Flintec DAD143 Series - 3.4 Terminals Power Supply; 3.5 Terminals Service Port RS 232; 3.6 Ethernet Based Ports

DAD 143.x User Manual Profinet Rev.1.1.1 March 2023 Page 10 of 95
3.4 Terminals Power Supply
Depending on the grounding concept of the plant/scale, terminal 20 or 21 has to be connected to terminal 22.
Terminal 4 (shld load cell) and 22 (Ground chassis) are internal connected.
Note: The power supply must be able to support about 200mA per DAD 143.x.
3.5 Terminals Service Port RS 232
The RS 232 port can be used for communication with a PC or PLC system.
3.6 Ethernet Based Ports
Please Note : None s the protocol Ethernet TCP/IP !!!
DAD 143.x
RS 232
Function
Terminal no.
23
TxD
Transmit Data
24
RxD
Receive Data
25
GND
Signal ground RS 232
The two RJ45 Ethernet ports (28 & 29) are connected to an
internal switch. The Ethernet ports support 10BASE-T and
100BASE-TX. Half-, Full- and auto negotiated duplex mode.
MDI, MDI-X and Auto-MDIX crossover control.
Pin
Signal
Description
1
Tx+
Transmit data positive
2
Tx-
Transmit data negative
3
Rx+
Receive data positive
4
Term 1
Connected and terminated to
“Shld” via RC combination *
5
Term 1
6
Rx-
Receive data negative
7
Term 2
Connected and terminated to
“Shld” via RC combination *
8
Term 2
*Bob Smith termination
DAD 143.1
Power in
Function
Pin no.
18
+
Power supply +12..24 V DC
19
+
Power supply +12..24 V DC
20
-
Common ground / 0 V DC
21
-
Common ground / 0 V DC
22
Shld.
Chassis ground