SIEMENS
SINAMICS DCM
DC Converter and Control Module
DC Converter
3/44
Siemens D 23.1 · 2014
3
■
Circuit diagrams
(continued)
Terminals on Connector Board
Assignment, terminal X177
Terminal
X177
Function
Technical data
Analog inputs (user-assignable inputs)
1
2
AI3 +
AI3 -
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
AI4 +
AI4 -
Analog input 4
5
6
AI5 +
AI5 -
Analog input 5
7
8
AI6 +
AI6 -
Analog input 6
Digital inputs (user-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
DI0
Digital input 0
H signal: +15 … +30 V
L signal: -30 … +5 V or terminal open
8.5 mA at 24 V
12
DI1
Digital input 1
13
DI2
Digital input 2
14
DI3
Digital input 3
Digital inputs/outputs (user-assignable inputs/outputs)
15
DI/
DO4
Digital input/
output 4
Type, input/output parameterizable
Properties of inputs:
H signal: +15 … +30 V
L signal: 0 … +5 V or terminal open
8.5 mA at 24 V
Properties of outputs:
H signal: +20 … +26 V
L signal: 0 … +2 V
Short-circuit proof, 100 mA
Internal protective circuit (free wheeling diode)
For overload: Alarm A60018
16
DI/
DO5
Digital input/
output 5
17
DI/
DO6
Digital input/
output 6
18
DI/
DO7
Digital input/
output 7
19
DO0
Digital output 0
H signal: +20 … +26 V
L signal: 0 … +2 V
Short-circuit proof, 100 mA
Internal protective circuit (free wheeling diode)
For overload: Alarm A60018
20
DO1
Digital output 1
21
DO2
Digital output 2
22
DO3
Digital output 3
23, 24
M
Ground, digital
Analog inputs, setpoint inputs (user-assignable inputs)
25
26
AI0 +
AI0 -
Analog input 0
Main setpoint
Input type (signal type), parameterizable:
- Differential input
±
10 V; 150 k
Ω
- Current input 0 … 20 mA; 300
Ω
or 4 … 20 mA; 300
Ω
Resolution approx. 0.66 mV (
±
14 bits)
Common-mode controllability:
±
15 V
27
28
AI1 +
AI1 -
Analog input 1
29
30
AI2 +
AI2 -
Analog input 2
Input type (signal type):
- Differential input
±
10 V; 150 k
Ω
Resolution approx. 0.66 mV (
±
14 bits)
Common-mode controllability:
±
15 V
Reference voltage
31
32
P10
N10
Reference voltage
±
10 V (output)
Tolerance
±
1 % at 25 °C
Stability 0.1 % per 10 K
10 mA short-circuit proof
33, 34
M
Ground, analog
Serial interface, peer-to-peer RS485
35, 36
M
Ground, digital
37
TX+
Send cable +
4-wire send cable, positive differential output
38
TX-
Send cable -
4-wire send cable, negative differential output
39
RX+
Receive cable +
4-wire receive cable, positive differential input
40
RX-
Receive cable -
4-wire receive cable, negative differential input
© Siemens AG 2014