Danfysik SYSTEM 9100 - Data Communication

MAGNET POWER SUPPLY SYSTEM 9100
36
DANFYSIK A/S - DENMARK.
3.3.2 Data communication
The SYSTEM 9100 uses the standard serial interface RS 232 which is compatible with many
computers and terminals. Beside RS232, SYSTEM 9100 supports RS422 and RS485.
The connectors for the serial interface ports “REMOTE CONTROL” and “LOCAL
CONTROL” are found at the back of the power supply.
Pin description for RS232 and RS422 for the connector DB25S at the back of the power supply
is as follow.
REMOTE CONTROL
DB25
LOCAL CONTROL
DB9
RS422/RS485
RS232
RS422/RS485
Pin No.
Signal
Signal
Pin No.
Signal
2
TX
2
/TX_LOC
3
RX
3
TX_LOC
7
RETURN
RETURN
4
/RX_LOC
9
TX_REM
5
RX_LOC
10
/TX_REM
6-7
+15V
11
RX_REM
8-9
-15V
12
/RX_REM
13
Vcc
Vcc
Rx : Signals received by the Control Module from its host.
Tx : Signals transmitted by the Control Module to its host.
NOTE! The selection between RS232, RS422 and RS485 is selected through solder straps on
the Control Board.
Serial interface
in REMOTE mode
Strap
REMOTE CONTROL
DB25
RS232
ST330 : Close
ST 324 : Open
ST 325 : Open
Pin 2 TX
Pin 3 RX
2-Wire RS485
ST324 : Close
ST325 : Open
ST330 : Open
Pin 9 TX_REM
Pin 11 RX_REM
4-Wire RS422/RS485
ST325 : Close
ST324 : Open
ST330 : Open
Pin 9 TX_REM
Pin 10 /TX_REM
Pin 11 RX_REM
Pin 12 /RX_REM
Serial interface
in LOCAL mode
Strap
LOCAL CONTROL
DB9
2-Wire RS485
ST334 : Close
ST339 : Open
Pin 3 TX_REM
Pin 5 RX_REM
4-Wire RS422/RS485
ST339 : Close
ST334 : Open
Pin 3 TX_REM
Pin 2 /TX_REM
Pin 5 RX_REM
Pin 4 /RX_REM