Toshiba GR200 Series - Page 1665

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 1642 -
2. Troubleshooting
Table 5.2-1
No.
Phenomena
Supposed causes
Check / Confirmation
Object†
Procedure
1
Communicati
on trouble
(IEC103
communicati
on is not
available.)
Address setting is incorrect.
BCU
RY
Match address setting between BCU
and relay.
Avoid duplication of address with
other relay.
Transmission baud rate
setting is incorrect.
BCU
RY
Match transmission baud rate
setting between BCU and relay.
Start bit, stop bit and parity
settings of data that BCU
transmits to relay is incorrect.
BCU
Go over the following settings via
the BCU. Relay setting is fixed in
accordance with the following
settings.
- Start bit: 1bit
- Stop bit: 1bit
- Parity setting: even‡
RS485 or optic cable
interconnection is incorrect.
Cable
- Check the connection port.
- Check the interconnection for
RS485 A/B/COM
- Check the send and received
interconnection for the optic cable.
The setting of converter is
incorrect. (RS485/optic
conversion is executed with
the transmission channel,
etc.)
Conver
ter
In the event of using G1IF2, change
the DIPSW setting in reference to
INSTRUCTION MANUAL
(6F2S0794).
The relationship between
logical “0/1” of the signal and
Sig.on/off is incorrect. (In the
event of using optic cable)
BCU
Check the following;
Logical0 : Sig.on
Logical1:Sig.off
Terminal resistor is not
provided. (Especially when
the RS485 cable is long.)
cable
Add terminal resistor (150[ohms]) to
both ends of RS 485 cable.