Operating Instructions ACU
7.2 Block diagram
Change-over contact, response time approx. 40 ms,
Make contact AC 5 A / 240 V, DC 5 A (ohmic) / 24 V
Break contact AC 3 A / 240 V, DC 1 A (ohmic) / 24 V
Bidirectional, DC 20 V voltage output (I
max
=180 mA) or input for external power supply DC 24 V
±10%
Digital signal, STOA (1st shut-down path for safety function STO – “Safe Torque Off”), response
time: approx. 10 ms (On), 10 μs (Off), U
max
= DC 30 V, 10 mA at DC 24 V, PLC compatible
Digital inputs S2IND ... S6IND
Digital signal: Response time approx. 2 ms, U
max
= DC 30 V, 10 mA at 24 V, PLC compatible,
frequency signal: DC 8...30 V, 10 mA at DC 24 V, f
max
= 150 kHz
Digital signal, STOB (2nd shut-down path for safety function STO – “Safe Torque Off”), response
time: approx. 10 ms (on), 10 μs (off), U
max
= DC 30 V,
10 mA at DC 24 V, PLC compatible
Digital signal, DC 24 V, I
max
= 50 mA, PLC compatible, overload and short-circuit proof
Multifunction Output MFO1
Analog signal: DC 24 V, I
max
= 50 mA, pulse-width modulated, f
PWM
= 116 Hz,
Digital signal: DC 24 V, I
max
= 50 mA, PLC compatible,
Frequency signal: DC 0...24 V, I
max
= 40 mA, f
max
= 150 kHz,
overload and short-circuit proof
Analog signal: Resolution 12 bit, DC 0...10 V (Ri = 70 k), 0…20 mA (Ri = 500 ),
Digital signal: Response time approx. 4 ms, U
max
= DC 30 V, 4 mA at DC 24 V,
PLC compatible
+10 V / 4 mA
MFI1
GND 10 V
6
X210A
+20 V / 180 mA
24 V
S7IND
S4IND
X210B
5
6
7
1
2
3
S3OUT
X10
A
D
5
S3IND
4
S2IND
2
S1IND
7
S5IND
3
1
1
S6IND
GND 20 V
2
4
MFO1
S1OUT
3
+
-
L2 L3L1
X1
V
W
U
Rb1
X2
+
-
Rb2
I
U, I
A
B
C
D
E
F
G
H