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| Categories: | RS-485 I/O Expansion Racks | Modbus I/O Expansion Racks |
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RU-87Pn series 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.
RU-87Pn is designed to be used in harsh and noisy environment, so the hardware is manufactured with wide power input range (10 ~ 30 VDC), isolated power input and can operate under wide temperature (-25°C ~ +75°C). To simplify installation and maintenance of I/O modules, it provides many useful features, such as: hot swap allowed, auto configuration, LED indicators for fault detection, dual watchdog to keep alive, programmable power on and safe values for safety.
There are more than 30 I/O modules supported with the unit, including analog input/output, digital input/output, counter, frequency I/O modules. We provide various software development kits (SDK) and demos, such as DLL, ActiveX, Labview driver, InduSoft driver, Linux driver, OPC server, etc. The I-87K series I/O modules plugged in the RU-87Pn can be easily integrated into variant software system.
| Interface Type (RS-485) | ||
| Baud rate | 115200 bps maximum | |
| Distance | 1.2 Km (4000 ft) maximum | |
| Isolation | 3000 VDC | |
| ESD Protection | +/- 4K Contact Discharge and +/- 8K Air Discharge | |
| Communication Protocol | DCON Protocol (ASCII format) | |
| Switch | ||
| Rotary Switch | x2 , For RS-485 address | |
| DIP Switch | 8 bit *1, For auto configuration, check sum and baud rate | |
| LED Indicators | ||
| Power | Yes | |
| System Ready | Yes | |
| Auto configuration | Yes | |
| Slot Status | Yes | |
| I/O Expansion Slots | ||
| Hot Swap | Yes | |
| Auto Configuration | Yes | |
| Support Module Type | High profile I-87K module only | |
| Slots | ||
| RU-87P1 | 1 | |
| RU-87P2 | 2 | |
| RU-87P4 | 4 | |
| RU-87P8 | 8 | |
| Dimensions (W x H x D) | ||
| RU-87P1 | 64 x 120 x 110 mm | |
| RU-87P2 | 95 x 132 x 111 mm | |
| RU-87P4 | 188 x 132 x 111 mm | |
| RU-87P8 | 312 x 132 x 111 mm | |
| Power | ||
| Input Range | 10 ~ 30 VDC (non-regulated) | |
| Reverse polarity protection | Yes | |
| Isolation | 1000 VDC | |
| Frame Ground | Yes | |
| Consumption | Power Board Driving | |
| RU-87P1 | 1 W | 5 W |
| RU-87P2 | 1 W | 8 W |
| RU-87P4 | 2 W | 30 W |
| RU-87P8 | 2.4 W | 30 W |
| Environment | ||
| Operating Temperature | -25 ~ +75 °C | |
| Storage Temperature | -30 ~ +75 °C | |
| Humidity | 5 ~ 95%, Non-condensing | |
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