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80960G_MHW_GTF_05-2019_ENG
1.3  Preliminary instruction
Read  the  following  preliminary  instructions  before 
installing  and  using  the  GTF  modular  power 
controller.  This  will  make  start-up  faster  and 
avoid  some  problems  that  could  be  mistakenly 
interpreted  as  malfunctions  or  limitations  of  the 
controller
Immediately  after  unpacking  the  unit,  check  the  order  code 
and  the  other  data  on  the  label  attached  to  the  outside  of  the 
container.
Write them on the following table.
This  data  must  always  be  available  and  given  to  Gefran 
Customer  Care  representatives  are  available  if  technical 
service is needed. 
SN (Serial number)
CODE
(Product code)
TYPE
(Order code)
SUPPLY
(Power Supply)
VERS
(Firmware version)
Check  that  the  controller  is  in  perfect  condition,  was  not 
damaged during shipment, and that the package also contains 
the “Configuration and Programming” manual.
Immediately report any errors, shortages, or signs of damage to
your Gefran dealer.
Check that the order code matches the configuration requested
for  the  intended  application  by  consulting  the  section: 
“Technical-Commercial Information.”
Example
GTF 90 480 0 1 0 M
Model
Nominal current
Nominal voltage
Control option, Absent
Diagnostic option: HB
Fuse: absent
Serial Modbus
See paragraph 2.1 “ Dimensions and mounting” before installing
the GTF on the machine/host system control panel.
To configure the PC use the SW Gefran GF-Express kit and the 
relative connection cable.
For  the  order  code,  see  Section:  “Technical-Commercial 
Information”.
Users and/or system integrators who want detailed
information on serial communication between
Gefran standard and/or industrial PCs and Gefran
Programmable Instruments can access Technical
Reference  Documents  on  serial  communication 
and  MODBus  protocol,  etc.,  in  Adobe  Acrobat 
format on the Gefran website www.gefran.com:
  • Serial Communication
  • MODBus Protocol
Before calling Gefran Customer Care in case of assumed mal-
functions, please see the Troubleshooting Guide in the “Mainte-
nance” section and, if necessary, the F.A.Q. (Frequently Asked 
Questions) section on the Gefran website www.gefran.com