ATR 421 - User manual
33
9.2
Master and remote setpoint
ATR421-12ABC-T includes a simplifi ed Master mode allowing operation with
other programmers ATR421-12ABC-T or with controllers ATR401-22ABC-T.
Setting
mstr
on parameter 77
rem.s.
controller transmits in broadcast (ad-
dress 0) its status (start/stop) and the control setpoint.
Following table shows all data:
Modbus Address
Description
5000
Controllers status:
0
= Controller in stop
1
= Controller during initial waiting
2
= Controller in start
5001
Setpoint remote
Setting
sLue
on parameter 77
rem.s.
controller is normally in stop mode; it
goes in start when the master device on the serial line starts a cycle.
10
Confi guration for installer
To accede confi guration parameters it is necessary to
Stop
the controller.
Press
Display
Do
1
PRG
M
Red display shows cycle
selection.
2
Increase until visualize
conf
.
3
OK
On green display appears
0000
with 1st digit fl ashing,
while red display shows
pass
.
4
+
Flashing digit of green display
changes.
Enter password
1234
.
5
OK
Green display shows the fi rst
parameter while red display
shows the value.
6
Allows to switch from mne-
monic to numeric parameter
visualization (and vice versa).
Summary of Contents for ATR 421
Page 1: ...ATR 421 Controller Regolatore User manual Manuale d uso...
Page 2: ......
Page 106: ...106 ATR 421 Manuale uso...
Page 107: ......