Microscan MS-710, User Manual, Page: 36 / 186

RS-232/422 Host Port
3-6
MS-710 Scanner User’s Manual
3–Communicat
io
ns
Multidrop
Note: See also “Multidrop Communications” on page A-29 .
Note: Scanners linking up to a Microscan MS-5000 multidrop concentrator must be
configured in standard multidrop protocol.
User Defined Point-to-Point
User Defined Address
Usage: The MS-5000 can be used as a concentrator to a single host port connec-
tion.
Definition: Multidrop allows up to 50 devices to be connected to a single RS-485
host, with the scanner assigned an unique address (from 01 to 50). When
Multidrop is selected, the protocol characters for RES, REQ, etc. are
assigned automatically.
Multidrop
Addresses:
Each address has its own separate poll and select address (from 1C to 7F
hex).
Options: 01 through 50
Serial Cmd: If selecting Multidrop <K140,5> fan address must be defined and
appended to the command string.
Format: <
Kf5 ,address[01 to 50]>Format: < K140, 5 ,address[01 to 50]>
Usage:
Used for developing custom protocols in polled or unpolled mode.
Definition: User Defined Point-to-Point allows the user to customize the point-to-
point protocol.
Serial Cmd: < Kf6 ,RES,address,REQ,EOT,STX,ETX,ACK,NAK,from host>
Definition: User Defined is considered to be in a polled mode only if an address has
been assigned.
Serial Cmd: < Kf6 ,RES, address ,REQ,EOT,STX,ETX,ACK,NAK,from host>
Default: No address
Options: Any ASCII character except a null.