Electrical installation
4.2 Terminal description
SINAMICS V20 Inverter
Operating Instructions, 07/2012, A5E03728167
25
User terminals
9
$,
$2
9
3
$,
1
',
',
',
',&
9
',
9
'2
'2
1&
'2
12
'2
&
'2
No.
Terminal
marking
Description
1
10V
10 V output (tolerance ± 5 %) referred to 0V, maximum 11 mA, short circuit protected
Mode:
AI1: Single-ended, bipolar current and voltage
mode
AI2: Single-ended, unipolar current and voltage
mode
Isolation to control circuit:
None
Voltage range:
AI1: -10 ... 10 V; AI2: 0 ... 10 V
Current range:
0 ... 20 mA (4 ... 20 mA software selectable)
Voltage mode accuracy:
± 5 % full scale
Current mode accuracy:
± 5 % full scale
Input impedance:
Voltage mode: > 30 K
Current mode: 235 R
Resolution:
10-bit
Wire break detect:
Yes
Threshold 0 ⇒ 1 (used as DIN):
4.0 V
Threshold 1 ⇒ 0 (used as DIN):
1.6 V
Analog
inputs
2
3
AI1
AI2
Response time (digital input mode): 4 ms ± 4 ms
Mode:
Single-ended, unipolar current mode
Isolation to control circuit:
None
Current range:
0 ... 20 mA (4 ... 20 mA - software selectable)
Accuracy (0 ... 20 mA):
± 1 mA
Analog
output
4
AO1
Output capability:
20 mA into 500 R
5
0V
Overall reference potential for RS485 communication and analog inputs / output
6
P+
RS485 P +
7
N-
RS485 N -
Mode:
PNP (reference terminal low)
NPN (reference terminal high)
Characteristics values are inverted for NPN
mode.
Isolation to control circuit:
100 V DC (functional low voltage)
Absolute maximum voltage:
± 35 V for 500 ms every 50 seconds
Operating voltage:
- 3 V ... 30 V
Threshold 0 ⇒ 1 (maximum):
11 V
Threshold 1 ⇒ 0 (minimum):
5 V
Input current (guaranteed off):
0.6 ... 2 mA
Input current (maximum on):
15 mA
Digital
inputs
8
9
10
11
12
DI1
DI2
DI3
DI4
DI C
2-wire Bero compatibility:
No
