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CCU/IO-485 ( and CCU/I-485 ) Install Instructions
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
If connecting to CCU/422-IO, CCU/232-IO or CCU/FIBRE-IO
1
x
Power Requirements:
Typical:
Voltage Input:
1 of 9
RS485 interface cable ( see later for wiring information)
RS232 interface cable (see later for wiring information)
200mA at 24VDC
20-30 VDC
REF: CCU/IO-485.DOC REV: C June 20, 2000
34 Corporate Drive
Southgate Corporate Park
CANNON HILL
4170
AUSTRALIA
Tel: +61 7 3318 6900
Fax: +61 7 3318 6905
Part #: CCU/IO-485 ( or CCU/I-485 )
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Summary of Contents for Tyco CCU/IO-485
- Page 1 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.
-
Page 2: Board Layout
Board Layout: CCU/IO-485: CCU/I-485: ( Note the outputs are replaced with 2 inputs each. The middle pin on each is 0V. ) 2 of 9 REF: CCU/IO-485.DOC REV: C June 20, 2000... - Page 3 • If connecting the CCU/IO-485 to a CCU/232-IO, CCU/422-IO or CCU/FIBRE-IO then place jumpers on JP30 as shown below and connect the RS232 port ( CHN_A ) of the CCU/IO-485 to port C of the CCU/232-IO, CCU/422-IO or CCU/FIBRE-IO using the following connection diagram.
- Page 4 • If connecting the CCU/IO-485 to a CCU/485-IO then place jumpers on JP30 as shown below and connect the RS485 ( SKT33 ) port of the CCU/IO-485 to port A or B of the CCU/485-IO using the following connection diagram. Up to eight CCU/IO-485 boards can be chained off one channel of the CCU/485-IO, giving up to 16 CCU/IO-485 boards connected to one CCU/485-IO.
- Page 5 Connecting the inputs and outputs to the CCU/IO-485: • The outputs on the CCU/IO-485 are relays that have a common ( COM ), normally open ( NO ) and normally closed ( NC ) output, as shown in the Board Layout ( page 1 ). When the relay is not energised the common line in shorted to the normally closed line.
- Page 6 485s on Channel A will be given the Addresses 1 to 8. The 4 CCU/IO-485s on Channel B will be given the Addresses 9 to 12. Address 0 CANNOT BE USED. If a CCU/IO-485 is connected to a CCU/232-IO, CCU/422-IO or CCU/FIBRE-IO, then the CCU/IO-485 must be given an address of 1.
- Page 7 For Programming only: • A PC can be temporarily connected to CHN_A of CCU/IO-485 for programming. Note that this is a straight through standard RS232 cable for laptops. Jumper JP30 must be set as shown CCU/IO-485 PC/LAPTOP PC/LAPTOP CHN_A 25PIN...
-
Page 8: Appendix A - Wiring For Rs485 Chain
Appendix A - Wiring for RS485 chain: RS232-A RS232-A 8 of 9 REF: CCU/IO-485.DOC REV: C June 20, 2000... -
Page 9: Appendix B - Supervised Inputs On A Ccu/Io-485
Appendix B - Supervised inputs on a CCU/IO-485: +24V 485+ 485- 9 of 9 REF: CCU/IO-485.DOC REV: C June 20, 2000...