AccuLoad IV Installation & Maintenance Manual
Introduction
10
1.1.2 Electronic Modules
The AccuLoad IV has the following standard and optional electronic modules.
explains which modules are standard or optional for each AccuLoad model;
provides details about each module.
Table 1: Electronic Modules by Model
Model
Standard Modules
Optional Modules
ST
THMI
A4M
A4I (up to two; only one may be
installed internally)
QT
THMI
A4M
A4B
A4I (up to two external or internal)
N4
THMI
A4M
Card reader
SA MMI component
THMI
Card reader
SA FCM component
A4M
A4B
A4I (up to one per board set)
A4M and A4B (up to three board sets)
Table 2: Model Functions and Capacities
Module
Description
Interfaces
Power
Model & Location
THMI
Touch-screen user interface;
connects to the A4M via
Ethernet
Ethernet
Serial
24 volts direct
current (VDC)
ST (front cover)
QT (front cover)
N4
SA MMI
A4M
Main I/O board that provides up
to six dual-channel product
meter pulse inputs; pulse inputs
not used for product meters can
be used for up to four metered
injector pulse inputs
Meter pulse input
Pulse outputs
Digital I/O alternating
current/direct current (AC/
DC)
Analog I/O
Ethernet
93 to 230 volts
alternating
current (VAC)
ST
QT
N4
SA FCM
A4B
I/O expansion for the QT and
SA models
Meter pulse input
Digital I/O AC/DC
Ethernet
24 VDC
QT
SA FCM
A4I
Optional I/O expansion module
generally used for metered
injector interfaces
Additive meter pulse input
Digital input DC
Digital output AC
24 VDC
ST
QT
SA FCM
(may be mounted
internally or in
separate enclosure)
Card
reader
Proximity card reader for
access control
Serial communication
24 VDC
N4
SA MMI
(may be mounted in
front cover or in
separate enclosure)
Содержание Smith Meter AccuLoad IV
Страница 7: ...AccuLoad IV Installation Maintenance Manual Introduction 2 Figure 1 AccuLoad IV ST ...
Страница 9: ...AccuLoad IV Installation Maintenance Manual Introduction 4 Figure 3 AccuLoad IV QT ...
Страница 11: ...AccuLoad IV Installation Maintenance Manual Introduction 6 Figure 5 AccuLoad IV N4 ...
Страница 14: ...AccuLoad IV Installation Maintenance Manual Introduction 9 Figure 8 AccuLoad IV SA FCM ...