Model Differences - gefran 3850T Use And Installation Manual

1. GENERAL DESCRIPTION
The Data Logger function, combined with the Real Time
Clock (RTC clock with rechargeable buffer battery) stores
process data, IN/OUT signals and the status of the alarms
in an open file (.CSV format) or encrypted file. The mini-
mum data sampling frequency is 1 second. Saved files can
then be exported from the controller via USB or Ethernet
network.
The batch report option lets you to associate this data
with a specific batch produced, to be able to use them in
production and quality reports.
A specific application for PC (Report Utility) is available for
easy management of all data logger data and the produc-
tion batch reports which allows you to manually copy and
delete files via an Ethernet network between the controller
and a PC or automatically at dates that can be set manually
by the operator. The data stored on the PC can then be
displayed in graphical format or a spreadsheet (Excel type)
or exported as CSV or PDF files.
For the quick and safe installation of the machinery or plant,
use the recipes stored in the controller. The recipes, easily
retrievable by the operator, can be of two types: OEM
manufacturer recipes, which contain the machine setup
parameters and production recipes, which contain single
production settings (profile program, logical steps, math
functions).
The recipes can be easily transferred between different
controllers via USB key or Ethernet network.
Controllers offer complete diagnostics (probe break down
or incorrect connection, total or partial load break down,
control loop faults), which helps the operator in case of
controlled machine or process faults.
All controller alarms are stored internally and can be
viewed as Active alarms and Historical alarms. The relevant
message is displayed for each historical alarm with the
date and time of the various states (active alarm, ACK, and
alarm cleared). The ACK parameter, settable for each alarm,
ensures that the active alarm was acknowledged by the
operator.
1.2.

Model differences

Touch Screen display dimensions
Number of keys
Number of customisable keys
Max number of LOOP
Max number of programs
Logical and mathematical operations
Data Logger analog values
Data Logger digital events
Interface dimensions
10
An internal energy counter, with configurable offset alarm,
provides energy consumption and cost totals.
For accurate time stamps, the controller supports the
Simple Network Time Protocol (SNTP) service, which con-
tinuously updates the controller's date and time from the
SNTP server connected via Ethernet network.
The weekly clock function lets you automatically start or
stop a programmer or a process, without the need of oper-
ator intervention.
The clock is based on a settable weekly calendar (day of
week and time).
The display language selection lets the operator interact
with the device in the preferred language, facilitating work.
Secure access to all controller parameters is guaranteed by
3 preconfigured password levels (Operator, Maintenance
technician and OEM manufacturer). In this way, each user
can only access the assigned functions and parameters.
You can connect the controller to the factory HMI/SCADA
network by using standard Modbus TCP (Ethernet) con-
nectivity.
Complete controller configuration is facilitated by use of the
PC programming tool GF_express, which proposes intuitive
Wizard pages, permitting easy construction of customized
graphic pages and advanced logic.
2850T
3,5"
6
0
8
200
200
25
50
100 × 100 mm
80703B_MHW_2850T/3850T_02-2019_ENG
3850T
7"
10
3
16
250
200
50
50
198 × 134.4 mm