Sartorius MC 5, Руководство по обслуживанию, Страница: 21 / 49

Stand 1/94 SARTORIUS MC 5 Balance 21
MC 5
Activating the BPI Mode
To be able to work with the PSION server or the PC CAS program, change the communications protocol
for the interface to the BPI mode = Binary Protocol Interface, e.g., for linearization or diagnosis.
- Unplug the power supply and open the balance housing (Index
10).
- Plug the power supply back into the microbalance, and turn on
the microbalance using the key.
mc-t-on.tif
key. Wait for the
microbalance to complete the self-test; i.e., until 0.000mg is
displayed.
- Afterwards, plug the red jumper (short-circuit connector
located on the digital PCB 104) into the BPI position as shown
on the left.
- This closes a 12-volt circuit to the MC1 processor, which
disables the EEPROM’s write-protect status.
- The full-segment display test will run in regular cycles.
- Wait for at least 3 cycles, after which the balance will be in the
BPI mode.
- Afterwards, plug the jumper back into its original SBI position.
The balance will automatically revert to the standard weighing
mode.
Important Note:
- Turn off the microbalance using the key.
- Disconnect the microbalance from AC power.
- Close the balance housing.
- Plug the microbalance back into AC power and turn it on using
the key.
- Now the microbalance is ready to work with the MC1 server or
the CAS program for PCs in the BPI mode.
- After operating the microbalance with the PSION server or using
the PC CAS program, make sure to reset the interface mode by
software command to SBI = Sartorius Balance Interface:
PSION = Close
PC CAS = Log off
Otherwise, peripheral devices will not run on the microbalance’s
RS-232 interface port (ERR 30 will appear).