Omega Engineering CN 79000 Thermostat User Manual


 
Page 25 of 40
address
1717
1717
17
and Zone 2 is assigned to address
1818
1818
18
). To
change this parameter, see
AddrAddr
AddrAddr
Addr
in the Secure Menu.
SECURE MENU
Hold UP ARROW & ENTER for 5 Seconds. Press INDEX to advance
to the next menu item. Press UP ARROW or DOWN ARROW to
change the value in the display. Press ENTER to retain the value.
OUTPUTS ARE DISABLED (TURNED OFF) WHILE THE INSTRU-
MENT IS IN SECURE MENU.
If
EditEdit
EditEdit
Edit is set to
00
00
0, begin.
If
EditEdit
EditEdit
Edit is set to
11
11
1 or
33
33
3, jump to
SEC1SEC1
SEC1SEC1
SEC1 on page 26.
If
EditEdit
EditEdit
Edit is set to
22
22
2, jump to
SEC2SEC2
SEC2SEC2
SEC2 on page 29.
Note: There are no standard menu items for the Secure Menu
when
EditEdit
EditEdit
Edit is set to
00
00
0.
AddrAddr
AddrAddr
Addr
(Option C4, Serial Communications) Control Address: Select
from
11
11
1
to
3FE3FE
3FE3FE
3FE
. This number (hexadecimal, base 16) must match
the address number used by the host computer. The value
displayed is for Zone 1. The address for Zone 2 is the value for
Zone 1 plus one (e.g. if
AddrAddr
AddrAddr
Addr
is set to
1717
1717
17
, Zone 1 is assigned to
address
1717
1717
17
and Zone 2 is assigned to address
1818
1818
18
). Addresses
100100
100100
100
,
200200
200200
200
, and
300300
300300
300
are reserved for Factory use.
bAUdbAUd
bAUdbAUd
bAUd
(Option C4, Serial Communications) Communication Baud
Rate: Select
300300
300300
300
,
12001200
12001200
1200
,
24002400
24002400
2400
,
48004800
48004800
4800
,
96009600
96009600
9600
, or
192192
192192
192
00. This
number must match the baud rate used by the host computer.
nAtnAt
nAtnAt
nAt
(Option C4, Serial Communications) No Activity Timer:
Set from
OFFOFF
OFFOFF
OFF
or
11
11
1
to
9999
9999
99
minutes.
11
11
1
-
9999
9999
99
Maximum time between host computer accesses.
If timer counts to 0,
CHECCHEC
CHECCHEC
CHEC
LorELorE
LorELorE
LorE
will be displayed.
OFFOFF
OFFOFF
OFF
No Activity Timer function is disabled.
End of Secure Menu when
EditEdit
EditEdit
Edit is set to
0 0
0 0
0.