Справочник Пользователя для Varec 8315 Series
11
8300
Hardware
2.2.3
Communications
The Communications installation requires connection of the appropriate communication
cable to one of two connectors. The available options include RS-232 and RS-485
communications.
•
COM0 (RS-232) (J7)
•
COM1 (RS-232 or RS-485) (J5)
•
COM1 Transmit Control (RS-232) (J6)
•
COM1 Hardware Handshaking Switch (SW1)
•
COM1 RS-232/RS-485 Selection Switch (SW2)
•
COM1 RS-485 Terminating Resistor Jumper (W2)
Figure 2-10:Com1 J5 Terminal Block
2.2.3.1
COM0 (J7)
COM0 is an RS-232 port for use in diagnostic testing/local programming or
communications to a host system. The
protocol defaults to TankGate Slave at the 9600 baud, 8 data bits, and no parity (for use
with ViewRTU or FuelsManager).
Figure 2-11:Com 0 J7 Terminal Block
EARTH
NEUTRAL
LINE
SURGE GND
A/TXD
B/RXD
GND
RTS
CTS
TXD
RXD
GND
+15V
+5V
GND
-15V
+
-
VFIELD
COM1
COM 0
AUX POWER
VFIELD=48V
VFIELD=24V
RESET
RS232
RS485
COM1
HARDWARE HANDSHAKING
A
B
A/TXD
B/RXD
GND
RTS
CTS
TXD
RXD
GND
+15V
+5V
+
-
VFIELD
COM1
COM 0
AUX POW
D=48V
D=24V
J7
J5
J6
EARTH
NEUTRAL
LINE
SURGE GND
A/TXD
B/RXD
GND
RTS
CTS
TXD
RXD
GND
+15V
+5V
GND
-15V
+
-
VFIELD
COM1
COM 0
AUX POWER
VFIELD=48V
VFIELD=24V
RESET
RS232
RS485
COM1
HARDWARE HANDSHAKING
A
B
CTS
TXD
RXD
GND
+15V
+5V
GND
-15V
COM 0
AUX POWER
J8
J7