DSE2157 relay output expansion module
10
057-083 Issue 1 DSE2157 relay output expansion operator manual
8 FAULT DIAGNOSIS
Nature of problem
Suggestion
Relays don’t activate on the 2157 board
Ensure the host controller is correctly
configured to send signals to the 2157
Power LED indication does not illuminate
Check polarity and size of the connected DC
supply are within the specifications of the
DSE2157
Power LED flashes
This means the the communications link to the
host controller has been lost.
Check the connection of the DSEnet paying
particular attention to the cable type being used
and the positioning of the termination resistors.
9 MAINTENANCE, SPARES, REPAIR AND SERVICING
The DSE2157 is designed to be
Fit and Forget
. As such, there are no user serviceable parts. In the
case of malfunction you should contact your original equipment supplier (OEM).
10 WARRANTY
DSE provides limited warranty to the equipment purchaser at the point of sale. For full details of any
applicable warranty, you are referred to your original equipment supplier (OEM).
11 DISPOSAL
11.1 WEEE (WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT)
Directive 2002/96/EC
If you use electrical and electronic equipment you must store, collect, treat,
recycle and dispose of WEEE separately from your other waste.
11.2 ROHS (RESTRICTION OF HAZARDOUS SUBSTANCES
Directive 2002/95/EC:2006
To remove specified hazardous substances (Lead, Mercury, Hexavalent Chromium, Cadmium, PBB &
PBDE´s)
Exemption Note: Category 9. (Monitoring & Control Instruments) as defined in Annex 1B of the WEEE
directive will be exempt from the RoHS legislation. This was confirmed in the August 2005 UK´s
Department of Trade and Industry RoHS REGULATIONS Guide (Para 11).
Despite this exemption DSE has been carefully removing all non RoHS compliant components from
our supply chain and products.
When this is completed a Lead Free & RoHS compatible manufacturing process will be phased into
DSE production.
This is a process that is almost complete and is being phased through different product groups.