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I-87K4 - RS 485 I/O expansion unit includes 20 W power, B841 backplane, 4 I/O slot
by ICP DAS
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4 x Slot I/O Expansion Unit (87K I/O Module only)
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By implementing external serial expansion racks, users are able to easily implement a greater amount of I/O onto an existing industrial control infrastructure. I-87K4 has a serial bus (RS-485) communication interface with DCON protocol. It is equipped with one power module, and 4 Input/Output slots. It is used to expand I/O modules via the RS-485 interface. Only i-87K and m-87K series I/O modules can plug in the unit.
- COM2
- RS-485, 115.2K BPS max.
- Data+, Data-
- 16550 compatible, 16 bytes FIFO
- directly drive 256 of 7000 modules
- max. distance: 4000 feet (1.2 Km)
- Isolation voltage : 3000Vdc
I/O Expansion Slot
- Support serial I/O
- 4 slots for I-87K4
- 5 slots for I-87K5
- 8 slots for I-87K8 9 slots for I-87K9
Power Supply
- Unregulated +10Vdc to +30Vdc
- 20W
Environment
- Operating temp.: –20°C to +75°C.
- Storage Temperature: –30°C to +85°C.
- Humidity: 5% ~ 95%, non-condensing
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