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Sarasota 2000 Ultrasonic Multipath
Flowmeter
Section 2, SYSTEM COMPONENTS, Page 2-6
Thermo Fisher Scientific
SYSTEM COMPONENTS
2.3.2.4 Serial connections
Fig 3 Side panel serial connections
There are 3 serial ports:
•
RS232 via 9 way D connector (female) on the front of the plinth. See Figs 1 & 2. This port
is used for connection to a PC.
•
RS232 via 9 way D connector (male) on the side of the plinth. See Fig 3. This port is used
for connection to a modem.
•
RS485 via 9 way D connector (female) on the side of the plinth. See Fig 3. This port is
used for multi-drop instrument connection networks using Modbus protocol in full or half
duplex as set up via the front panel (Appendix 1: LCD Screens). Jumper links on the CPU
board may need to be altered depending on the load conditions. Please consult Thermo
Fisher Scientific for instructions on setting these links.
Pin (F)
Signal
Comment
2 TxD
3 RxD
5 0V
RS232, PC connection
Front panel 9 way female D connector
Pin (M)
Signal
Comment
1 CD
2 RxD
3 TxD
4 DTR
5 0V
7 RTS
8 CTS
9 R1
RS232, Modem connection
Side panel 9 way male D connector
Pin (F)
Signal
Comment
8 B
9 A
RS485, 2 wire connection
Side panel 9 way female D connector
Pin (F)
Signal
Comment
3 0V
4 -RxD
5 +RxD
7 0V
8 -TxD
9 +TxD
RS485, 4 wire connection
Side panel 9 way female D connector
MODEM (RS232)
RS485
Содержание HB-S2000
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