Endress+Hauser RMA 422, Руководство по эксплуатации

Страница: 72 / 150

Output Number max. 2
Fault condition 3.5 mA or 22 mA presettable
Effect to NAMUR recommendation NE43
Response time max. 200 ms (input signal from 10% to 90% FSD)
D/A resolution Current: 13 bit, Voltage: 13 bit
Number max. 2
Galvan. isolation To all other current circuits
Relays
Output signal Binary, switches on reaching a preset alarm set point value
Number 2
Contact type 1 potential free changeover contact (SPDT)
Contact loading <= 250 V
AC
, 5 A / 30 V
DC
, 5 A
Alarm set point function
Operating mode Off, min-, Maximum safety, gradient, alarm
Switch threshold - 19999 to + 99999
Hysteresis - 19999 to + 99999
Time delay 0s to 99s
Signal source Input 1, input 2, mathematics process value
Number 2
Display 1 yellow LED per set point, optional symbol in LC display
Scan rate 100 ms
Mathematics function
Operator Addition/subtraction/multiplication
Factor 1/2 -19999 to +99999, 0 to 4 decimal points
Input 1/2 Dependent on selected input values
Offset -19999 to +99999, 0 to 4 decimal points
Power supply Power supply 90...250 V
AC
50/60 Hz
18...36 V
DC
, 20...28 V
AC
50/60 Hz
Power
consumption 11 VA
Fuse 315 mA, slow blow (90...250 V) 630 mA, slow blow (20...28 V)
Accuracy Current Accuracy: 0.1 % FSD
Temperature drift: 0.05 % / 10 K ambient temperature
Analogue output Accuracy: 0.1 % FSD
Temperature drift: 0.05 % / 10 K ambient temperature
Process transmitter
70