Siemens SIMATIC HMI IPC677C User Manual

Detailed descriptions
16.1 Motherboard
SIMATIC HMI IPC677C
204 Operating Instructions, 04/2013, A5E02722710-04
Serial interface COM 1, X30
The COM1 serial port has the following pin assignment:
Serial interface COM1
Pin no. Short description Meaning Input / Output
1 DCD (M5) Receive signal (carrier) Input
2 RxD (D2) Receive data Input
3 TxD (D1) Transmit data Output
4 DTR (S1) Data terminal ready Output
5 GND (E2) Functional ground (reference potential) –
6 DSR (M1) Ready for operation Input
7 RTS (S2) Request to send Output
8 CTS (M2) Clear to send Input
9 RI (M3) Incoming call Input
16.1.5 Internal interfaces
Pin assignment of the internal ports
Interface Position Connector Description
Memory Internal X19, X20 2 DIMM sockets, 64-bit
Bus expansion Internal X10, X610 Socket for bus expansion, assigned PCI bus
signals
Power supply Internal X13 20-pin connector plug for power supply
BIOS Recovery Internal X72
Serial ATA Internal X50, X51,
X52, X53,
X54
Serial ATA, max. 3 drives operable
Connection for PS serial
ATA
Internal X26, X27,
X28, X29,
X30
Voltage supply for serial ATA
Connection for PS fan Internal X131 Voltage supply for CPU fan, 4-pin male connector
Connection for
equipment fan
Internal X132 Voltage supply for equipment fan, 4-pin male
connector
Backup battery Internal X24, X240 Voltage supply for backup battery, 2-pin male
connector
Tap for backup battery Internal X2400 Voltage tap ( = 3V) of the backup battery,
2-pin, male connector
USB interface Internal X43 USB channel 6 and 7, 10-pole male connector
USB interface Internal X48 USB channel 9, upright USB socket

Siemens SIMATIC HMI IPC677C Specifications

General

Brand	Siemens
Model	SIMATIC HMI IPC677C
Category	Industrial PC
Language	English