Toshiba SX 2000 - Manual (Page 108)

2.3 I/O Module Specification
AD668
m
AD668
Item
Module type
Input type
Input range
Bipolar
Unipolar
Input impedance
Number of input channels
Resolution
Overall accuracy
(0 to 55°C)
Temperature drift
Conversion cycle
Insulation resistance
Withstand voltage
Special functions
External power supply
Current
consumption
Internal logic
External
power supply
External connection
Weight
Specification
AD668
Voltage input Current input
-5 to +5V
-10to+10V
0 to +5V
0to+10V
1 to +5V
1MQ or more
0 to 20mA
4 to 20mA
250Q
Schannels per module
16 bits
±0.2%/FS (25°C)
±0.5%/FS (0 to 55°C)
(FS :±10V)
±100ppm/°C or less
Approx. 1 ms/channel (Approx.8ms/8channels)
10MQor more
1500Vac 1 minute : between internal and external, between
analog input and FG/LG
Gain and offset adjust function
Average value processing function
Unassigned channel skip function
External 24V power supply voltage drop error detection
24Vdc±10%
5Vdc (300mA)
24Vdc (120mA)
20-point removable terminal block
Approx. 300g
Circuit Corfiguration
Terminal Connections
CH1
CH2
CH3
CH4
CHS lOCX|3
CH6
CH7 -íDOClo —
CH8 tdoch ; o
OC24V
(120mA)
l G|
F( ‘ g |—[o ■
o
-o
Isolate external power
o supply line (24Vdc)
o from other signal lines.
o
o
o
Use shielded twisted-
G pair cables for analog
O signals, and ground the
O
shields securely.
6F8C0926 91
CH8