Pixsys ATR244-12ABC Manual De Instalación página 50

Digital Input 4. Active when digital input 4 is active.
d.i. 4
Heater Break Alarm and Overcurrent Alarm
H.b.A.
Asymmetric band alarm (command setpoint + alarm setpoint 2 H and command
a.bAnd
setpoint - alarm setpoint 2 L).
Auxiliary for job distribution on the command output. It cyclically replaces the
c. aux
command output for the time set on the parameter 152
activated parallel to the command output. It does not work in case of valve control and
can only be activated on an alarm if
142 A.2.Pr. Alarm 2 Process (only on ATR244-23XX-T)
Selects the size related to alarm 2.
Value read on input AI1. (Default)
A.in.1
Value read on input AI2.
A.in.2
Arithmetic average of the value read on inputs AI1 and AI2 [(AI1+AI2)/2].
MEAn
Difference of the values read on inputs AI1 and AI2 (AI1-AI2).
diFF .
Module of the difference of the values read on inputs AI1 and AI2(|AI1-AI2|).
Ab.dif .
Sum of values read on inputs AI1 and AI (AI1+AI2).
SuM
143 A.2.r.c. Alarm 2 Reference Command (only on ATR244-23XX-T)
Selects alarm 2 reference command
Alarm referred to command 1. (Default)
cmd. 1
Alarm referred to command 2.
cmd. 2
144 A.2.5.o. Alarm 2 State Output
Alarm 2 output contact and intervention type.
(N.O. Start) Normally open, active at start (Default)
n.o. St.
(N.C. Start) Normally closed, active at start
n.c. St.
(N.O. Threshold) Normally open, active on reaching alarm
n.o. tH.
(N.C. Threshold) Normally closed, active on reaching alarm
n.c. tH.
(N.O. Threshold Variation) disabled after changing control setpoint
n.o.tH.V .
(N.C. Threshold Variation) disabled after changing control setpoint
n.c.tH.V .
145 rEs. Reserved
Reserved parameter.
146 a.2.Hy. Alarm 2 Hysteresis
Alarm 2 hysteresis
-9999..+9999 [digit
147 A.2.L.L. Alarm 2 Lower Limit
Lower limit selectable for the alarm 2 setpoint.
-9999..+30000 [digit
148 A.2.u.L. Alarm 2 Upper Limit
Upper limit selectable for the alarm 2 setpoint
-9999..+30000 [digit
149 a.2.re. Alarm 2 Reset
Alarm 2 contact reset type (always automatic if
Automatic reset (Default)
A. rEs.
Manual reset (manual reset by keyboard or by digital input)
M. rEs.
Stored manual reset (keeps the output status also after a power failure)
M.rEs.S.
Automatic reset with timed activation. The alarm remains active for the time set on the
A. rEs.t.
parameter 152
again, the alarm conditions must disappear.
50 - ATR244 - User manual
] (degrees for temp. sensors). Default 0.5.
1 p. 74
] (degrees for temp. sensors). Default 0.
1 p. 74
] (degrees for temp. sensors). Default 1750.
1 p. 74
, even if the conditions generating it are missing. To be able to act
a.2.de.
is different from 0.
A.2.de.
= ).
AL.2.F . c. Aux
. If
A.2.de. A.2.de.
2 p. 74
2 p. 74
3 p. 74
3 p. 74
= 0, it is