Toshiba SX 2000 - Manual (Page 110)

2.3 I/O Module Spedfication
ADe28S
AD638S
Bffli
AD628S&AD638S
Item AD628S AD638S
Input Voltage/Amp 0-5Vor 0-20mA (*1) ±10V
Input Impedance
500KQ or more (0-5V)
250Q (0-20m)
500KQ or More
A/D Conversion Data
0-4000
min.O max.4095
-2000-+2000
min.-2048 max.2047
Allowance Input Voltage/
Amp
At 0-5V: within ±13V
0-20mA: within ±30mA
Within ±13V
No. of Input Channel 8ch
Resolution 12bit (0.25%)
Conversion Time 2.0ms/8ch
Overall Accuracy
±0.2% (at25°C)
±1.0% (0-55°C)
Temperature Drift ±100ppm/°C
Module Status Indicator Power Source Indicator
External Connection 18P Detachable Screw Terminal Table
Mode of Insulation
Transformer Insulation (Insulation of Channels, Insulation
between Input Circuit-Inside Logic)
Insulation Resistance
10MQ or More
• Between Inside logic-Output
• Between Systems
Withstand Voltage
AC500V/1min
• Between Inside Logic-External Output
• Between Systems
External Power Supply Not Required
Inside Current Consumption 600mA (at DC5V) or less
Weight Approx. 350g
"1 ) Selection between 0-5V and 4-20mA is done by desorbing 250Q resistor (attached).
Resistor installed: Current Input
Resistor not installed: Voltage Input
Circuit Configuration
Terminal Connections
Use shielded twisted­
pair cables for analog
signals, and ground the
shields securely.
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