Simpson S663, Operation Manual, Page: 10 / 39

9
A INPUT
USER
INPUT
B INPUT
COMMON
COMMON
INPUT EXCITATION
ISO+12V
ISOCOM
+
_
__
---
1 2 3 4 5 6
ON
PNP SENSOR
LOW BIAS
LOW FREQUENCY
SOURCING
HIGH BIAS
HIGH FREQUENCY
SINKING
A INPUT
USER
INPUT
B INPUT
COMMON
COMMON
INPUT
EXCITATION
ISO+12V
ISOCOM
+
_
__
---
1 2 3 4 5 6
ON
NPN SENSOR
LOW BIAS
LOW FREQUENCY
SOURCING HIGH BIAS
HIGH FREQUENCY
SINKING
OUTPUT
COMMON
+
A INPUT
USER INPUT
B INPUT
COMMON
COMMON
INPUT
1 2 3 4 5 6
ON
DRY CONTACT
LOW BIAS
LOW FREQUENCY
SOURCING HIGH BIAS
HIGH FREQUENCY
SINKING
Figure 8. Sensor Connection Examples Figure 8a. Sensor Input example
2.5 Quadrature Input Module
The Quadrature / Universal Input Module has two operational modes: Quadrature mode and
Standard mode. Quadrature Mode is selected by positioning JP1 and JP2 on pins 1 and 2.
Standard Mode is selected by placing JP1 and JP2 on pins 2 and 3 (see Figure 10 for details).
The Quadrature mode supports a wide range of encoders including the Simpson SE series.
While in Standard Mode, this module works similarly to the Standard Input module, with the
added capability to selectively invert A, B, and User input signals.
The Input module also provides for a User input signal. On the S663, this input serves as a
Rate hard-wire reset. This may be used, for example, to reset a latched output configured as an
over speed alarm.
2 B Channel Frequency: OFF = Hi* (low pass filter disabled)
ON = Lo (low pass filter enabled)
3 B Channel Sensor: OFF = Sinking* (internal pull-up enabled)
ON = Source (internal pull-down enabled)
4 A Channel Bias: OFF = Hi VLT = 5.0 V VUT = 7.0V (+/- 10%)
ON = Low* VLT = 1.6 V VUT = 3.6V (+/- 10%)
5 A Channel Frequency: OFF = Hi* (low pass filter disabled)
ON = Lo (low pass filter enabled)
6 A Channel Sensor Type: OFF = Sinking* (internal pull-up enabled)
ON = Source (internal pull-down enabled)
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