SC532A 9-Pin Peripheral to 9-Pin RS232 Interface
3. Specifications
Input voltage
(to POWER jack)
A) 5 Volt Peripherals require 6
−
17 VDC
B) 12 Volt Peripherals require 12
−
17 VDC
Barrel connector: inner bore (+), outer sleeve (
−
)
(factory 120 V AC adapter supplies 12 VDC
unregulated @ 1A)
Output voltages
+5 VDC ± 0.075 VDC on PERIPHERAL connector
pin 1 and 6
−
17 VDC on PERIPHERAL connector
pin 8, depending on AC adapter in use (12 VDC
unregulated with factory AC adapter)
Current available to
5 V peripheral
+5 VDC @ 120 mA maximum at 25
°
C
derate 12 mA for each AC adapter Volt above 9 VDC
derate 1 mA for each
°
C above 25
°
C
Current available to
12 V peripheral
Factory provided AC adapter supplies unregulated
12 VDC @ 1 Amp
RS232 output levels
+10 VDC ± 1 VDC
−
10 VDC ± 1 VDC
Maximum output impedance = 1100
Ω
RS232 input levels
± 30 V maximum
Low threshold
≤
0.8 V
High threshold
≥
3.5 V
Input impedance at least 3000
Ω
9-pin inputs
Low
≤
1 V; High
≥
3.5 V
9-pin outputs
Low
≤
0.5 V; High
≥
3.5 V
Current drain
5 mA typical quiescent
10 mA maximum quiescent
Port Configuration
PC: 9-pin D-Subminiature Female configured as DCE.
Peripheral: 9-pin D-Subminiature Female connects to
peripheral through SC12 Two Peripheral Connector
Cable supplied with the SC532A.
Dimensions
4 5/8 x 1 3/4 x 1 inches (allow up to 1 1/4 inches
extra on 1 3/4 dimension for power connector strain
relief)
Weight
1 1/4 pounds with AC adapter
2
Summary of Contents for Campbell Scientific SC532A
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