44 45 46 41 42 43 44 45 46
+
-
mA
11 12
R2
R1
21 22 23 24 25 26
I+ Gnd.
11 12 31 32
CPU
AD
EEPROM
0.2 mA
PTC
20 Ω
5714
1 2 3 4
46 45 44 43 42 41
TC+V
4 3 2
21 22 23 24 25 26
R1 R2
1
3
2
Tx
+
+
+
mA
36
37
CONNECTIONS
RTD,2-wire RTD,3-wire RTD,4-wire
PotentiometerVoltage
TC 2-wiretransmitter Current
Current Relays
Inputs:
Output:
Supply:
I
Output
Common Relay 1 N.O. Relay 1 N.C. Common Relay 2 N.O. Relay 2 N.C. Supply Supply 21.6...253 VAC
or
19.2...300 VDC
Version D
Int. CJC
2-wiresupply
> 15 VDC
Input +,
mA
Input gnd.
RTD,
wires
Potm.
BLOCK DIAGRAM
Readoutathardwareerror
Error search Readout Error cause
Test of internal communication uC / ADC HW.ER Permanent error in ADC
Test of internal CJC sensor CJ.ER CJC sensor defect
Check-sum test of the configuration in RAM RA.ER Error in RAM
Check-sum test of the configuration in EEPROM EE.ER Error in EEPROM
! Error indications in the display blink once a second. The help text explains the error.