SAMWONTECH
4th Edition of TEMI880 IM : Jan. 29. 2007 Page 90 / 119
4. Communication Manual
4.1 Communication Specification
▶ TEMI880 is designed to establish a communication between upper-level computer and display via
RS232C and RS485 communication interface. (RS232C – 1:1, RS485 – 1:99)
▶ As below, there are some parameters when the TEMI880 communicates.
PARAMETER VALUE FUNCTION
PCL0 Basic Protocol
PCL1 Basic Protocol + Check Sum
MODA MODBUS ASCII
PROTOCOL
MODR MODBUS RTU
9600 9600 bps
4800 4800 bps
2400 2400 bps
1200 1200 bps
TRANSMISSION RATE(BPS)
600 1600 bps
NONE None Parity
EVEN Even Parity
PARITY
ODD Odd Parity
1 1 bit
STOP BIT
2 2 bits
8 8 bits
DATA LENGTH
7 7 bits
ADDRESS 1~99 Address
RESPONSE 0~10 Processing Time + Response * 10msec
■ Default parameter
• PROTOCOL : PCL1(Basic Protocol + Check Sum)
• BPS : 9600 bps
• PARITY : NONE
• STOP BIT : 1 (1 bits)
• DATA LENGTH : 8 (8 bits)
• ADDRESS : 1
• RESPONSE : 0 (Processing Time + 10 msec)
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