Net Safety Monitoring Inc
Modbus Controller & 4-20 Fire Head
9
S
ELECT
D
ISPLAY
L
ANGUAGE
Step 1:
Wait for
Select Display Language YES?
to display. Press
the Calibration Button or use the Reed Switch to select.
The flashing
YES
confirms the selection.
Step 2:
When the required language displays (
English
,
Espanol
,
Francais
) press the Calibration Button or use the Reed Switch to
select.
The flashing
YES
confirms the selection.
Note:
Factory default is English.
M
ODBUS
O
PTIONS
The digital RS-485 Modbus RTU protocol is used. There are two Modbus
options: Node Address and Baud Rate.
Note:
When a modbus option is changed, the message
BUSY
will display for a
few seconds while the unit is updated.
Node Address
Each device connected to the chain must be assigned a unique node address.
The last number of the address is selected first.
Step 1:
When
Modbus Setup? YES?
displays press the Calibration
Button or use the Reed Switch to select.
The flashing
YES
confirms the selection.
Step 2:
The current node address will display
Node: 000
.
Step 3:
Wait for the prompt
New Address? YES?
and press the
Calibration Button or use the Reed Switch to select.
Step 4:
Use the Calibration Button or Reed Switch to select each of three
numbers in the new address:
- select the last number in the address first:
0
thru
9
.
- select the next number in the address:
0
thru
9
.
- select the first number in the address last:
0 1 2
.
Baud Rate
The transmission speed must be defined.
Step 1:
When
Modbus Setup? YES?
displays press the Calibration
Button or use the Reed Switch to select.
The flashing
YES
confirms the selection.
Step 2:
After setting the Node Address, the current Baud Rate will display
XX.X BPS
.
Step 3:
Wait for the prompt
New Baud Rate? YES?
and press the
Calibration Button or use the Reed Switch to select.
Step 4:
The available baud rates will display:
2400s
,
4800s
,
9600s,
14.4s
,
19.2s
,
28.8s
,
38.4s
,
57.6s
.
Step 5:
Use the Calibration Button or use the Reed Switch to select baud
rate when it displays.
Step 6:
The flashing
YES
confirms the selection.
R
ESET
Manual Reset
A Manual Reset may be required to clear a latched relay alarm. Simply place
and hold the magnet against the Reed Switch or press and hold the Calibration
Button for 3-5 seconds. The unit will return to normal operation.
Summary of Contents for MAN-0069
Page 2: ......
