User`s guide
4
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Introduction
u Current Output
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Numbers of channel:
8 channel for PCI-
6308A
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Current output range:
0~20mA, 4~20mA, 5~25mA. (Software
programmable)
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Voltage to current converter:
B.B. XTR110 or equivalent
•
Settling time:
17 µ second (0~20mA)
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Slew rate:
1.3mA / µs
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Non-linearity:
± 0.01 % of Span
•
Span error:
0.3% of initial Span
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Output resistance:
10 Ohms maximum
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Output initial status:
0mA (after RESET or POWER-ON)
u Digital Input
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Numbers of digital input channel:
4 isolated input channel
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Photo isolator:
PC3H4 or equivalent
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Isolation voltage:
2500Vrms
•
Input voltage:
up to 34Vdc
P
Logic "L": 0~3.0V
P
Logic "H": 3.2~34V
•
Input resistance:
2.4KΩ @ 0.5W
u Digital Output
•
Numbers of digital output channel:
4 isolated output channel
•
Photo isolator:
PC3H7 or equivalent
•
Isolation voltage:
2500Vrms
•
Output type:
Photo-coupler transistors, open collector up to 35Vdc
•
Sink current:
50mA maximum