ICP DAS

WinPAC-8000


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A Practical Example of ICPDAS Embedded Solutions

I-87K4, I-87K5, I-87K8, I-87K9
Serial Expansion Unit

The I-87K I/O expansion units are used to extend the number of I/O modules. Each expansion unit consists of a power supply and a backplane with 4, 5, 8 or 9 serial I/O Expansion slots. The I/O expansion units, 87K4, 87K5, 87K8, and 87K9 are equipped with a 115.2K bps RS-485 bus which links the expansion unit to the main control unit of WinCon-8000 series.

Common Specifications

Serial I/O Expansion Unit	I-87K4	I-87K5	I-87K8	I-87K9
Processor	16C550 compatible with 16 bytes FIFO
COM2	2-wire RS-485, 115.2K bps max.
Default function	Support serial I/O only Directly drive 256 of 7000 modules Isolation 2500VDC
I/O Slots	4	5	8	9
Operating Temp.	-25°C to +75°C
Storage Temp.	-30°C to +85°C
Humidity	5~95%
Power Supply	20W, Unregulated +10Vdc to +30Vdc

Ordering information

Model No.	Description
I-87K4	4-slot I/O Expansion Unit

I-87K5	5-slot I/O Expansion Unit

I-87K8	8-slot I/O Expansion Unit

I-87K9	9-slot I/O Expansion Unit