Weidmuller WAVE Serie Beipackinformation Seite 26

4292540000_IS_WAVEdata.qxd:429254_IS_WAVEdata.qxd
PIN - Assignment RS232 (SUB-D9)
Pin 1 not assigned
Pin 2 RxD - Received Data
Pin 3 TxD - Transmit Data
Pin 4 DTR - Data Terminal Ready
Pin 5 SG/GND - Signal Ground
Pin 6 DSR - Data Set Ready
Pin 7 RTS - Request to Send
Pin 8 CTS - Clear to Send
Pin 9 not assigned
Pin 4 and 9 SUB-D Pin 6 (internal bridge)
Pin 7 and 9 SUB-D Pin 8 (internal bridge)
Warning! Please observe that applications with high insulation voltages
require sufficient space or insulation to adjoining devices.
5.2 Shielding the data cable
The shielding of the data cable is achieved via the shield connection
terminal, which is secured to terminal 1. Terminal 1 is connected
capacitively to terminal 12 that in turn must be connected to the earthing
system of the installation.
Use only shielded twisted-pair cables.
Connect the cable shielding to both ends of the transmission line.
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