Specifications

Minitrend
®
GR 3
Features
Display
• 5.7” High Resolution Colour Active TFT -
with more than 256,000 colours makes it easy
to interpret process data and take action with
the intuitive bar charts, digital values, trends or
customised displays. A screen saver function
can be set from 1 to 720 minutes to extend the
life of the backlight.
• Touch Screen - the heavy duty durable touch
screen provides easy data entry and rapid
navigation though the menus.
Internal memory / Logging rate =1 sec
Pens 1GB 2GB 4GB
4 1000d 2000d 4000d
8 500d 1000d 2000d
16 250d 500d 1000d
• Help Files - A complete contextual help system
can be accessed and visualised on the screen of
the recorder.
Communications
• Ethernet Connectivity - the Ethernet (DHCP
standard) connection, with support for various
protocols, provides unlimited connectivity to
local area networks (LANs). The standard
Ethernet interface makes networking of the
recorder to a LAN or the world wide web fast
and convenient. Dynamic Host Configuration
Protocol (DHCP) automatically acquires the
settings (IP address) for network
communications from a DHCP server.
• RS485 Modbus - the RS485 connection allows
process data to be transferred to other devices,
or to record data received in MODBUS RTU
protocol (slave mode only).
• Simple Network Time Protocol (SNTP) - The
recorder can be synchronized over the ethernet
network via a SNTP client or synchronise other
recorders via a Server.
• Web Server - with the recorder connected to a
LAN, all process variables, alarm and messages
can be viewed from an internet browser; values
are automatically refreshed.
Data Storage
Internal Data Storage - 256MB to 3.7GB of expandable
internal non-volatile flash memory is available for data
storage and chart history.
Data Export - Removable SD Card and USB flash
storage device provides multiple data storage
alternatives. Data is stored in a secure binary encrypted
format, with the recorder’s configurations, providing
added security of the data files.
Removable SD Card and USB flash storage devices
External USB Devices
The recorder has two USB host ports, one front and one
at the rear, for attaching external USB devices such as a
keyboard, mouse or a USB datastorage key. The
keyboard and mouse can be used to navigate the
recorder’s screen along with text entry.
Security
• Total Data Integrity - data is stored in secure
encrypted files making it easy to retrieve the data
dependent on process information. Data is
automatically recognised without having to
remember file names.
• Password Protection - Up to 4 levels of password
protection with up to 50 different users are
available. Multiple levels of password protection
and an audit trail of actions enhance the security of
the data.
• Extended Security System (option) - ESS
provides extended features including entry of
unique User ID’s and associated passwords, time-
out of password entry, password expiration, and
traceability of user actions. ESS is compatible with
the requirements of 21CFR part 11.
• Password Network Synchronisation -
Password can be synchronized over the
network, a recorder can be designated as a
master of a password group and other recorders
can be added to that group as slaves, the
master will ensure all passwords are
synchronized with all recorders in its group.