Product Description
16DI/16RO 16 way Digital Isolation Input Module 16 Channel Relay Output Data Acquisition Control Board RS485 Modbus Module
16DI/16RO 16 way Digital Isolation Input Module 16 Channel Relay Output Data Acquisition Control Board RS485 Modbus ModuleProduct Overview
MBSL16DI16RO module is a 16-channel digital isolated input and 16-channel relay isolated output module, which outputs through an isolated RS485 interface. The module adopts standard Modbus RTU communication, which can directly adapt to various PC configuration software, PLC, DCS, etc. The module power and RS485 communication electrical signals are isolated from each other, effectively suppressing various types of serial and common mode interference, and also ensure the module's stable and reliable operation.
1 , using RS485 MODBUS RTU communication standard, can be networking with PC configuration software, PLC, industrial touch screen, with communication status indicator
2 , Industrial Standard: signal control, power supply, RS485 communication electrical signal isolation from each other.
3. The communication circuit adopts lightning protection, anti-interference design and power polarity protection.
4. RS485 communication signal output interface adopts double protection of over-voltage and over-current.
5 , can be widely used in industrial field equipment signal acquisition and control.
6. Output disconnection protection : When the module slave detects that the master station has not sent data for more than the set time, it automatically resets the output to protect the safety of field equipment. No network disconnection protection function by default, can be selected by setting
7. The communication format can be set by software.
Second, the main technical indicators
project | Technical index |
Signal input / output | 1. Input channel: 16 digital inputs 2. Output channel: 16 relay outputs 3. Load capacity: resistive load 5A / channel |
Communication output | 1 . Communication protocol: MODBUS-RTU 2 ．Interface type: Isolated RS485 communication, the output interface adopts double protection of overvoltage and overcurrent 3 ．Baud rate: 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps 4 . Parity: no parity, even parity, odd parity 5 . Setting method: module address, baud rate, check digit can be set by software 6 . Communication distance: @ 9600bps 1200 meters |
Module size and installation | 1. Installation method: standard DIN rail installation or screw installation 2 , dimensions: 125 × 90 × 43mm |
working environment | Temperature: -10 to + 60 ° C Humidity: 35 to 85% (non-condensing) |
Working power | 1 . Power supply voltage: DC24V power supply, with power polarity protection 2 ．Power consumption: less than 5W |
Interface definition
Terminal name | Said Ming | Terminal name | Said Ming |
PW + | External power input positive terminal | 485A | RS485 signal A + |
PW- | External power input negative terminal | 485B | RS485 signal B- |
DI1 | Digital input channel 1 | DO1 | Digital output channel 1 |
DI2 | Digital input channel 2 | DO2 | Digital output channel 2 |
DI3 | Digital input channel 3 | DO3 | Digital output channel 3 |
DI4 | Digital input channel 4 | DO4 | Digital output channel 4 |
DI5 | Digital input channel 5 | DO5 | Digital output channel 5 |
DI6 | Digital input channel 6 | DO6 | Digital output channel 6 |
DI7 | Digital input channel 7 | DO7 | Digital output channel 7 |
DI8 | Digital input channel 8 | DO8 | Digital output channel 8 |
DI9 | Digital input channel 9 | DO9 | Digital output channel 9 |
DI10 | Digital input channel10 | D10 | Digital output channel 10 |
DI11 | Digital input channel11 | D11 | Digital output channel 11 |
DI12 | Digital input channel12 | D12 | Digital output channel 12 |
DI13 | Digital input channel13 | D13 | Digital output channel 13 |
DI14 | Digital input channel14 | D14 | Digital output channel 14 |
DI15 | Digital input channel15 | D15 | Digital output channel 15 |
DI16 | Digital input channel16 | D16 | Digital output channel 16 |
COM | Input common | COM | Output common |
Register type | Address range | function code | Function code description | operating |
Output coil register | 00001-000016 | 0x01H | Read multiple coil registers | Read the value of one or more coil registers |
0x05H | Write a coil register | Write the value of a coil register | ||
0x0FH | Write one or more coil registers | Write the value of one or more coil registers | ||
Holding register | 40001-40016 | 0x03H | Read multiple holding registers | Read the value of one or more holding registers |
0x 06H | Write a single holding register | Write a data to holding register | ||
0x 10H | Write multiple holding registers | Write one or more data to the holding register | ||
Enter digital quantity | 10001-100016 | 0x02H | Read input discrete | Discrete input register |
two. Register definition description
1. Output coil register (function code: 0x01H , 0x05H , 0x0FH )
address | parameter | length | Read / write | MIN | MAX | Description |
00001 | DO1 | 1 | Read / write | 0 | 1 | Status of digital output bit 1 |
00002 | DO2 | 1 | Read / write | 0 | 1 | Status of digital output bit 2 |
00003 | DO3 | 1 | Read / write | 0 | 1 | Status of digital output bit 3 |
00004 | DO4 | 1 | Read / write | 0 | 1 | Status of digital output bit 4 |
00005 | DO5 | 1 | Read / write | 0 | 1 | Status of digital output bit 5 |
00006 | DO6 | 1 | Read / write | 0 | 1 | Status of digital output bit 6 |
00007 | DO7 | 1 | Read / write | 0 | 1 | Status of digital output bit 7 |
00008 | DO8 | 1 | Read / write | 0 | 1 | Status of digital output bit 8 |
00009 | DO9 | 1 | Read / write | 0 | 1 | Status of digital output bit 9 |
000010 | DO10 | 1 | Read / write | 0 | 1 | Status of digital output bit 10 |
000011 | DO11 | 1 | Read / write | 0 | 1 | Status of digital output bit 11 |
000012 | DO12 | 1 | Read / write | 0 | 1 | Status of digital output bit 12 |
000013 | DO13 | 1 | Read / write | 0 | 1 | Status of digital output bit 13 |
000014 | DO14 | 1 | Read / write | 0 | 1 | Status of digital output bit 14 |
000015 | DO15 | 1 | Read / write | 0 | 1 | Status of digital output bit 15 |
000016 | DO16 | 1 | Read / write | 0 | 1 | Status of digital output bit 16 |
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