160
• Signals
START Starts a test and generates output voltage.
STOP Ends a test and cuts off output voltage.
INTERLOCK Open when the interlock function is enabled, short circuit when the
interlock function is disabled.
LOAD0 to LOAD3 Selects a test condition from saved test conditions.
(2) Output
• Common specications
Photocoupler-isolated, open drain output (non-polar)
Maximum load
voltage
30 V DC
MAX
Residual voltage 1 V or less (load current 50 mA) / 0.5 V or less (load
current 10 mA)
Maximum output
current
50 mA
MAX
/ch
• Signals
PASS The output transistor is ON when comparator PASS judgment is made.
UPPER FAIL The output transistor is ON when comparator UPPER FAIL judgment
is made.
The output transistor is ON when comparator UL_FAIL judgment is
made.
LOWER FAIL The output transistor is ON when comparator LOWER FAIL judgment
is made.
The output transistor is ON when comparator UL_FAIL judgment is
made.
TEST The output transistor is ON during a test.
The output transistor is ON or OFF during discharge depending on the
TEST signal OFF timing setting.
ERR The output transistor is ON at the time of a contact check error, short
circuit error, output voltage error judgment
(ST5520-01 only)
DP0 to DP2 Decimal point output 3 bits (p. 87)
BCD0 to BCD15 BCD output 4 digits, 16 bits (p. 87)
• Internal power output
Output voltage Sink current output compatible 5.0 V±10%
Source current output compatible -5.0 V±10%, 100 mA
MAX
Isolation Floating from protective ground potential and measurement circuit
Isolation rating Terminal to ground voltage 50 V DC, 33 V AC
RMS
, and 46.7 V AC
PEAK
or less
ISO.5 V Internal power supply
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