IO-AI4-AO2
I / O E x p a n s i o n M o d u l e
6/03
8
Unitronics Industrial Automation
Notes:
1.
Note that the range of each I/O is defined both by wiring and within the controller’s software.
2.
The analog value of an input may also indicate when the input is functioning out of range. If an analog
input exceeds the permissible range, its value will be 409
6
.
3.
When an output that is delivering positive output voltage is connected to a load that short-circuits, the
SHORT CIRCUIT LED lights up on the module. The short circuit is also identified by the software
program within the controller connected to the module.
Within the M90 OPLC, for example, SB 5 turns ON. SI 5 contains a bitmap indicating the module
containing the affected output.
For more information, refer to the on-line help supplied with the programming package of your controller.
About Unitronics
Unitronics Industrial Automation Systems has been producing PLCs, automation software and accessory
devices since 1989.
Unitronics’ OPLC controllers combine full-function PLCs and HMI operating panels into single, compact units.
These HMI + PLC devices are programmed in a single, user-friendly environment. Our clients save I/O
points, wiring, space, and programming time; elements that translate directly into cost-efficiency.
Unitronics supports a global network of distributors and sales representatives, as well as a U.S. subsidiary.
For more information regarding Unitronics products, contact your distributor, Unitronics headquarters via
email:
, or visit the Unitronics website at
http://www.unitronics.com/
.
Under no circumstances will Unitronics be liable or responsible for any consequential damage that may arise as
a result of installation or use of this equipment, and is not responsible for problems resulting from improper or
irresponsible use of this device.
No part of this document may be used for any purpose other than for the purposes specifically indicated herein
nor may it be reproduced or transmitted in any form or by any means, electronic or mechanical, including
photocopying and/or recording, for any purpose without written permission from Unitronics.
The information appearing in this document is for general purposes only. Unitronics makes no warranty of any
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of merchantability and/or fitness for a particular use or purpose. Unitronics assumes no responsibility for the
results, direct and/or indirect, of any misuse of the information appearing in this document nor for any use of the
Unitronics products referred to herein in any manner deviating from the recommendations made in this
document. Unitronics assumes no responsibility for the use of any parts, components, or other ancillary
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Unitronics product.
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