NA400 - Profibus DP Slave Module
Category:
- Product Description
- Performance Parameters
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PROFIBUS DP slave module
CMM401-0103
Product Features
Standard PROFIBUS-DP slave interface: DP-V0/V1 protocol, compliant with IEC61158 and the Chinese national standard GB/T20540-2006: Part 3—Fieldbus for Industrial Control Systems Using Digital Data Communication in Measurement and Control;
The baud rate is adjustable, with a maximum baud rate of 12M.
The maximum number of such slave stations that can be connected to a Profibus bus is 30.
Maximum expansion I/O modules: 32-point DI/32-point DO modules ≤ 32 units; 16-point AI modules ≤ 7 units; 4-point AO modules ≤ 7 units;
Smart module with powerful self-diagnostic capabilities—when a fault occurs during module operation, it can automatically reset and restart. Its unique data security output function further enhances the control device’s safety features.
Comprehensive LED indicators: comprehensive LED indicators for power, module activation, module operation, faults, PROFIBUS bus operation, and faults;
Supports hot-swapping.
Module hardware setup and external interfaces
1. DP slave address code switch
The module provides two decimal rotary coding switches, S1 and S2. The DP slave address is calculated as S1 × 1 + S2 × 10; please set the correct address before powering on.

2. Two DIP switches K1 and K2

K1: Reserved for system use; used for firmware updates. Before powering on and running the module, please ensure that K1 is in the OFF position.
K2: Bus cable 120-ohm termination resistor selection switch—In the OFF position, the termination resistor is not connected; in the ON position, the termination resistor is connected.
3. DP communication interface
DP-S: Standard SUBDB9 female connector; the pin definitions are shown in the table below:
NO.
Pin definitions
NO.
Pin definitions
NO.
Pin definitions
1
SHIELD optional
4
CNTR_P
7
P24
2
M24 optional
5
DGND
8
RS485_N
3
RS485_P
6
P5V
9
NC
Note: The NC table is not connected.
Due to limitations in physical and electrical performance, the maximum number of this module that can be connected to a Profibus bus is 30. Please take this limitation into account when configuring your system. If the number of slave stations must exceed 30, please add a Profibus repeater device.
*The information provided in this text is merely a general description and introduction to the product’s features. The content of this document may change as the product undergoes further development. The right of interpretation rests with Nanjing Aotuo Technology Co., Ltd.
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Serial Port Module Type
CMM401-0103
Order number
400CMM4010103
Power consumption
2.0W/5V
Current consumption
400mA/5V
Number of bus interfaces
1
Bus interface type
Profibus DP slave
Supports communication baud rates
4800~12 Mbps
Interface Isolation
Optical isolation 2500V rms
Programming-driven
The manufacturer provides the GSD file.
Weight (g)
220
Dimensions: Width × Height × Depth (mm)
40×145×158
*The content of this document is subject to change as the product undergoes further development. The right of interpretation rests with Aotuo Technology Co., Ltd.
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