Omega CN76000, Manual

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if the Pr if the Pr if the Pr if the Pr if the Process ocess ocess ocess ocess V V V V Value does not fir alue does not fir alue does not fir alue does not fir alue does not first dr st dr st dr st dr st drop belo op belo op belo op belo op below the high alarm setting. w the high alarm setting. w the high alarm setting. w the high alarm setting. w the high alarm setting. Do not use the Do not use the Do not use the Do not use the Do not use the
Alarm Inhibit f Alarm Inhibit f
Alarm Inhibit f Alarm Inhibit f Alarm Inhibit feature if a hazar
eature if a hazar
eature if a hazar eature if a hazar eature if a hazard is created b
d is created b
d is created b d is created b d is created by this action.
y this action.
y this action. y this action. y this action. Be sure to test all
Be sure to test all
Be sure to test all Be sure to test all Be sure to test all
combinations of high and lo combinations of high and lo
combinations of high and lo combinations of high and lo
combinations of high and low alarm inhibit actions bef w alarm inhibit actions bef
w alarm inhibit actions bef w alarm inhibit actions bef
w alarm inhibit actions before placing contr ore placing contr
ore placing contr ore placing contr
ore placing control into ol into
ol into ol into
ol into
operation. operation. operation. operation. operation.
SECURE MENU (cont'd)
SECURE MENU (cont'd) SECURE MENU (cont'd) SECURE MENU (cont'd) SECURE MENU (cont'd)
The f The f The f The f The follo ollo ollo ollo ollowing Secure men wing Secure men wing Secure men wing Secure men wing Secure menu items appear onl u items appear onl u items appear onl u items appear onl u items appear only if the instrument has the alarm option. y if the instrument has the alarm option. y if the instrument has the alarm option. y if the instrument has the alarm option. y if the instrument has the alarm option.
A L A L
A L A L
A L Alarms: Select O F F O F F
O F F O F F
O F F, ,
, ,
, Lo, Lo,
Lo, Lo,
Lo, Hi Hi
Hi Hi
Hi, or HiLo. HiLo.
HiLo. HiLo.
HiLo.
O F F O F F O F F O F F O F F Alarms are turned OFF. No Alarm menu items appear in the Secondary and
Secure menus.
Lo Lo
Lo Lo
Lo Low Alarm Only. ALLo appears in the Secondary Menu.
Hi Hi Hi Hi Hi High Alarm Only. ALHi appears in the Secondary Menu.
HiLo HiLo HiLo HiLo HiLo High and Low Alarm s. Both share the same Alarm Relay output.
ALt ALt ALt ALt ALt Alarm Type: Select A b S A b S A b S A b S A b S or dE dE dE dE dE
A b S A b S A b S A b S A b S Absolute Alarm that may be set anywhere within the values of SPL and SPH
and is independent of SP1.
dE dE dE dE dE Deviation Alarm that may be set as an offset from SP1. As SP1 is changed
the Alarm Point will track with SP1.
ALrE ALrE ALrE ALrE ALrE Alarm Reset: Select O n O F O n O F O n O F O n O F O n O F or Hold. Hold. Hold. Hold. Hold.
O n O F O n O F O n O F O n O F O n O F Automatic Reset.
Hold
Hold
Hold Hold Hold Manual Reset. Acknowledge by simultaneously pressing the INDEX
INDEX
INDEX INDEX INDEX &
D O D O
D O D O
D OW N A R R W N A R R
W N A R R W N A R R
W N A R RO O
O O
O W W
W W
W keys for 5 seconds.
ALPi ALPi
ALPi ALPi ALPi Alarm Pow er Interrupt: Select O n
O n
O n O n O n or OFF
OFF
OFF OFF OFF. This resets an alarm on pow er on if no
alarm is present.
O n
O n O n O n O n Alarm Pow er Interrupt is ON. Alarms will reset at pow er on.
O F F O F F
O F F O F F O F F Alarm Pow er Interrupt is OFF. Alarms will not reset.
ALiH ALiH ALiH ALiH ALiH Alarm Inhibit: Select On On On On On or O F F O F F O F F O F F O F F.
O n O n
O n O n O n Alarm Inhibit is ON. Alarm action is suspended at pow er up or after reset until
the process value first enters a non-alarm condition.
O F F O F F O F F O F F O F F Alarm Inhibit is OFF. Alarm action is not suspended.
ALSt ALSt
ALSt ALSt
ALSt Alarm Output State: Select C L O S C L O S
C L O S C L O S
C L O S or OPEn. OPEn.
OPEn. OPEn.
OPEn.
C L O S C L O S C L O S C L O S C L O S Closes Contacts at Alarm Set Point.
O P E n
O P E n
O P E n O P E n O P E n Opens Contacts at Alarm Set Point.
ALLP ALLP ALLP ALLP ALLP Alarm Lamp: Select O on O on O on O on O on or OoFF OoFF OoFF OoFF OoFF. . . . .
O on O on
O on O on O on Alarm Lamp is ON when alarm contact is closed.
OoFF OoFF
OoFF OoFF
OoFF Alarm Lamp is OFF when alarm contact is closed.
ALbr ALbr
ALbr ALbr ALbr Alarm Loop Break: Select On
On
On On On or OFF
OFF
OFF OFF OFF.
O n O n
O n O n
O n Loop Break Condition will cause an Alarm Condition.
O F F O F F O F F O F F O F F Loop Break will not affect the Alarm Condition.
The f The f
The f The f
The follo ollo
ollo ollo
ollowing Secure men wing Secure men
wing Secure men wing Secure men
wing Secure menu items appl u items appl
u items appl u items appl
u items apply onl y onl
y onl y onl
y only to Options. y to Options.
y to Options. y to Options.
y to Options. The The
The The
They ma y ma
y ma y ma
y may not appear in y y not appear in y
y not appear in y y not appear in y
y not appear in your our
our our
our
instrument. instrument. instrument. instrument. instrument.
SPSA Set Point Select Action (948): Select rE or Int .
rE Remote (external) selection of active set point value.
Int Internal selective of active set point value.
Addr Control Address (992): Set from 1 to FF. This number (hexadecimal, base 16) must match
the address number used by the host computer.
bAUd Communications baud rate (992): Select 300, 1200, 2400, 4800, 9600, 19.2, 28.8, or
57.6. This number must match the baud rate used by the host computer. The data format
is 8 bits, 1 stop bit, No parity.
nAt No Activity Timer (992): Select OFF to 99. If a number is set, the control will expect access
by the host computer. If no access is detected within that time, the control will indicate