ABB Triguard SC300E Panduan Pengguna
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Halaman Cetak
Triguard SC300E
MDO16GNS
16-Channel Digital Output Module
INTRODUCTION
PURPOSE
The 48Vdc Digital Output Module MDO16GNS provides the output control interface between
the SC300E processing environment and up to 16 field items. All field outputs from the module
are galvanically isolated from the system.
Circuit triplication and voting procedures make the module single-fault tolerant and latent
testing ensures that the failure of a normally 'ON' (energised) or 'OFF' channel will be
recognised and reported to the system. Front panel indicators show the state of all channels,
the circuit 'on-line' status and the health of the module.
The module, which is compatible with 'dual slot hot repair', can be fitted in any of the ten I/O
slots in the SC300E chassis. 'Wrong slotting' is prevented by physical coding. The SC300E
main processor software identifies the module via a built-in hardware identifier.
Channel outputs leave the module via the DIN 41612 'rear plug-up' system on the chassis
backplane.
This document is intended to provide a general understanding of the function of the module
sufficient to enable basic maintenance operations to be effected in the field.
ASSOCIATED DOCUMENTATION
Reference No
008-5097
008-5143
Chassis User Manual
TDO16AIE 16-Channel Digital Output Termination Card
Introduced Power, 48Vdc User Manual
008-5141
48Vdc
(MDO16GNS)
Issue 2 October 2005
Title