TM-273245 Page 46
S-74 MPa Plus
Receptacle
Value
Pin
RC21
1
Gun motor 0
−
24 volts DC reference to RC21
−
2
2
Gun motor 24 volts DC
3
Gun motor tach ref5 volts DC
4
Gun motor tach common
5
Gun motor tach 0 or 5 volts DC (PC1 motor control board RC1
−
1 to RC1
−
16)
6
Push-pull gun t15 volts DC
7
Push-pull gun trigger 15 volts DC when push-pull gun is triggered
8
Gun command ref5 volts DC
9
Gun command common
10
Gun command pot 0
−
5 volts DC reference to RC21
−
8
11
Gun sense 2.7V for AlumaPro Plus reference to RC21
−
14
12
RS485A
13
RS485B
14
Gun command common
RC100
1
Chassis ground
.
No testing required for remaining plugs and receptacles.