ABB Advant Controller 80, User Manual

Page: 66 / 84

4-28 AC 80 User’s Manual
Activation
The MVICHAN, MVINODE and MVB elements are activated by setting
the ACT terminal to “1”.
Testing The DB element MVICHAN has a diagnostic terminal (ERR) in the
Base part for channel status check. The ERR terminal indicates fatal
errors. There are also five diagnostic terminals in the Communication
part. They are described in the table below.
The DB element MVB has four diagnostic terminals:
BLOCKED Cyclic data transmission:
0 = Not blocked
1 = Blocked
NET MVI network number used for data block transmission.
REMNODE Remote node number.
In master mode: node number of slave.
In slave mode: node number of master.
CYCLETIM Defines the cycle time of the protocol command
execution in multiples of 100 ms.
Alternative values: 0 (no cyclic execution), 4, 8, 16, 32,
64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
32768
SORT_REF Sort references:
NO = References not sorted
YES = References sorted in the order B, I, IL, R
CTRLERR Indicates any control errors in the modem interface.
DSR Modem signal data set ready.
DCD Modem signal data carrier detect.
CTS Modem signal clear to send.
RI Modem signal ring indicator.
ERR Fatal error.
EXECUTE Invokes single execution of the specified protocol
handler command when switched from “0” to “1”.
EXECDONE Indicates that the execution invoked by EXECUTE has
been done.
VALID Boolean value (identity) for handshaking between MVI
and PC program.
Receiving MVB:
0 = MVB has not been received within CYCLETIM × 3
1 = MVB has been updated
Sending MVB:
0 = MVB has not been sent
1 = MVB has been sent