Thames Side Smart Series - Network Communications (RS-485)

Operation
2-9
nnnnnnn Net weight value, 7 characters
aaaaaaa Analog/Digital converter filtered output, 7 characters
POL Polarity:
‘ ‘ Weight > 0
‘-‘ Weight < 0
U Units:
K kg
T t
G g
L lb
‘ ‘ oz, without unit
G/N Bruto/Neto:
G Gross
N Net
S Status:
‘ ‘ Valid
M Motion
O Overload
I Invalid
T Termination:
CR
CR + LF
ACK (ASCII 6)
NAK (ASCII 21)
2.10.2 Protocol RS-232
Communication between two equipments, point per point, with a maximum distance
of 15 m.
Protocol format:
Command CR
All commands in section 2.10.1.1.
2.10.3 Network Communications (RS-485)
(For applications with the Input/Output accessory)
Communication between several equipments (100 maximum) in a BUS with a
maximum link distance of 1,200 m.
The SMART indicator can only be the SLAVE and it must be assigned a unique
address from 1 to 99.
Masters queries and slaves responses have the following formats:
Master query:
# Dd CR
Termination (CR fix)
Command
Address
(2 bytes decimal, see 3.4.10)
Start master query