ATR 421 - User manual 35
ATR421 - 12ABC-T
Command Alarm 1 Alarm 2 Alarm 3
c.uaL.
Q1 3-5 (open)
 4-5 (close)
Q2 SSR AO1 (V)
c.ss r
SRR Q2 Q1 AO1 (V)
c.4.20
4...20mA Q2 Q1 SSR
c.0.20
0...20mA Q2 Q1 SSR
c.0.10
0...10V Q2 Q1 SSR
2  sen.  Sensor: Analogue input 1 con guration.
 tc. k  Tc-K: -260..1360°C >Default
tc. s  Tc-S: -40…1760°C
tc. r  Tc-R: -40…1760°C
tc. j  Tc-J: -200…980°C
tc. e  Tc-E: -260…740°C
tc. n  Tc-N: -260…1280°C
pt  PT100: -200…600°C
0-10  0…10Volt
0-20  0…20mA
4-20  4…20mA
spu  Setpoint (setpoint value is visualized as process)
3  d.p. Decimal Point: Selects type of visualized decimal point.
0 > Default
0.0
0.00
0.000
4  Lo L.i .  Lower Linear Input: AI1 lower limit range, only for linear.
  -999…+9999 [digit
4
]. Default: 0.
5  up.L.i.  Upperr Linear Input: AI1 upper limit range, only for linear.
  -999…+9999 [digit
4
]. Default: 1000.
4 
The display of the decimal point depends on the setting of parameters Sen. and d.p.