Intelligent I/O Expansion Unit
8 Expansion Slots
Supports I-87xxx modules only

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RU-87P8 is a Remote Intelligent I/O Expansion Unit to expand I-87K series I/O modules over the RS-485 for industrial monitoring and controlling applications.
The unit supports more than 30 I/O modules including analog input/output, digital input/output, counter/frequency I/O modules.

RU-87P8 is designed to operate in harsh and noisy environments, so the hardware is manufactured with wide power input range of 10 ~ 30VDC, isolated power and an operating temperature of -25°C ~ +75°C.

It simplifies installation and maintenance of I/O modules with hot swappable and auto configuration, fault and error detection, dual watchdog, programmable power on and safe values.

Various software development kits (SDK) and demos are provided, such as DLL, ActiveX, Labview driver, Indusoft driver, Linux driver, OPC server, etc. The I-87K series I/O modules plugged in the RU-87P8 can be easily integrated into variant software system.

RS-485 Interface
Baud Rate 115200 bps maximum
Distance 1.2 Km (4000 ft) maximum
Isolation 3000 VDC
ESD Protection +/- 4K Contact Discharge
+/- 8K Air Discharge
Communication Protocol DCON Protocol (ASCII format)
Rotary Switch Two for RS-485 address
DIP Switch 8 bit, For auto configuration, check sum and baud rate
Power Yes
System Ready Yes
Auto Configuration Yes
Slot Status Yes
I/O Expansion Slots
Expansion Slots 8
Hot Swap Yes
Auto Configuration Yes
Support Module Type High profile I-87xxx module only
Input Range 10 ~ 30VDC (non-regulated)
Reverse Polarity Protection Yes
Isolation 1000VDC
Frame Ground Yes
Consumption 2.4W
Power Board Driving 30W
Physical and Environmental
Dimensions 312mm x 132mm x 111mm
Operating Temperature -25 ~ +75°C
Storage Temperature -30 ~ +75°C
Humidity 5 ~ 95%, Non-condensing

RU-87Px RU-87Px