52 ATR 421 - User manual  
14  Summary of con guration parameters
Date: Model: ATR421-
Installer: Installation:
Notes:
1
c.out
Select type of command output
2
sen.
Analogue input AI1 con  guration AI1
3
d.p.
Select type of visualized decimal 
4
Lo .L.i .
AI1 range lower limit, only for linear
5
up.L.i.
AI1 range upper limit, only for linear 
6
o.cAL.
AI1 o set calibration 
7
G. caL.
AI1 gain calibration 
8
Lo .L.S.
Setpoint lower limit
9
up.L.s.
Setpoint upper limit 
10
deGr.
Degrees type selection 
11
tune
Autotuning type selection 
12
s.d.tu.
Deviation from command setpoint for manual 
tune
13
m.G.tu.
Max. gap for automatic tune 
14
mn.p.b.
Min. proportional band for automatic tune
15
ma.p.b.
Max. proportional band for automatic tune 
16
mn.i.t.
Min. integral time for automatic tune 
17
----
Reserved 
18
act. t.
Regulation type for command output
19
c. HY.
Hysteresis in ON / OFF or dead band in P.I.D.
20
p. b .
Proportional band
21
t.i.
Integral time
22
t.d .
Derivative time
23
t.c.
Cycle time
24
L.L. o . p.
Min. value for command output percentage 
25
u.Lo.p.
Max. value for command output percentage 
26
c. s. e.
Status of command output contact in case of 
error 
27
dGt.i.
Digital input functioning 
28
d.i.c.t.
Digital input contact 
29
ui . d .2
Red display in run visualization 
30
de.st.
Initial waiting