MODBUS Interface
F-18 Verbatim Owner's Manual
4 9 00 net *
Function Resets all applicable parameters to their factory default.
Response See all codes below
F.13.1 Serial Port Parameters
4 9 01 net * N
Function Read/set baud rate for net to N. If present, N must be: 50, 75,
110, 150, 300, 600, 1200, 1800, 2000, 2400, 3600, 4800,
7200, 9600, 14400, 19200, 28800, 57600. Any other values
are ignored.
Response <net ID message> baud rate is <N> .
4 9 02 net * N
Function Read/set data bits for net to N. If present, N must be one of: 5,
6, 7, or 8. Any other values will be ignored.
Response <net ID message> data bits are <N>
4 9 03 net * N
Function Read/set stop bits for net to N. N must be 1 or 2. Any other
values will be ignored.
Response <net ID message> stop bit is <N>
4 9 04 net * N
Function Read/set parity for net. If present, N=0 is NO parity, N=1 sets
ODD parity and N=2 sets EVEN parity for net, N=3 for
SPACE parity, N=4 for MARK parity. Any other values will
be ignored.
Response <net ID message> parity is <even, odd, space, mark>
F.13.2 Network Parameters
4 9 05 net * N
Function Read/set local node address for net to N. The allowable range
for N is protocol dependent. Illegal values are ignored.
Response <net ID message> node number is <N>
4 9 06 net
Function Read protocol for network.
Response <net ID> protocol is <current protocol>
F.13.3 Timing Parameters
4 9 07 net * V
Function Reads/sets communications alarm trip delay. Communications
errors for all RCs on net must persist continuously for V
seconds before a COMALARM violation is registered.
Response <net ID> communication alarm trip delay is <V> seconds
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