Westermo AD-01 User Manual
Page 9
9
6612-2202
Master
Screw
terminal
Direction Desctiption
No 4
In/Out
M-Bus connection
No 5
In/Out
M-Bus connection
METER BUS
Slave
Screw
terminal
Direction Description
No. 1
In/Out
M-Bus connection
No. 2
In/Out
M-Bus connection
Master
Screw
terminal
Direction
(DTE)
Description
No. 6
–
signal ground (sG)
No. 7
Out
Data terminal ready (DTR)*
No. 8
In
Receive Data (RD)
No. 9
Out
Transmit Data (TD)
*) DsR / DTR is always +5 V
Slave
Screw
terminal
Direction
(DCE)
Description
No. 1
–
signal ground (sG)
No. 2
Out
Data set ready (DsR)*
No. 3
In
Transmit Data (TD)
No. 4
Out
Receive Data (RD)
RS-232/V.24 for M-Bus protocol
Slave
Connection
Direction
(DCE)
Description
D-sub
description
No. 2
Out
Receive data (RD)
No. 3
In
Transmit data (TD)
No. 5
–
signal Ground (sG)
1
2
3
4
5
6
7
8
9
RS-232/V.24
Power
Connection Description
L
Power 230V AC ±10%
N
Power 230V AC ±10%
Protective earth