Research Concepts RC2500 - Manual (Page 133)

126 RC2500 Antenna Controller Appendix L Replacing the Electrospace 93C-23
Research Concepts, Inc. • 5420 Martindale Road • Shawnee, Kansas • 66218-9680 • USA www.researchconcepts.com
RC2500 Pin #
& (resource) Description 83MC4 Pin #
(0.4V = direction CCW)
2 Drive Ground (return path for AZ, EL, & POL drive
command and limit status lines) DRIVE GND TB3-1,2
3 (PA0) Azimuth Enable, pull-down drive, 700mA max sink. (0.4V
= AZ move) AZ EN TB3-3
4 (PA4) Elevation Enable, pull-down drive, 700mA max sink.
(0.4V = EL move) EL EN TB3-7
5 Drive Ground (return path for AZ, EL, & POL drive
command and limit status lines) DRIVE GND TB3-1,2
6 (PA3) Azimuth Brake, solid state drive, 700mA max sink. (0.4V
= AZ Brake release) AZ BRK TB3-6
7 (PA7) Elevation Brake, solid state drive, 700mA max sink. (0.4V
= EL Brake release) EL BRK TB3-10
8 Drive Ground (return path for AZ, EL, & POL drive
command and limit status lines) DRIVE GND TB3-1,2
9 (PA6) EL Slew, solid state drive, 700mA max sink. (PC1 0.4V =
EL Fast Slew) EL SLEW TB3-??
10 (PB0) Azimuth CCW Limit Status input, 24 VDC low
current.(same as J6-16) not used here. No connect
11 nc
12 nc
13 nc
14 (P2.4) Azimuth Interlock Status input, 24 VDC low current. (0V =
AZ fault) AZ INTLK TB3-17
15 (HSI.1) Elevation Interlock Status input, 24 VDC low current. (0V
= EL fault) EL INTLK TB3-20
16 (PB7) Drive Ground (Emergency Stop status return) DRIVE GND TB3-1,2
17 (PB0,
HSI.1, P2.4) Drive Ground (Interlock Status and Az CCW Lim return;
same as J6-4) DRIVE GND TB3-1,2
18 (PB0,
HSI.1, P2.4) Drive Ground (Interlock Status and Az CCW Lim return;
same as J6-4) DRIVE GND TB3-1,2
19 (PB7) System Interlock Status Input, 24 VDC low current.
(ESTOP input, 0V = Emergency STOP) SYSTEM INTLK TB3-16
20 Nc
21 (PA2) AZ Slew, solid state drive, 700mA max sink. (0.4V = AZ
Fast Slew) AZ SLEW TB3-??
22 (PA5) Elevation Direction, pull-down drive, 700mA max sink.
(0.4V = move DOWN) EL UP/DWN TB3-8
23 (PC2) Polarization Enable, pull-down drive, 700mA max sink.
(0.4V = POL move) POL EN TB3-??
24 (PB6) System Interlock status input, 24 VDC low current. (0V =
ESTOP or Interlock open) SYSTEM INTLK
TB3-16
25 (PB6) ACU / Local Status input, low current return path (0V =
Local Pedestal controls active.) ACU/LOCAL STATUS
TB3-13
In addition to a Maintenance status indication, the Voltage on pin 24 is used to power the electronic
components that reside on the A.I.U.-side of the opto-isolation barrier. When no System Interlock Input is
present, this pin must still be powered by between +15 and +28V (and its return line connected to “-“) in
order for the RC2500 drive system to function.