9.5 External Interfaces
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9.5 External Interfaces
Communications interfaces RS-232C/Printer/GP-IB
RS-232C Communications settings: Data length (8 bits), stop bit (1 bit), parity (none)
Baud rate: 9600 bps/19200 bps/38400 bps
Flow control: none
Printer Output to printer via RS-232C (multi-use)
Supporting printer: Serial printer that can print plain text
Communications settings: Data length (8 bits), stop bit (1 bit), parity (none)
Baud rate: 9600 bps
GP-IB Applicable GP-IB Standards: IEEE488.2
Address: 0 to 30
Delimiter: LF/CR+LF
EXT I/O Connector: 37-pin D-sub female with #4-40 screws
Mating Connectors: DC-37P-ULR (solder type)
DCSP-JB37PR (insulation displacement weld type)
Japan Aviation Electronics Industry Ltd. product or equivalent
Input: Optocoupler-isolated, no-voltage contacts (dielectric strength of 30
V DC)
Output: Optocoupler-isolated, Nch open-drain output, 30 V DC, 50 mA
max.
Input signals: Measurement trigger, print, zero-adjustment, calibration,
manual comparator, panel load (7 bits)
Service power supply output:
Voltage; 4.5 to 5 V
Crrent; 100 mA max.
Isolation; Floating from protective ground potential and measurement cir-
cuit
Isolation rating; Input-to-ground voltage of 50 V DC, 30 V rms AC, 42.4 Vp
AC or less
Pinout: p.76)
Analog output Output value: Measured resistance value (display value)
Output voltage: 0 V DC (equivalent to 0 counts) to 3.1 V (equivalent to
31000 counts)
Output resistance: 1 k
Conversion method: D/A converter
No. of bits: 12 bits
Output accuracy: Resistance measurement accuracy ±0.2% f.s.
(temperature coefficient ±0.02% f.s./°C)
Conditions of accuracy guarantee:Temperature and humidity range
23 ± 5°C (73 ± 9°F), 80% RH or less (non-condensating)
Warm-up time of at least 30 minutes
Response time: Resistance measurement response time + sampling time
+ 1 ms
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