CAS PD-II, Manual

Page: 23 / 51

23
3.1.6. TYPE-6 INTERFACE
SAMSUNG ECR (ER-670)
1> PROTOCOl
EXTERNAL DEVICE SCALE(PD-II)
<ENQ> ------------ Initiate communication
------------ <ACK> : Acknowledge the request of weight data
<DC1> or <DC2> ------------ DC1 : For Weight Data
DC2 : For All Data
( PD-II NOT USE)
------------ Send Data Block
1> The Data Trains
1. “DC1”
SOH STX STA SIGN W5 W4 W3 W2 W1 W0 UN1 UN0 BCC ETX EOT
Command DATA BLOCK Command
Remark
-
STA : A WEIGHING STATUS OF THE SCALE
SCALE IS STABLE ->”S”, NOT STABLE -> “U”
-
SIGN : SIGN OF THE WEIGHT DATA
ZERO AND POSITIVE WEIGHT -> “ “ , NEGATIVE WEIGHT -> “-“
OVER LOAD -> “F”
-
W5 THROUGH W0 –> WEIGHT DATA
BUT ALL “F” WHEN THE SCALE IS PUT ON OVER LOAD.
-
UN1 THROUGH UN0 -> UNIT OF WEIGHT ( Kg OR Lb)
-
BCC : BLOCK CHECK CHARACTER