GE Industrial Solutions 6KCV301DGF - Manual (Page 8)

—————— Digital General Function Card —————— 8
GEI-100430
MEMORY MAP
FLASH EPROM
DPRAM
SRAM
FFFF:FH
8000:0H
4800:0H
4000:0H
0000:0H
Figure 1.2.1.1: 6KCV301DGF memory map
The flash EPROM boot-block programming is done once at time of manufacture.
Thereafter, all the software is downloaded using the boot code and the serial link.
The firmware is loaded starting from the first main block (8000:0H) while the data
block will be used to save parameters and block information.
DGFC-386: FLASH MEMORY MAP
BOOT BLOCK
FFFF:FH
FC00:0
FA00:0
F800:0
E000:0H
C000:0H
A000:0H
8000:0H
DATA BLOCK 2
DATA BLOCK 1
MAIN BLOCK 3
MAIN BLOCK 2
MAIN BLOCK 1
MAIN BLOCK
Figure1.2.1.2: 6KCV301DGF flash Eprom memory map
1.2.2 SERIAL LINE RS-485
The RS-485 interface allows data transfer using a two-wire twisted conductor with
shield. The transfer rate is 9.6 Kbaud. The serial link circuit is the same of the drive.
For download applications programs directly to the RS485 port, use a 6KCV300CTI
and a standard 9 pin m/f cable.A 9-socket female connector allows communication
with an external device in a multidrop configuration. The serial link may be used either
with or without signal isolation. When using signal isolation an external power supply
is necessary for 5V. This is the default configuration. The configuration without signal
isolation is possible only with short connections and with HIBS during the card