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YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
Page 37 NJEX 8300 ver.092001 ATEX Rev.
SSSSS
ECTION ECTION
ECTION ECTION ECTION
66666::::: P P P P P
R RR
R ROGRAMMING
OGRAMMING
OGRAMMING OGRAMMING OGRAMMING
FOR FOR
FOR FOR FOR
P P P P P
R RR
R ROPOR
OPOR
OPOR OPOR OPORTION
TION
TION TION TIONAL
AL
AL AL AL
-----
TTTTTO O
O O O
-----TTTTT
IME IME
IME IME IME
O O O O O
PERA PERA
PERA PERA PERATION
TION
TION TION TION
To set the alarm to call out delay time ,
figure 70
,
press and release the Select key. The Alarm to Callout
Dly value will begin to flash when chosen. Use the Up
Arrow key to increase the value and the Down Arrow
key to decrease the value. When a new value has been
chosen, press the
Enter key to store the value.
MODBUS Address
In Modbus Protocol, each piece of equipment that will
be polled for information must be assigned a Slave I.D.
address, to allow the SCADA or other Host device to
properly address the device to be polled for information.
This parameter is to program the odorizer's Modbus
address. Any address from 1-247 may be programed. If
0 is programed this function will be disabled,
figure 71 .
Note:
the Modbus address is also used as the Sentry4 I.D.
MODBUS Parameters
(Not required unless MODBUS is utilized)
There are 4 items of information that may be entered on
this screen. They are baud, parity, framing mode, comm
port designation,
figure 72.
• 1st press the Enter / Select key and the baud rate
window will begin to flash. Next use the Up Arrow or
Down Arrow key to increment the value to the
required baud rate of your Modbus system. Available
baud rates are 1200, 2400, 4800, and 9600.
• Next press the Enter / Select key and the parity
window will begin to flash. Next use the Up Arrow or
Down Arrow key to increment the value to the
required parity of your Modbus system. Parity options
are odd, even, and none.
• The 3rd pressing of the Enter / Select key will bring
you to the framing mode window will begin to flash.
Next use the
Up Arrow or Down Arrow key to
increment the value to the required framing mode of
your Modbus system. Available options are: RTU or
ASCII.
• The final time you press the Enter / Select key, the
comm port selection can be made. The N-300 has two
comm ports. Use the
Up Arrow or Down Arrow key
to increment the value to select one of three options:
Figure 70
Figure 71
Select
Enter
Select
Enter
Figure 72
Select
Enter
pmp bat vmtr sig tnk
MODBUS Parameters
9600,N,RTU Comm=1.
pmp bat vmtr sig tnk
MODBUS Address
1 Device Address
pmp bat vmtr sig tnk
Alarm to Callout Dly
0 minutes