Ohaus RANGER ADVANCED COMPACT COUNTING SCALES Manual en - Manual (Page 52)

Ranger RP
52
Interface description
5.2.2 Requirements for communication between scale and PC
• The scale must be connected to the RS232, RS485, USB or Ethernet interface of a
PC with a suitable cable.
• The interface of the scale must be set to "Dialog" mode, see Section 4.6.1.
• A terminal progam must be available on the PC, e.g. HyperTerminal.
• The communication parameters baud rate and parity must be set in the terminal
program and on the scale to the same values, see Section 4.6.3.
5.2.3 Notes on network operation via the optional interface RS422/485
Up to 32 scales can be networked with the optional RS422/485 interface. In network
operation, the scales must be addressed from the computer before commands can be
sent and weighing results received.
PM Set values for checkweighing
PRN Print out at every printer interface
REF Average piece weight
RST Restart
SFIR Send weight value immediately and repeat quickly
SIH Send weight value immediately in high resolution
SWU Switch weight unit
SX Send stable data record
SXI Send data record immediately
SXIR Send data record immediately and repeat
U Switch weight unit
Command Meaning
Description of the steps Host Direction Scale
1. Host addresses the scale, e.g. with the address
3A hex.
3A –––>
2. Host sends a SICS command, e.g. SI SI –––>
3. The scale confirms receipt of the command and
sends the address back
<––– 3A
4. The scale responds to the command and returns
control of the bus to the host
<––– S_S____45.02_kg