Variant "2": One Controlled Group And Up To Three Switched Groups - Helios EUR EC Instructions D'installation Et D'utilisation

Installation and Operating Specification EUR EC
Example version "1": Two controlled groups
Analog
MODBUS
In
Master
Analog Out Analog Out
A1 A2
2A 5A
0 – 10 V 0 – 10 V
Analog Analog
In In
Controller Controller
Slave Slave
0...100 % 0...100 %
M M
G1 G2
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v_2nd_gr_analog_cxe_master.vsd
Second Group over analog out-
put
Function
If the modulation level of the controller exceeds the switch-
on point of group 2 (On Value Group2), group 1 is reduced
to "n-min at Group2". From here on both groups run parallel
at maximum power.
If group control is activated (Function =
the output curve of group 1 is automatically increased by
factor 1.4 (gradient without group control = 1).
9.8.9.2

Variant "2": One controlled group and up to three switched groups

The programming described below applies equally for group control by analogue outputs, relay
outputs and MODBUS.
For group control by the analogue outputs "A1" / "A2" and the relay outputs "K1" and "K2", the
available outputs must be observed in the selection of the version (combinations are possible).
Example: Required assignment for a controlled and a switched group
For activation by analogue output (see IO Setup) or MODBUS (see MODBUS Master)
•
– Function
– Function
For activation of Group 2 by relay (see IO Setup)
•
– Function
– Function
The function
groups.
The function
groups.
Controller Setup
50 %
Group 2 ON value
Controller Setup
45 %
OFF Value Group2
L-BAL-E274-GB 1914 Index 003
Analog
In
MODBUS
Master
1A (1D+), 1B (D-)
2A 5A
MODBUS
A (D+) A (D+)
B (D-) B (D-)
Controller Controller
Slave Slave
0...100 % 0...100 %
M M
G1 G2
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v_2nd_gr_modbus_cxe_master.vsd
Second Group over MODBUS
output
| |
5A ) the gradient of
| |
A for group 1 (0 - 100 % controlled)
| |
5A for group 2 (0 / 100 % switched)
| |
A for group 1 (0 - 100 % controlled)
| |
8K for group 2 (ON / OFF switched)
| |
11A must be allocated additionally to Group 3 for one controlled and two switched
| |
12A must be allocated additionally to Group 4 for one controlled and three switched
Group 2 ON value
Switch-on value for Group2
Setting range: 0 - 100 %
Factory setting: 50 % *
OFF Value Group2
Switch-off value for group2
Setting range: 0 - 100 %
Factory setting: 45 % *
100
90
G 1
80
Analog / MODBUS Out
@ G1 = 2A
G2 ON = 50 %
70
60
50
40
30
20
G2 OFF = 45 %
10
0 10 20 30 40 50
MODBUS Out: speed setting over MODBUS
Analog Out: speed setting over analog output 0 - 10 V
G1: Group 1
G2: Group 2
S: Modulation level of the controller in %
G 2 ON: Group 2 ON value
G2 OFF: OFF Value Group2
nmin @ G2: nmin at Group2
Analog / MODBUS Out Standard: Diagram wihout group control
Part.-No.
53/117
Programming
Analog / MODBUS Out
2A = Standard
G 2
Analog / MODBUS Out
@ G2 = 5A
nmin @ G2 = 20 %
60 70 80 90 100
0...100 %
v_cxe_2nd_group_analog_modbus_dia.vsd
S
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