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 Pr 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
1
600 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 Pr 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)