8
Number
Name
Description
LED
RUN
A1S64TC operation status display
ON: Normal operation in progress
Flashing (2 sec. ON/2 sec. OFF)
: Write data error
Flashing (1 sec. ON/1 sec. OFF)
: Hardware error
OFF: 5V power shutoff, Watchdog timer error
OUT
Transistor output status display
ON: Transistor output ON
OFF: Transistor output OFF
[A1S64TCRT-S1]
A1S64TCRT-S1
CH1
CH2
CH3
RUN
CH4
OUT
ALM
OUT
ALM
OUT
ALM
OUT
ALM
ALM
Alert alarm status display
ON: Alert alarm is ON.
LAB error.
Flashing: The measured temperature range is
exceeded.
The platinum temperature-measuring
resistor is not connected.
The platinum temperature-measuring
resistor cable is disconnected.
OFF: Disconnection alarm OFF
1
[A1S64TCRTBW-S1]
A1S64TCRTBW-S1
CH1
CH2
CH3
RUN
CH4
OUT
ALM
BR.W
OUT
ALM
BR.W
OUT
ALM
BR.W
OUT
ALM
BR.W
BR.W
Heater disconnection detection status display
ON: Heater disconnection is detected.
OFF: Heater disconnection is not detected.
2
Disconnection detection connector
Connector for current sensor
Disconnection
detection connector
Front
BW1 (for CH1)
BW2 (for CH2)
BW3 (for CH3)
BW4 (for CH4)
