Manual Printouts / Automatic Printouts; Mo Bus Rtu Communication Protocol - RADWAG WLY User Manual

37.5. Manual printouts / automatic printouts

Users can general manual or automatic printouts from the scale.
• Manual printouts can be performed after loading the pan
and stabilizing indication by pressing
• Automatic printouts can be performed only after loading
the pan and stabilizing indication.
Format frame:
1
stability
Stability character
sign
mass
unit
command
Example:
_ _ _ _ _ _ 1 8 3 2 . 0 _ g _ _ CR LF – the printout generated from
the scale after pressing
38. MODBUS RTU COMMUNICATION PROTOCOL
The terminal PUE 7.1 enables complete operation of programmable
controllers (PLC), which communicate through Modbus protocol class 0.
The terminal in a network using modbus standard operates as slave on
an accessible interfaces, RS232 or Ethernet. According to the standard,
Modbus class 0, the device uses two functions:
• Read multiple registers (fc 3), for cyclic readout of signals from
the weighing module,
2 3
space sign mass
[space] if stable
[?] if not stable
[^] if an indication over the range
[v] if fan indication below the range
[space] for positive values or
[-] for negative values
9 characters justified to the right
3 characters justified to the left
3 characters justified to the left
4 -12 13
space
.
256
.
14 15 16
unit
17 18
CR LF