MB52XX Modbus Gateway
User Manual
Specifications
Mechanical
Dimensions
(
W x H x D, mm
)
MB5201: 65mm x 78mm x 28mm (without wall-mount part)
MB5201-TB: 88.5 x 78.3 x 27.8mm (with wall-mount part)
MB5201-DB: 88.5 x 84 x 27.8mm (with wall-mount part and DB9
connector)
MB5202: 85 mm x 77mm x 28 mm (without wall-mount part)
MB5202: 108 x 77mm x 28 mm (with wall-mount part)
Enclosure
IEC/EN60529 - IP30 protection, metal housing
Environmental
Temperature
Operations
-40°C ~ 70°C (-40°F ~ 158°F)
Storage
-40°C ~ 85°C (-40°F ~ 185°F)
Relative Humidity
5
%
~ 95
%
, 55°C Non
-
condensing
5.2
Serial port Pin Assignments
5.2.1
Pin Assignments for Serial Interfaces
DB9 to RS
-
232
/
RS-422/RS
-
485 connectors
Figure 5.1 DB9 Pin Number
Table 5.2 MB5201/MB5202 Pin Assignment for DB9 to RS
-
232
/
RS-422/RS
-
485 Connector
Pin#
RS
-
232
Full Duplex
RS-422/4-Wire RS-485
Full Duplex
2-Wire RS
-
485
Half Duplex
1
DCD
N/A
N
/
A
2
RxD
TXD+
Data
+
3
TxD
RXD+
N/A
4
DTR
N/A
N
/
A
5
SG
(
Signal Ground
)
SG (Signal Ground)
SG
(
Signal Ground
)
6
DSR
N/A
N
/
A
7
RTS
RXD-
N/A
8
CTS
TXD-
Data
-
9
RI
N/A
N
/
A
