5.2 Basic Specifications
41
Output terminals
Special round connector (support for 8 channels)
Setup method and opera-
tion
GP-IB Interface, RS-232C Interface, EXT I/O
(No setup available on the SM7860 front panel except settings for GP-IB address)
LED indicator
POWER, Voltage output, Inter-lock
LCD screen
P1: Output voltage setting, monitor voltage value, channel-specific output setting state
P2: Alarm setting, GP-IB address
Supported model
HIOKI Model SM7810, SM7810-20 Super M
Ω
HiTester
Functions
Voltage output function
Operating method
Sink/source (support for charging and discharging)
Generation control
Output only when external I/O interface's OUTPUT signal is on.
Output on/off
Can be set independently for each channel.
Voltage error alarm
Operation
: Alarm is generated when the monitor voltage falls outside the set
range.
Valid setting range : ±2 to ±19% (1% resolution)
Current limit function
Limit method
Current can be limited independently for each channel.
Current limit direction
Current can be limited in both directions.
Backup Function
Backup Items
Output voltage setting, alarm setting, GP-IB address
Voltage monitor function
Voltage monitor
Measures and displays output voltage for each circuit.
Accuracy
Conditions of guaranteed accuracy
Warm-up time
1 hour or more
Temperature and humid-
ity range for guaranteed
accuracy
23±5°C (73±9°F), 80%RH or less (non-condensing)
Temperature coefficient
From 0°C to 18°C and 28°C to 40°C, add 0.1 × accuracy specifications per °C.
Period of guaranteed ac-
curacy
1 year
Generation accuracy
Output voltage accuracy
±2% of setting ±0.5 V (no load)
Channel error
±0.01 V or less (no load, between outputs from same circuit)
Voltage monitor accuracy
±2% of output voltage ±0.5 V
Limit current accuracy
SM7860-01, -03, -05, -07,
-21, -23, -25, -27
50 mA ± 5 mA
SM7860-02, -04, -06,
-22, -24, -26
10 mA ± 3 mA
