Input
Type
Description
1 = on
The following digital inputs can be read from a user application:
Input
Type
Description
0 to 7
external
Dry contact inputs.
These inputs are located on terminal P3.
0 = contact open (associated is LED off)
1 = contact closed (associated is LED on)
8 internal
VLOOP output status
0 = off
1 = on
See section
9 internal
DC/DC converter status
This bit reports the true status of the DC/DC converter. If
over-current causes the converter to be turned off, this bit
will clear.
0 = off
1 = on
See section
4.4.3- 12V to 24V DC/DC Converter Control
for details.
10 internal
VLOOP over-current status
Indicates VLOOP over-current has been detected. This input
clears when VLOOP output is off, or the over-current
condition clears.
0 = off
1 = on
See section
4.4.2.1- VLOOP Over-Current Protection
details.
11 internal
Digital output mismatch
Known outputs are compared to the corresponding inputs to
detect incorrect outputs. A point is compared if it has been
turned on at any time since controller reset. This input
indicates if one or more outputs mismatch. The source of the
mismatch can be determined by comparing each digital input
against the corresponding digital output.
0 = off
1 = on
12 Internal
COM3 (HMI) power.
0 = off
1 = on
See section
4.4.1-COM3 Serial Port Power Control
for
details.
SCADAPack 350 Hardware Manual
February 14, 2007
23