Precision Digital Corporation PD8-6262, Инструкция по эксплуатации

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PD8-6262 Explosion-Proof Dual Analog Input Flow Rate/Totalizer
Instruction Manual
17
Digital Input (F4)
Function Remote operation of front-panel buttons,
acknowledge/reset relays, reset totals,
reset max/min values. See
Function Keys &
Digital I/O Available Settings on page 60 for
a complete list of capabilities.
Contacts 3.3 VDC on contact. Connect normally
open contacts across F4 to COM
Logic Levels Logic High: 3 to 5 VDC
Logic Low: 0 to 1.25 VDC
Digital Inputs & Outputs
Function Terminals provided for remote operation of
all four programming / operation buttons.
Other uses include acknowledge/reset
relays, reset totals, and reset max/min
values. See
Function Keys & Digital I/O
Available Settings on page 60 for a
complete list of capabilities.
Channels 4 digital inputs & 4 digital outputs
Digital Input
Logic High 3 to 5 VDC
Digital Input
Logic Low 0 to 1.25 VDC
Digital Output
Logic High
3.1 to 3.3 VDC
Digital Output
Logic Low 0 to 0.4 VDC
Source
Current 10 mA maximum output current
Sink Current 1.5 mA minimum input current
+5 V Terminal To be used as pull-up for digital inputs only.
Connect normally open push buttons
5 V & DI 1-4.
•
DO NOT use +5 V terminal to power external
devices.
MeterView Pro Software
Availability Download directly from totalizer or from
www.predig.com/download_software
System
Requirements Microsoft
®
Windows
®
XP/Vista/7/8/10
Communications USB 2.0 (for programming only)
(USB A Male to Micro-B Cable)
RS-485 to USB converter
(programming, monitoring, and data
logging)
Configuration Configure totalizers one at a time
Power USB port provides power to the
totalizer.
DO NOT apply AC or DC
power to the totalizer while the USB
port is in use.
Compliance Information
Electromagnetic Compatibility
Emissions EN 55022
Class A ITE emissions requirements
Radiated
Emissions Class A
AC Mains
Conducted
Emissions Class A
Immunity EN 61326-1
Measurement, control, and laboratory
equipment
EN 61000-6-2
EMC heavy industrial generic
immunity standard
RFI - Amplitude
Modulated 80 -1000 MHz 10 V/m 80% AM (1 kHz)
1.4 - 2.0 GHz 3 V/m 80% AM (1 kHz)
2.0 - 2.7 GHz 1 V/m 80% AM (1 kHz)
Electrical Fast
Transients ±2kV AC mains, ±1kV other
Electrostatic
Discharge ±4kV contact, ±8kV air
RFI -
Conducted 10V, 0.15-80 MHz, 1kHz 80% AM
AC Surge ±2kV Common, ±1kV Differential
Surge 1KV (CM)
Power-
Frequency
Magnetic Field 30 A/m 70%V for 0.5 period
Voltage Dips 40%V for 5 & 50 periods
70%V for 25 periods
Voltage
Interruptions <5%V for 250 periods
Note:
Testing was conducted on meters with cable shields
grounded at the point of entry representing installations
designed to optimize EMC performance.