1-7 (E)
BKPF-R70
1-7. Location and Function of Switches/ LEDs
fig1-12E
1
1
1
1
1
Indicators
Ref. No. Indicator
Color
Status
D6
SBUS-A
Green
Rx : Lights when the necessary data is received from the connector A of
REMOTE 1 (S-BUS data link) or while CPU (A) for S-BUS remote is down
loading a program normally.
D5
Tx : Lights when the data is transmitted to the connector A of REMOTE 1.
D8
SBUS-B
Green
Rx : Lights when the necessary data is received from the connector B or C of
REMOTE 1 (S-BUS data link) or while CPU (B) for S-BUS remote is down
loading a program normally.
D7
Tx : Lights when the data is transmitted to the connector B or C of REMOTE 1.
D18
A
Green
The switch S8 is set to A side (MAIN).
D11
422
Green
Rx : Lights when the necessary data is received from REMOTE 2 (RS-422A).
D10
Tx : Lights when the data is transmitted to REMOTE 2.
D1
ACTIVE
Green
Lights while this board is operating.
D13
PRIMARY
Green
Lights when this board is set to the primary station on the S-BUS data link.
(S2-2 is set to ON.)
D2
RUN
Green
Lights while the CPU is operating normally.
D12
ERROR
Red
Lights when an error is detected in a periodic self-diagnostics.
This indicator goes out automatically when the board recovers from an error.
The error is indicated on the 7-segment LED (IC27) by a double-digit error
code.
7
S4
Component side (A side)
S3
S5
IC27
S1
Rx Tx
6
5
4
3
S2
2
1
8
9
CPU-256 board
D6
D8
D11
D1
D13
D2
D12
D10
D18
D5
D7
S8
COR2
1-7. Location and Function of Switches/ LEDs
