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EXCELL PRECISION CO., LTD.
ZSME200000051
Appendix 1 RS-232 Full Duplex Format
Table 1. Command Format Illustration
Command Format A
Host Command
Slave Command
MZ Return to zero CP Clear off pre-tare value
MT Tare CT Clear off tare value
AT
Current net weight
plus 1
DT Clear off accumulated data and counts
SC Set continuous transmission mode SA Set automatic transmission mode.
SM Set manual transmission mode SO Set command mode
UA Shift to first unit UB Shift to second unit
% Cease continuous transmission mode and enter into command mode
Command Format B
Host Command
Slave Data
RW Read current displaying weight RB
Read current displaying
weight(simple)
RG Read gross weight
RT Read tare
RN Read net weight
RI Read net weight (simple)
RH Read gross weight (simple) RE Read pre-tare (simple)
RU Read unit weight (simple) RD Read accumulated quantity (simple)
RC Read accumulated counts (simple) Rl Read tare (simple)
Rf Read pre-set name (ITEM) Rk Read accumulated weight (simple
accumulation format)
Rg Read ID# Rh Read weighing unit
RQ Read quantity (simple) Ri Read unit weight unit
Re Read PLU#
Note : Add % before italic and magnified letter to read continuously.
Add # before italic and magnified letter to read stable value only.
Two formats (AB) mentioned above are all RS-232 full duplex. If the slave terminal
receives the below-listed messages, it represents Error condition.
E1: Wrong command
E2: Wrong format (wrong parameter)
E3: Mismatch proceeding condition
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