Installation
CG-1220 DTR
3-7
3.3.1.2 Monopulse
Option
Table 3-4 and 3-5 describes the pin number, designation and function of the two
I/O ports. The tables show the monopulse option configuration. Connections to
the monopulse tracking plate are described below; refer to the preceding section,
Default Configuration, for pins that are not described here.
TABLE 3-4
I/O INTERFACE 1, MONOPULSE CONFIG.
1,14
+OUT, -OUT (DAC#1)
Analog Output Voltage #1, Common
2
SHLD_OUT
Shield for +/- OUT pair
3,16
+AUX, -AUX (DAC#2)
Analog Output Voltage #2, Common
15
SHLD_AUX
Shield for +/- AUX pair
4,17
SUM_FLT
Summary fault relay contacts.
5,18
GPIO 0, (90 DEG, return)
90 degree command control
6,19
GPIO 1, (180 DEG, return)
180 degree command control
7,20
GPIO 2, (Mute, return)
Phase shifter mute control
8,21
GPIO 3, (FR0 Command, Return) Frequency Band Control (Optional)
9,22
GPIO 4, (FR1 Command, Return) Frequency Band Control (Optional)
10,23
GPIO 5, (FR2 Command, Return) Frequency Band Control (Optional)
11,24
GPIO 6, (Command, Return)
POL 1 select control line
12,25
GPIO 7, (Command, Return)
POL 2 select control line
13
SIG_GND (Reserved signal)
DTR signal ground; THIS IS NOT A SAFETY GROUND POINT
1,14
+OUT, -OUT (DAC#1)
Analog Output Voltage #1, Common
TABLE 3-5
I/O INTERFACE 2, MONOPULSE CONFIG.
PIN NUMBER
DESIGNATION
FUNCTION
1,14
+OUT, -OUT (DAC#1)
Analog Output Voltage #1, Common
2
SHLD_OUT
Shield for +/- OUT pair
3,16
+AUX, -AUX (DAC#2)
Analog Output Voltage #2, Common
15
SHLD_AUX
Shield for +/- AUX pair
4,17
SUM_FLT
Summary fault relay contacts.
5,18
GPIO 8 (Mute status, return)
Mute status (short=on)
6,19
GPIO 9 (Mute status, return)
Mute status (short=off)
7,20
GPIO 10 (1.40625 DEG, return) 1.40625 degree command control
8,21
GPIO 11 (2.8125 DEG, return)
2.8125 degree command control
9,22
GPIO 12 (5.625 DEG, return)
5.625 degree command control
10,23
GPIO 13 (11.25 DEG, return)
11.25 degree command control
11,24
GPIO 14 (22.5 DEG, return)
22.5 degree command control
12,25
GPIO 15 (45 DEG, return)
45 degree command control
13
SIG_GND (Reserved signal)
DTR signal ground; THIS IS NOT A SAFETY GROUND POINT
Summary of Contents for CG-1220
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