Interface Specifications; Data Format - A&D EK-i Series Instruction Manual

q The RS-232C interface has the following four modes.
Stream mode
Key mode
Auto-print mode
Command mode
q Set the parameters of the data format (
( pr t ), as necessary.
q Use a D-sub 9 pin cable (straight type) to connect with a computer.

9-1. Interface specifications

Transmission system
Transmission form

Data format

Pin connections
9-2. Data format
S
Header
Outputs data continuously.
Outputs data by pressing the PRINT key.
Outputs data which meets the conditions of auto-print.
Controls the balance using commands from a computer.
EIA RS-232C
Asynchronous, bi-directional, half-duplex
Baud rate:
Data:
Start bit:
Stop bit:
Code:
Terminator:
LSB
0
D-sub 9pin male connector
Inside of the EK/EW-i
,
T + 0 0
Separator
and
bps bt pr
2400, 4800, 9600 bps
7 bits + parity 1bit (even or odd)
or 8 bits (non-parity)
1 bit
1 bit
ACII
C L (C : 0Dh, L
R F R
MSB
1 2 3 4 5
1 N.C.
2 Transmit data
3 Receive data
4 N.C.
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 N.C.
.
0 0 0 0
Data
22
) and data output mode
: 0Ah)
F
1 (-15V~-5V)
6
0 (5V~15V)
Stop bit
Parity bit
Data bit
Start bit
0 g C
R
Unit Terminator
(" " shows a space.)
L
F