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REF: CCU/IO-485.DOC REV: C June 20, 2000
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CCU/IO-485 ( and CCU/I-485 ) Install Instructions
Part #: CCU/IO-485 ( or CCU/I-485 )
This equipment is designed for installation and service by fully qualified field engineers. No user
serviceable or installation parts inside.
Description:
CCU/IO-485
:
The CCU/IO-485 has 8 relay outputs and 8 supervised inputs.
CCU/I-485
:
The CCU/I-485 is exactly the same as the CCU/IO-485 except that the 8 outputs on the
CCU/IO-485 are replaced with 16 unsupervised inputs. Any CCU/IO-485 mentioned in this
document may be replaced with a CCU/I-485. This document will use CCU/IO-485s in all of
it’s examples.
Supplied:
1
x
CCU/IO-485 board with firmware for RS485/RS232 interface
1
x
Mounting Bracket
1
x
Power connector for CCU/IO
1
x
Supervision relay connector for CCU/IO
1
x
RS485 interface connector
You will need:
1
x
cable from 24V DC power source to CCU/IO. Connector supplied.
If connecting to CCU/485-IO
1
x
RS485 interface cable ( see later for wiring information)
If connecting to CCU/422-IO, CCU/232-IO or CCU/FIBRE-IO
1
x
RS232 interface cable (see later for wiring information)
Power Requirements:
Typical:
200mA at 24VDC
Voltage Input:
20-30 VDC
