Siemens LMV5 Series Technical Instructions

LMV Series Technical Instructions
Document No. LV5-10
00
SCC Inc. Page 15 Section 8
RS-232 – RS-485 Converter
This converter converts a V.24 / RS-232 port into an RS-485 port.
Technical Requirements
• Code transparency, that is, data must remain unchang
ed
• When using the RS-485 interface as a bus, control of the transmitting section on the RS-485 side
must be ensured by the transmitter power of the AZL…
• The interfaces must be galvanically separated to improve EMC
Available Converter (SCC Part Number K3SC-10-AC100-240)
RS-232 to Converter Wiring
AZL COM2
(RJ45 Connection)
RS
-
232
–
RS
-
485 Converter
(K3SC-10-AC100-240)
Terminal Number
Description
Terminal Number
Description
1
TxD
5
SD
3
RxD
6
RD
4
GND
3
SG
Converter to RS-485 Wiring
RS
-
232
–
RS
-
485 Converter
(K3SC-10-AC100-240)
RS
-
485 Field Connection
Terminal Number
Description
Description
1
2
SDB(+)
RS
-
485(+)
9
SDA(
-
)
RS
-
485(
-
)
7
SG
Signal ground
Dip switch settings
The following dip switch settings are necessary to
program the RS-232 to RS-485 converter for a 19,200
Baud rate, 8 data bits, 1 stop bit, no parity, and no echoback.
1: ON
2: OFF
3: ON
4: ON
5: ON
6: OFF
7: ON
8: OFF
9: OFF
10: OFF
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Siemens LMV5 Series Specifications

General

Brand	Siemens
Model	LMV5 Series
Category	Control Systems
Language	English