Omron GRT1-ML2 Hardware Reference Manual page 122

Hardware reference
Name Display Explanation
Color Status
ERR Red Lit Watchdog timeout error, communication error, diagnosis
error or resetting hardware
Red Flashing ROM check error (once)*, RAM check error (twice)*,
DPRAM check error (3 times)*, communications ASIC
self-diagnosis error (4 times)*, ASIC RAM check error (5
times)*, station address setting error (6 times)*, Inverter
model code error (7 times)*
*: indicates the number of flashes
- Not lit No communication error or self-diagnosis error
TX Green Lit Sending data
- Not lit Sending of data stopped, hardware reset
RX Green Lit Searching for receiving carrier
- Not lit No receiving carrier found, hardware reset
Dipswitch
The following table shows the dipswitch settings of the SI-T/V7 Unit.
/i
Name Label Status
Baud rate S1-1 on
Data length S1-2 on
Station S1-3 off
address
on
Maintenance S1-4 off
on
1. For maintenance. Always leave this switch off.
HARDWARE REFERENCE MANUAL
Function
10 Mbps (MECHATROLINK-II)
32-byte data transmission
(MECHATROLINK-II)
Set the 10th digit of the station number to 2. Invalid
if the maximum number of units including the S2 of
the rotary switch is 20.
Set the 10th digit of the station number to 3. Invalid
if the maximum number of units including the S2 of
the rotary switch is 3F.
1
Normally off
Not used
fig. 68
1 2 3 4
OFF
117