3.3.2 Assignment of the terminal strip X2A
2
4
6
8
10 12 14 16 18 20
22
24 26 28 30 32
1
3
5
7
9
11 13 15 17 19
21
23 25 27 29 31
PIN
Name
Description
Specifications
1
0V
Digital mass; Reference potential for digital inputs/out-
puts and U
in
2
U
in
Input external voltage supply
U=24 VDC +20 %/-15 %
I
max
=400 mA
3
0V
like pin 1
4
U
out
Voltage output for the control of the digital inputs
U=24 V ±25 %
I
max
=100 mA
(I
max
=Pin 4+32)
5
RST
Reset
8 digital inputs according to
IEC61131-2 type 1
„0“ = -3…5 VDC
„1“ = 15…30 VDC
Scan time ≤ 2 ms
6
ST
*)
Control release
7
R
Reverse direction of rotation
8
F
Forward direction of rotation
9
I2
Digital input 2
10
I1
Digital input 1
11
I4
Digital input 4
12
I3
Digital input 3
13
O2
Digital output 2
2 digital transistor outputs
PNP
U=24 VDC ±25 %
I
max
=50 mA ohmic load for
O1+O2
max switching frequen-
cy = 250 Hz
14
O1
Digital output 1
15
0V
like pin 1
16
CRF
Reference voltage for setpoint potentiometer
10 VDC +5 %; I
max
=4 mA
17
AN1-
-Analog input 1
adjustable:
0…±10 V (R
i
=55 kΩ)
0…±20 mA (R
i
=250 Ω)
4…20 mA (R
i
=250 Ω)
Resolution: 10 Bit + sign
Scan time ≤ 2 ms
18
AN1+
+Analog input 1
19
AN2-
-Analog input 2
20
AN2+
+Analog input 2
21
COM
Analog mass; Reference potential for analog inputs and
outputs
continued on the next page
20
CONTROL CIRCUIT ANALOG/DIGITAL