ZIEHL-ABEGG UNIcon MODBUS Master CXE/AV, Operating Instructions Manual, Page: 101 / 114

Digital inputs D1 and D2
Function Description
OFF
no function (factory setting)
Enable
(1D)
Enable (remote control) “ ON ” / “ OFF ”
External error
(2D)
External alarm indication
Limit
(3D)
“ Limit ” ON / OFF
In fl uences control circuit 1 and control circuit 2
E1 / E2
(4D)
Switch over input “ E1 ” / “ E2 ” (for operation with one control circuit)
Reset
(10D)
Complete re-start of the device
Max. Speed
(11D)
Setting Max. Speed “ ON ” / “ OFF ”
In fl uences the respectively set value “ 1. Max. Speed ” and “ 2. Max. Speed ” in operation
with two control circuits.
Override Time
(21D)
Overwrite timer function (in operation with timer)
For Mode Speed controller 1.01
Setpoint1/2
(5D)
Switch over
“
Set Intern1
”
/
“
Set Intern2
”
“ Setting External 1 ” must be at “ OFF ” .
Setpoint int./ext.
(6D)
Switch over “ Intern ” / “ Extern ”
For modes as controller higher 2.01
Setpoint1/2
(5D)
Switch over “ Setpoint 1 ” / “ Setpoint 2 ” for control circuit1
Setpoint int./ext.
(6D)
Switch over “ Intern ” / “ Extern ”
Possible only for operation with one control circuit!
Control/Manual
(7D)
Switch over “ automatic control ” / “ Speed manual ”
Possible only for operation with one control circuit!
Heating/Cooling
(8D)
Switch over control function (e.g. “ heating ” / “ cooling ” )
1.Setp+Pband1/2
(15D)
for control circuit 1: Switch over Setpoint 1/2 and Pband 1/1
When programming this function,
“
Setting
”
additionally lists the parameter:
“
1.Pband 1.
for control circuit 1
”
Only active in operation with a second control circuit
E1 / E2
(4D)
The output for control circuit 2 is set additionally to “ A2 ” to “ A1 ” (regardless of the
programmed function for
|
A1
|
). The fi rst control circuit has no output for the duration of
the switch over.
The switch over input
“ E1 ” / “ E2 ” as in operation with one control circuit is no longer
possible.
2. Setpoint 1/2
(9D)
for control circuit 2: Switch over “ Setpoint 1 ” / “ Setpoint 2 ”
2.Setp+Pband1/2
(16D)
for control circuit 2: Switch over Setpoint 1/2 and Pband 1/2
When programming this function,
“ Setting ” additionally lists the parameter: “ 2.Pband 2
for control circuit 2 ”
Operating Instructions UNIcon MODBUS Master
L-BAL-E207-GB 1723 Index 003 Part.-No.
101/114