User Guide

FS-8700-128 Safetran SCS-128 Manual Page 3 of 15
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.FieldServer.com
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1. Safetran-SCS-128 Description
The Safetran-SCS-128 driver allows the transfer of data to and from devices over RS-232 SCS-
128 protocol. Vital Harmon Logic Controller (VHLC) supports SCS-128 protocol. SCS-128
80938-098 Rev A04 is the basis of the Safetran-SCS-128 driver. The FieldServer can act as a
Client or a Server.
Max Nodes Supported
FieldServer Mode Nodes Comments
Client 1
Only 1 virtual client per port allowed on multidrop systems, which
can poll 127 Server devices
Server 127 This is a protocol limit, maximum devices can be polled by Client