Instruction manual

5 12 Retransmit5 12 Retransmit
An air-conditioned room uses two units of an ETR-3400 to control its
temperature and humidity. The temperature and humidity need to be recorded
on a chart recorder. The required ranges for these two quantities are: 20 F to
30 F and 40% RH to 60% RH. The recorder inputs accept0-5Vsignal.
An air-conditioned room uses two units of an ETR-3400 to control its
temperature
and humidity. The temperature and humidity need to be recorded
on
a chart recorder. The required ranges for these two quantities are: 20 F to
30 F
and 40% RH to 60% RH. The recorder inputs accept 0 - 5 V signal.
To achieve this, set the following parameters in the Setup menu.To achieve this, set the following parameters in the Setup menu.
UNIT 1:UNIT 1: UNIT 2:UNIT 2:
FUNC= FULL
COMM=0-5V
AOFN=PV1
AOLO=20.0 ( F)
AOHI= 30.0 ( F)
IN1= PTDN
IN1U= F
DP1= 1-DP
FUNC= FULL
COMM=
0 - 5V
AOFN=PV1
AOLO=20.0
(F)
AOHI=
30.0 (F)
IN1=
PTDN
IN1U=
F
DP1=
1-DP
FUNC= FULL
COMM=0-5V
AOFN=PV1
AOLO=40.0 (%)
AOHI= 60.0 (%)
IN1=0-1V(According to humidity sensor )
IN1U= PU
DP1= 1-DP
FUNC= FULL
COMM=
0 - 5V
AOFN=PV1
AOLO=40.0
(%)
AOHI=
60.0 (%)
IN1=
0 - 1 V (According to humidity sensor )
IN1U=
PU
DP1=
1-DP
1. 20-30 F 2. 40-50%1. 20-30 F 2. 40-50%
Chart RecorderChart Recorder
0-5V0 - 5 V 0-5V0 - 5 V
+ +
Retransmission OutputRetransmission Output
12 13 13
%RH
F
SP1= 25.0
SP1L= 20.0
SP1H= 30.0
SP1= 25.0
SP1L=
20.0
SP1H=
30.0
SP1= 50.0
SP1L= 40.0
SP1H= 60.0
SP1= 50.0
SP1L=
40.0
SP1H=
60.0
Figure 5.18Figure 5.18
Retransmission ApplicationRetransmission Application
SP1L and SP1H are used to limit the adjustment range of set point.SP1L and SP1H are used to limit the adjustment range of set point.
O1
O2
A1
F
O1
O2
A1
F
12
ETR-3400 ETR-3400