Figure 2-1. Trigger input equivalent circuit.
2.2 Trigger Output
Output Characteristics
•
Output Circuit
Open collector of a NPN transistor (nominal 0.4V saturation voltage) in series with 1k
Ω
resistor.
•
Collector Emiter Voltage
< 30 V
•
Output Current
< 4 mA
•
Reverse Voltage
< 7V
•
Isolation
Optically Isolated from all other circuitry. Common line with Trigger Input.
Figure 2-2. Trigger Output Optical Isolator NPN circuit.
2.3 Other Specifications
Hardware Interface
PCI Bus
Safety
Designed to IEC 1010-1, Installation Category I.
Temperature
Range
0
°
C to 50
°
C, operating
Size
9.2”
X
4.4”
Power
+5
volts,
550
mA
maximum
Note: Signametrics reserves the right to make changes in materials, specifications, product functionality, or
accessories without notice.
3.0 Getting Started
After unpacking the Scanner, please inspect for any shipping damage that may have occurred, and report any claims
to your transportation carrier.
The Scanner package is shipped with the Scanner module, four floppy disks containing software drivers, user
interface panel, and this Operator's manual.
3.1 Setting the Scanner
The SM4040 series Relay Scanners are PCI plug-and-play devices and do not require any switch settings, or any
other adjustments to the hardware prior to installation.
9
Signametrics
Summary of Contents for SM4020
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