Westermo AD-01 - 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