Instruction Manual IGM402 Hornet
InstruTech
Page 40
5.8.6
SETUP COMMS
- BAUD RATE
[Factory default = 19200, 8, N, 1]
This sets the baud rate for the RS485 communications. The baud rate can be set to other values manually
using the front panel soft-keys.
- ADDR
[Factory default = 1]
This is the lower nibble of the one byte RS485 device address. Assuming the address offset (ADDR OFFSET)
is equal to 0, setting the ADDR to a 5 will make the address be 0x05 in hexadecimal. A 15 in decimal will set
the ADDR to 0x0F in hexadecimal.
- ADDR OFFSET
[Factory default = 0]
This is the upper nibble of the one byte RS485 address. Assuming the address (ADDR) is 0, setting the
address offset (ADDR OFFSET) to a 5 will make the address be 0x50 hexadecimal. Setting the offset to 16
will make the address be 0x10 hexadecimal (see following table).
┌ -----------------------------BINARY ADDRESS-----------------------------┐
ADDRESS
DECIMAL
┌ -------------------------------------ONE BYTE-----------------------------------┐
ADDRESS
HEXADECIMAL
(BINARY)
ADDR
OFFSET
┌Upper nibble┐
ADDR
┌Lower nibble┐
1
0 0 0 0
0 0 0 1
01
5
0 0 0 0
0 1 0 1
05
15
0 0 0 0
1 1 1 1
0F
16
0 0 0 1
0 0 0 0
10
- FORMAT
[Factory default = BINARY]
This program menu function allows a choice of RS485 serial communication protocol. The BINARY setting is
a binary protocol with CRC8 error checking capability used in the original IGM402 design. The ASCII setting
is for use with the InstruTech ASCII protocol format used in other product designs like the IGM401 Hornet
and the CVM201 Super Bee. We recommend using the
ASCII protocol
whenever possible. The BINARY
protocol is uncommon, difficult to use and not compatible with readily available PLCs.
5.8.7
SERVICE MENU
- INFO
This screen provides the installed firmware part number and version. For example, when this menu choice
is selected, a number such as ‘2444-100’ may be displayed. The firmware part number is ‘2444’ and the
version is ‘100’.
- OP TIME
This screen provides information on how long the unit has been powered on regardless of filament
operation.
