4
R E M O T E I N T E R F A C E S
Serial Interface Connector
4-8
ATS-515, -525 & ATS-615 & -625 Interface & Applications Manual
Section G:
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Serial Interface
Serial Interface Connector
The system I/O panel provides a DB9P (9-pin male) connector with a nonstandard pinout.
A Null Modem is required for the Serial Interface.
The Serial Interface Does NOT support hardwire handshaking.
The Serial version does not transmit until it has a complete response message (a string
terminated by a line feed) to send to the Host.
The “message available” bit in the serial status byte is always sent as 0.
NOTES:
• allow a 50 mSec delay between commands.
• when using this configuration, take care not to overflow the 250 byte input buffer.
Serial Interface Parameters
The Serial interface parameters, are as follows:
Pin Number
Function/Signal Level
Shell
Chassis ground
1
2
Serial data out from the
ATS-515, -525 & ATS-615 & -625
3
Serial data into the
ATS-515, -525 & ATS-615 & -625
4
5
Signal ground
6
7
8
9
Setting
Parameter
Baud Rate
300, 1200, 2400, 4800, 9600, 19200,
38400, 57600
Data Bits
Fixed at 8
Parity
Fixed at No Parity
Stop Bits
Fixed at One (1)
Содержание THERMOSTREAM ATS-515
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