HOP Tester · NHOP50x160

Serial link & status

Not connected

Connection method

Port / adapter

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Baud

—

Frame

—

Slave ID

—

Device mode

—

Poll

—

Errors

Round trip

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Advanced timing & probe settings

SET-mode probefixed

While the DIP switch is in SET the HOP answers on slave 16 at 115200 8-N-1, whatever ID is stored in H0. If neither profile answers the whole bus is swept automatically.

RUN-mode probefrom SET

Taken from H0/H1/H3 automatically on every SET-mode read, including the stop bits. Use Scan bus if you do not know them.

Reply timeoutms

How long to wait for the HOP to answer before calling it a timeout.

Frame gap (t3.5)ms

Silence that marks the end of an RTU frame. Raise it if you see CRC errors.

Retriescount

Automatic re-send after a timeout or a bad CRC.

Poll intervalms

How often the live values, mode check and graph are refreshed.

Mode detection

Reads the holding registers and matches them against both register maps

Not connected

Plug the USB → RS485 converter into this device, wire A and B to the HOP, give the HOP 24 V, then press Connect adapter above.

SET mode configuration H0–H9

Values stored in the HOP

No unsaved changes

Holding register table

Manual read / write, register by register

H	40xxx	Name	Current	New value	Action

RUN mode H0–H6

Live device control

Live polling

Holding register table

Manual read / write, register by register

H	40xxx	Name	Current	New value	Action

TX / RX traffic log

Every frame on the RS485 bus

Monitoring graph

Window