Instruction manual

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5 7 Remote Set Point5 7 Remote Set Point
An on-line multiple zone oven is used to dry paint. Since heat demand is
various at different positions in the production line, multiple zones with
individual controls should be used to ensure a consistent temperature
profile.
If you order a ETR-3400 with a retransmission unit for the master controller,
and retransmit its set point to the input 2 of the rest of slave controllers,
each zone will be synchronized with the same temperature. Here is an
example:
An on-line multiple zone oven is used to dry paint. Since heat demand is
various at different positions in the production line, multiple zones with
individual controls should be used to ensure a consistent temperature
profile.
If you order a ETR-3400 with a retransmission unit for the master controller,
and retransmit its set point to the input 2 of the rest of slave controllers,
each zone will be synchronized with the same temperature. Here is an
example:
To Control
Zone 1 Heater
To Control
Zone
1 Heater
To Control
Zone 2 Heater
To Control
Zone
2 Heater
To Control
Zone 3 Heater
To Control
Zone
3 Heater
To Control
Zone 4 Heater
To Control
Zone
4 Heater
Master
Slave Slave Slave
13 12 10 10 10
11 11 11
+ + + +
Figure 5.12Figure 5.12
Remote Set Point
Application
Remote Set Point
Application
Set the following parameters in the setup menu:Set the following parameters in the setup menu:
Note: AOHI and IN2H should be set with values higher than the set point range used.Note: AOHI and IN2H should be set with values higher than the set point range used.
For master unit
FUNC= FULL
COMM= 1 5 V
AOLO= 0 F
AOHI = 300 F
PVMD= PV1
SPMD= SP1.2
For master unit
FUNC=
FULL
COMM=
1 5 V
AOLO=
0F
AOHI
= 300 F
PVMD=
PV1
SPMD=
SP1.2
92
OUT1 OUT1 OUT1 OUT1
For slave units
FUNC= FULL
IN2= 1 5 V
IN2L= 0 F
IN2H= 300 F
PVMD= PV1
SPMD= PV2
For slave units
FUNC=
FULL
IN2=
1 5 V
IN2L=
0F
IN2H=
300 F
PVMD=
PV1
SPMD=
PV2
O1
O2
A1
F
ETR-3400 ETR-3400 ETR-3400 ETR-3400