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page 34 008-0608-01
3.3 Wiring
3.3.1 Channel
Connector
The pin-out for the channel’s connector is shown in the following table.
The Analog Output and Analog Return pins are electrically isolated from all other pins
on the instrument.
Do not connect anything to the pins labeled as “N/C”. Damage to the instru-
ment or loss of accuracy may result.
3.3.2 NPN Open-
Collector
Connection
.
Figure 3-1: NPN Open-Collector Connection to Frequency Input Channel
Table 3-1: Frequency Input Channel Pin Connections
Pin
Label
Function
NOTES
1 (top)
+EXC
(+)Excitation
referenced to pin 10
2
N/C
N/C
DO NOT CONNECT!
3
N/C
N/C
DO NOT CONNECT!
4
-EXC
(-)Excitation
referenced to pin 10
5
+SIG
(+)Signal
referenced to pin 10
6
-SIG
(-)Signal
referenced to pin 10
7
+OUT
Analog Output
referenced to pin 8
8
-OUT
Analog Return
-
9
N/C
N/C
DO NOT CONNECT!
10
DGND
Digital Ground
-
11
AUX1
Auxiliary Function 1
(connect to pin 10 to activate)
referenced to pin 10
12
(bottom)
AUX2
Auxiliary Function 2
(connect to pin 10 to activate)
referenced to pin 10
Содержание SC1000
Страница 7: ...Additional Channels for SC Series Instrumentation page 7 INTRODUCTION 1 ...
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Страница 31: ...Additional Channels for SC Series Instrumentation page 31 RTD INPUT CHANNEL 2 ...
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Страница 53: ...Additional Channels for SC Series Instrumentation page 53 FREQUENCY INPUT CHANNEL 3 ...
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