Yokogawa 414 Batch Controller - Manual (Page 5)

Introduction 3
1. INTRODUCTION
The Models 414D and 414B Batch Controllers accept pulse or frequency flow
signals and automatically control the batching of fluids via a one or two stage
control valve.
The instruments are extremely flexible and easy to operate, with a four key, front
panel operation that enables the batch quantity to be set, and batches to be started
or stopped.
This manual covers both the Model 414D and 414B. While both versions have
identical software and outputs, the Model 414D has an input signal conditioning
card, while the Model 414B accepts only basic pulse and squarewave signals.
Model 414D Accepts most frequency and pulse signals, including
mV outputs from turbine flowmeters, and 2 wire
proximity switch outputs. It also enables all four front
panel switches to be remotely connected via the rear
terminal strip.
The Model 414D has a scaled pulse output for driving
remote counters, together with a flow alarm output.
Model 414B Accepts basic pulse and squarewave signals. Only the
RUN and STOP switches are available via the rear
terminals.
Both instruments are fully programmable, with all calculation constants set via the
front panel switches and stored permanently in non-volatile memory.
This instrument conforms to the EMC-Directive of the Council of European
Communities 89/336/EEC and the following standards:
Generic Emission Standard EN 50081-1 Residential, Commercial & Light
Industry Environment.
Generic Emission Standard EN 50081-2 Industrial Environment.