Endress+Hauser RIA 550 Manual De Utilización página 37

Technical data
Loop power supply
Number: 1
Output voltage: 24 VDC + 10 %
Output current: 25 mA max. (internally limited short
circuit protection)
Limit / alarm relays
Number of relays: 4
Limit outputs: per set point 1 potential free relay
contact (changeover) 3 A, 250 V AC, Insulation group
A to VDE 0110
Safety
To IEC 1010-1/EN 61010-1 protection class I;
Over voltage protection category II;
max. allowable soiling II.
OPTIONS
Multifunction input
Voltage inputs: bipolar
+ 20 mV, + 50 mV, + 100 mV, + 200 mV
+ 1 V, + 2 V, + 5 V, + 10 V; Ri = 1 MOhm
Current inputs:
0/4..20 mA; Ri = 50 Ohm
Thermocouple:
Type L
Type U
Type B
Type S
Type R
Type K
Type J
Type T
Type N
Cable open cicuit is monitored.
Comparison values: Internal; Accuracy + 5 K
+ 1° C/10 K ambient temperature change.
RTD inputs:
Ni100 -
Pt100 -
Pt500 -
Pt1000
-200....+900° C
-200....+600° C
0...+1820° C
0...+1800° C
-50...+1800° C
-200...+1372° C
-210...+1200° C
-270.....+400° C
-270...+1300° C
60..+180°C
100..+600° C
100..+600° C
100..+600° C
Process display
35