Emerson DCX S - Table 5.10 Default User I;O Connector Pin Assignments

100-412-183 REV. 13 61
5.3.12 Default User I/O Connector Pin Assignments
* Pins 11, 12, 13, 16, and 19-23 are not used.
** If the input signals are not within their valid range, or if left unconnected, the power supply will use 50%
amplitude and zero frequency offset, respectively.
Table 5.10 Default User I/O Connector Pin Assignments
Pin* Function I/O Type Values
1 External Start Input Digital
Apply +24 VDC to run cycle
NOTICE
DCX S Power Supply must be in ready
mode before External Start.
2 External Seek Input Digital Apply +24 VDC to perform a seek
3 External Reset Input Digital Apply +24 VDC to reset alarm
4 Memory Clear Input Digital Apply +24 VDC to clear memory
5
+24 VDC Source from
DCX S Power Supply
I/O Signal
Source
+24 V, 250 mA max. supplied from
DCX S Power Supply
6
7 Ready
Output
Digital
+24 V indicates the system is ready
8 Sonics Active
Output
Digital
+24 V indicates ultrasonics are active
9 General Alarm
Output
Digital
+24 V indicates an alarm occurred
10 Seek/Scan Out
Output
Digital
+24 V indicates either Seek or a Scan
is in progress
14
+24 VDC Return and
I/O Return
I/O Signal
Return
Return for all pins except pins 17, 18,
24, and 25
15
17 Amplitude In Input Analog 1 V to + 10 V (10% to 100%)**
18 Frequency Offset Input Analog 1 V to + 9 V (5 V is zero offset)**
24 Power Out
Output
Analog
0 V to + 10 V (0% to 100%)
25 Amplitude Out
Output
Analog
0 V to + 10 V (0% to 100%)
26 Analog Signal Return
Analog
Signal Return
Return for pins 17, 18, 24, and 25