TM-273245 Page 38
S-74 MPa Plus
Receptacle
Value
Pin
7
Not used
8
SW
−
Reed 15 volts DC
9
Reed switch 0 volts DC/15 volts DC
10
Flow
switch 0 volts DC/15 volts DC
RC4
11
14 Pin D common
12
14 Pin N common
RC5
1
24 volts AC
−
in 14 Pin A reference to RC5
−
2
2
24 volts AC Circuit Common 14 Pin G
RC6
1
5 volts DC reference to RC6
−
4 DGND
2
USB DP
3
USB DM
4
DGND
RC8
1
Motor common
2
Gas valve common
3
Gas Valve 0 volts AC/24 volts AC when purged/triggered reference to RC8
−
2
4
Motor + 2 volts DC to 24 volts DC reference to RC8
−
1
RC9
1
Not used
2
Not used
3
Not used
4
Not used
RC11
1
Not used
2
Common
3
+15 volts DC
RC12
1
Tach signal 60 pulses per 1 RPM of motor 183Hz to 2.5kHz or 4 to 3.4 volts DC when running
2
Tach common
3
Tach power +15 volts DC
RC100
1
Chassis ground
.
No testing required for remaining plugs and receptacles.
Summary of Contents for S-74 MPa Plus
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