HORNER ELECTRIC HE693SNP232
Datasheet
Extracted Text
Horner APG’s SNP to RS232 Adapter Product Specifications and Installation Data 1 RS232 SERIAL PORT WIRING The HE693SNP232 SNP to RS-232 Adapter is equipped with two ports. The 15-pin "SNP" port plugs directly into the PLC Programmer Port on the CPU rack power supply. Power to the SNP Adapter is supplied directly from the programming port (maximum 100mA@5VDC). The 9-pin RS-232 port connects to any RS-232 device. The "pinout" for the HE693SNP232 Adapter serial ports are defined below. The direction indicated is with respect to the adapter. Table 1 – 15-pin Port Table 2 – 9-pin Port Pin Directio Pin Signal Name Signal Name Direction Number n Number 1, 3, 7 [0V] Ground N/A 2 [TXD] Transmit Data Output 2, 5 [+5V] VCC N/A 3 [RXD] Receive Data Input 4 No Connection N/A 5 [GND] Ground N/A 6 [CTS-} Clear to Send Input 7 [CTS] Clear to Send Input 8 [RTS+] Request to Send Output 8 [RTS] Request to Send Output 9, 10 [TXD-] Transmit Data Output 11 [TXD+] Transmit Data Output 12 [RXD-] Receive Data Input 13 [RXD+] Receive Data Input 14 [CTS+] Clear to Send Input 15 [RTS-] Request to Send Output This pinout was chosen to allow direct connection (using a straight through, or 1 to 1 cable) to the IBM PC/AT. Nearly ALL of the IBM compatible computers equipped with a 9-pin RS232 port will provide a pinout compatible with that shown above. 09 November 2005 MAN0079-06 PAGE 2 09 NOV 2005 MAN0079-06 2 CABLE DIAGRAMS When connecting the SNP adapter to IBM compatible PCs with hardware handshaking, the following cable interface should be used. 3 XT ADAPTER PINOUT The XT Adapter can be used on an IBM compatible PC, which has a 25-pin RS232 port. The internal wiring of the XT Adapter is show below.
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