HRW HPE-MRBN V401 Manual 170912 E. & O. E. / Subject to change without notice
Page 7 of 15
Modbus Configration Commands
Function
Enter
Result
Options /
Comments
Start
communication
TTTTT(TTT…)
Break in to Terminal mode
With the Caps Lock on, hold the T key down
until the screen updates with HPE data. It is
not necessary to press the enter key to start
communication.
Set node address
1000=1…98,
100…247
Network node number is
assigned
Example: 1000=1
Node address 99 is not allowed
Set RS485
network baud
rate
1001=…
Network comms speed is
set
2400, 4800,
9600
, 19200, 38400, 57600,
76800
Example: 1001=38400
After changing comm. speed it will be
necessary to reconnect with HyperTerminal
at the new comm. speed to save (write) the
change!
Zero the Reset
counters
1=0
All Reset counters are
zeroed
Factory diag. In order as displayed:
Rx timeout, Tx timeout, Hardware reset
Zero the BACnet
comms error
counter
2=0
BACnet comms error
counter is reset
Example: 2=0
Zero the M-Bus
comms error
counter
3=0
M-Bus comms error counter
is reset
Example: 3=0
Write values as
default
W
Changes written.
Always do this after making changes that
you wish to be permanent
Exit
communication
X
Communication with
HyperTerminal no longer
active
Auto X after 240sec without key entry. After
eXit unplug the HPECOM cable to allow
network communication to take place