Siemens 3RB22 Mode D'emploi page 34

Technical Data
Optional
Analog output
24 mA
20 mA
16.8 mA
16 mA
12 mA
8 mA
4 mA
0 mA
0%xI 20%xI
e
Example: I
Technical data
24
Electronic overload relay with analog output (function expansion
module 3RB2985-2AA0, -2AB1 and -2AA1, refer to Fig. IV).
4 to 20 mA
1% x I = 0.128 mA
e
I/I [%]
e
I [A] = (I
motor
I [mA] = I
out
40%xI 60%xI
e
e e
= 10.40 mA; I
out e
I = 50% of I
e
I = 3 A
motor
Max. output current
Terminals
max. burden
Accuracy
Short-circuit-proof and resistant to no-load operation!
= (I – 4 mA) / 0,128 mA
out
– 4 mA) x I
out
x 12,8 mA / I
motor
80%xI 100%xI
e
= 6.0 A
20 mA
I(+) and I(-)
100 Ω
+/– 10 %
/ 12,8 mA
e
+ 4 mA
e
e
3ZX1012-0RB22-1AA1