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Doc No: UMAN\GWY-800-B\0706
REVISION 0
Getting Started
3) Power off the unit (Keep the pins shorted)
4) And Power on the unit again. This procedure will force the gateway go into the IBM download
mode.
3.4.1
When GWY-800-B can accept configuration
If current driver present for PLC1 port is Master (e.g. Modbus (Gateway as Master)
First, it is checked that whether device is connected on HART Port (fast “OK” LED flashing)
If device is connected, it continues normal operation
If device is not connected, it checks for IBM download mode for 10seconds (slow “OK” LED flashing).
This sequence continues until either is satisfied.
If current driver present for PLC1 port is Slave (e.g. Modbus (Gateway as Slave)
First, it is checked that whether device is connected on HART Port (fast “OK” LED flashing)
If device is connected, it continues normal operation
If device is not connected, it checks for IBM download mode for 10sec (slow “OK” LED flashing).
This sequence continues until either is satisfied.