5.5.3 Setpoints
The remote setpoint always acts on the lower setpoint ("Heating"). The dead zone
(distance Seq1 and Seq4) remains as is so that the upper setpoint ("Cooling") is
shifted accordingly.
Functio
n principle
Cur
ren
t lower Comfort setpoint = Remote setpoint
"Comfort" setpoints
Current upper Comfo
rt setpoint = Remote setpoint + dead zone "Comfort"
The Economy setpoints are shifted also:
Economy setpoints
Curre
nt lower Economy setpoint =
Remote setpoint - (Comfort Setpoint low - Eco setpoint low)
Current upper Economy setpoint =
Remote setpoint - (Eco setpoint high – Comfort Setpoint low) or
Current lower Economy setpoint + dead zone = Economy
5.5.4 Connection diagram
Connect the setpoint adjuster according to the following diagram:
G
out
G
G0
MG1 X...
G0
R2
N1
3123A11
AC 24 V
(3)
GNGL
(2)(1)
X... M
G1
B3
B
MG
in
(4)
R2 Active setpoint adjuster BSG61.
5.5.5 Troubleshooting
When you exit the Commissioning menu, a check is made to see if the setpoint
adjuster is connected.
Message "[...X...] sensor error" is displayed if the setpoint adjuster is connected at
this point but missing later.
No. Text Effect
101…
264
[N.X1] sensor error…
RMZ788(2).X4 sensor error
Non-urgent message; must not be
acknowledged.
Fault messages
If there is no signal from the setpoint adjuster, the controller continues to work
with the internally set setpoints.
Notes
Only the first input is considered if more than one input is activated as remote
setpoint adjuster for the same controller.
39 / 216
Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Inputs 01.04.2010
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