2Specifications are subject to change without notice (30.11.00)
Dupline®is a registered trademark. A product of the CARLO GAVAZZI Group
Mode of Operation
The Dupline
®
Master Module
(DMM) controls a 3-wire bus
with signal, DC-power and
common GND. The DMM is
connected to a standard DC-
supply, which it synchronizes
with the Dupline
®
carrier signal
before it is output to supply.
The synchronization is neces-
sary in order to enable the
Dupline
®
and DC-supply to
share the GND-wire.
The Dupline
®
Master Module is
a Dupline
®
Channel Generator
with the function of a master.
This means that the 128
Dupline
®
I/0’s will be read/writ-
ten by the DMM and then
sentto the PLC.
The DMM can run in two dif-
ferent modes – Normal mode
and split I/O mode. In Normal
mode, Dupline
®
operates as a
peer-to-peer system, where
the channel generator auto-
matically establishes a con-
nection between Dupline
®
inputs and Dupline
®
outputs
which are coded to the same
Dupline
®
address. If e.g. an
input coded for B5 is activat-
ed, the output(s) coded for B5
will also be activated.
Consequently, a Dupline
®
-out-
put can either be activated
through the output-data
received on DMM or by an
active Dupline
®
input coded
for the same Dupline
®
-
address. In "Split I/O" mode,
the channel generator treats
the Dupline
®
inputs and
Dupline
®
outputs indepen-
dently. If e.g. an input coded
for B5 is activated, the DMM
will make the information avail-
able for the PLC (like in normal
mode), but it will not automati-
cally activate the Dupline out-
put(s) coded to B5. The
Dupline
®
outputs are con-
trolled exclusively through the
output data received from the
PLC. In this mode, up to 128
Dupline
®
inputs and 128
Dupline
®
outputs are available,
since an input and an output
coded to the same Dupline
®
address can operate indepen-
dently.
G 3496 0007
Dip-Switch Setting
Sw.3 On: Communication on Datalink address 4 and 5
Off: Communication on Datalink address 6 and 7
Sw.4 On: Split I/O Channel Generator Mode
Off: Normal Dupline
®
Monostable Channel
Generator Mode
Sw.5 On: 64 Dupline
®
channels
Off: 128 Dupline
®
channels
Sw.6 On: Maintain data to Dupline
®
receivers in case of
communication failure
Off: Clear data to Dupline
®
receivers in case of
communication failure after 75 Dupline
®
scans
Memory Mapping
Dupline
®
Schneider, Teleme- Dupline
®
Schneider, Teleme-
Channel canique & Modicon Channel canique & Modicon
Read Write Read Write
A1 MW0: X0 MW8: X0 E1 MW2: X0 MW10: X0
A2 MW0: X1 MW8: X1 F1 MW2: X8 MW10: X8
A3 MW0: X2 MW8: X2 G1 MW3: X0 MW11: X0
A4 MW0: X3 MW8: X3 H1 MW3: X8 MW11: X8
A5 MW0: X4 MW8: X4 I1 MW4: X0 MW12: X0
A6 MW0: X5 MW8: X5 J1 MW4: X8 MW12: X8
A7 MW0: X6 MW8: X6 K1 MW5: X0 MW13: X0
A8 MW0: X7 MW8: X7 L1 MW5: X8 MW13: X8
B1 MW0: X8 MW8: X8 M1 MW6: X0 MW14: X0
B8 MW0: X15 MW8: X15 N1 MW6: X8 MW14: X8
C1 MW1: X0 MW9: X0 O1 MW7: X0 MW15: X0
D1 MW1: X8 MW9: X8 P1 MW7: X8 MW15: X8
Table of the memory mapping to the PLC