Rs485 hook up – Condec DLR3110 User Manual
Page 40
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36
DLR3110 Rack Mount Digital Pressure Calibrator Manual
The DLR3110 comes equipped with a 25 pin “D”
female serial I/O connector (J6) mounted at the rear of the
enclosure which provides access to Port One - RS232 or
RS485 hook up.
Figure 6-2. Port One RS232 (Simplex) - Direct CPU Terminal Block (TB3) Wiring
Figure 6-3. Port One RS232 (Simplex) - J6 (25 Pin “D”) Wiring
Figure 6-4. Port One RS232 Active 20mA Loop (Simplex) - Direct CPU Terminal Block (TB3) Wiring
P1
TB3
1
S7
B
A
S6
RS422
RS232
SIG COM
OUT
P2
RS232
P1
IN
OUT
JUMPER PLUGS SHOWN ON S6 & S7 CONFIGURED AS RS232
SIG COM
RXD (IN)
TXD (OUT)
REMOTE DEVICE
P1
TB3
1
S7
B
A
S6
RS422
RS232
SIG COM
OUT
P2
RS232
P1
IN
OUT
JUMPER PLUGS SHOWN ON S6 & S7 CONFIGURED AS RS232
SIG COM
RXD (IN)
REMOTE DEVICE
J6
7
2
MOVE RED WIRE TO THE PORT 2 OUT POSITION FOR PORT 2 WIRING HOOK-UP
BLACK WIRE
10
S9
RS485
AB
20mA
20mA LOOP
P2
+OUT
-OUT
-IN
P1
+OUT
-OUT
+IN
JUMPER PLUGS SHOWN ON S8 & S9 CONFIGURED AS PORT 1 20mA LOOP
-RX (IN)
+RX (+IN)
REMOTE DEVICE
S8