Condition:New
Type:Logic ICs
Chapter Product introduction
One、Product overview
MBSL8ROModule is8Circuit relay output module，By isolationRS485Interface output。Modules adopt standardModbus RTUcommunication，It can be directly adapted to various upper computer configuration software.、PLC、DCSetc.。Module power supply、RS485Communication electrical signals are isolated from each other，Effectively suppress all kinds of serial mode and common mode interference，At the same time, it ensures the stability of the module.、Reliable work。
1、UseRS485 MODBUS RTUStandard communication，Configurable Software with Upper Computer、PLC、Industrial touch screen networking、With Communication Status Indicator
2、Industrial standard：signal control、Power Supply、RS485Electrical signals such as communication are isolated from each other。
3、Lightning Protection for Communication Circuit、Anti-interference design、Polarity Protection of Power Supply。
4、RS485Overvoltage and Overcurrent Double Protection for Communication Signal Output Interface。
5、It can be widely used in signal acquisition and control of industrial field equipment.。
6、Module adoptionSoftware and Hardware Dual Watchdog TimerAutomobile Class Standard，Guarantee that the module never crashes and works steadily and reliably
7、Output disconnection protection：When appear485Network interruption，When the host does not receive the data sent by the host station within the set time，Modules automatically disconnect the output，Consequently, the safety of field equipment can be automatically protected.。
8、Communication format can be set by software。
Two、Main Technical Indicators
term order
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Technical index
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Signal input
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1、Output channel：8Circuit Frequent Open Relay Output
2、Load capacity：Resistive load250V/2A inductive load250V/1A
3、Relay coil and contact isolation voltage：2000V
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Communication output
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1．Communication protocol：MODBUS-RTU
2．Interface type：quarantineRS485communication，Overvoltage and Overcurrent Double Protection for Output Interface
3．baud rate： 4800bps、9600bps、19200bps、38400bps、57600bps
4．Parity bit：No check、Parity check、Odd parity check
5．Setting mode：Module address、baud rate、Check bits can be set by software
6．Communication distance：@9600bps 1200rice
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Module size and installation method
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1、Installation mode：standardDINGuide rail installation or screw installation
2、Outline size：125×73×35mm
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work environment
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temperature：-10～+60℃humidity：35～85%（No condensation）
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Working power supply
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1．Power supply voltage：10V～30VWide range power supply，Polarity Protection with Power Supply
2．Power consumption：less than3W
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Three、Interface definition
Terminal name
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saybright
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Terminal name
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saybright
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PW+
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External power input front end
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485A
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RS485signalA+
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PW-
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Negative input end of external power supply
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485B
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RS485signalB-
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RY1A
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Relay Output Channel1
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RY5A
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Relay Output Channel5
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RY1B
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RY5B
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RY2A
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Relay Output Channel2
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RY6A
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Relay Output Channel6
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RY2B
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RY6B
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RY3A
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Relay Output Channel3
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RY7A
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Relay Output Channel7
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RY3B
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RY7B
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RY4A
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Relay Output Channel4
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RY8A
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Relay Output Channel8
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RY4B
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RY8B
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Four、Modular wiring indication
Five、Communication instructions
1、Communication parameter description(Factory value)： 9600，N，8，1
ginseng number
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say bright
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9600
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baud rate
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N(No check)
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Parity bit
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8
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Data bits
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1
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Stop bit
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The second chapterModbusRegister and Communication Protocol Description
One．Modular supportedMODBUSFunction code and address range
1．Modular supportedMODBUSFunction code
Register type
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Address range
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Function code
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Function Code Description
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exercise do
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Output Coil Register
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00001-00008
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0x01H
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Read multiple coil registers
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Read the value of one or more coil registers
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0x05H
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Write a coil register
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Write the value of a coil register
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0x0FH
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Write one or more coil registers
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Write the value of one or more coil registers
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Keep Register
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40001-40016
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0x03H
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Read multiple hold registers
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Read the value of one or more holding registers
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0x 06H
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Write a single hold register
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Write a data to the hold register
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0x 10H
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Write multiple hold registers
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Write one or more data to the hold register
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