Connecting
6.9 Assignment of terminals and connectors
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
177
Terminals on the Connector Board
Also refer to "Inputs/Outputs" in the section titled "Descriptions of functions".
Table 6- 36 Assignment, terminal X177
Terminal
X177
Function
Technical specifications
Analog inputs (assignable inputs)
1
2
AI 3 +
AI 3 -
Analog input 3
Input type (signal type):
Differential input ±10 V; 150 k
Ω
Resolution approx. 5.4 mV (±11 bits)
Common-mode controllability: ±15 V
3
4
AI 4 +
AI 4 -
Analog input 4
5
6
AI 5 +
AI 5 -
Analog input 5
7
8
AI 6 +
AI 6 -
Analog input 6
Digital inputs (assignable inputs)
9
10
24 V
DC
24 V supply (output)
24 V DC, short-circuit proof
Max. load 200 mA (terminals 9 and 10 together),
internal supply referred to internal ground
11
DI 0
Digital input 0
H signal: +15 V to +30 V
L signal: –30 V to +5 V or terminal open
8.5 mA at 24 V
12
DI 1
Digital input 1
13
DI 2
Digital input 2
14
DI 3
Digital input 3
Digital inputs/outputs (assignable inputs/outputs)
15
DI/
DO 4
Digital input
/output 4
Type, input/output can be parameterized
Features, inputs:
H signal: +15 V to +30 V
L signal: 0 V to +5 V or terminal open
8.5 mA at 24 V
Features, outputs:
H signal: +20 V to +26 V
L signal: 0 to +2 V
Short-circuit proof; max. current carrying capacity: 100 mA per DO;
max. total load of all DO (CUD left X177:15-22 + CUD right
X177:15-22): 800 mA
Internal protection circuit (freewheeling diode)
If overload occurs: alarm A60018
16
DI/
DO 5
Digital input
/output 5
17
DI/
DO 6
Digital input
/output 6
18
DI/
DO 7
Digital input
/output 7
19
DO 0
Digital output 0
H signal: +20 V to +26 V
L signal: 0 to +2 V
Short-circuit proof; max. current carrying capacity: 100 mA per DO;
max. total load of all DO (CUD left X177:15-22 + CUD right X177:15-
22): 800 mA
Internal protection circuit (freewheeling diode)
If overload occurs: alarm A60018
20
DO 1
Digital output 1
21
DO 2
Digital output 2
22
DO 3
Digital output 3
23, 24
M
Ground, digital
