IBM System/370 145 Reference Summary page 106

RELAY FUNCTION & LOCATION CHART
Relay
Location
No. Function Stage I Stage II
Refer to Refer to
Logic Page Logic Page
YE050 YB050
K1 MG Phase Rotation
K4 EPO Control
K5
1/0
Group I EPO
K6
1/0
Group
11
EPO
K7 1/0
Group
111
EPO
KS 1/0
Group IV EPO
K9 1/0
Group V EPO
K11 MG Check
K12 Power Check
K14 Power On
K15 MG Start Control
K16 MG Power Contactor
K20 Time Delay
K21 MG Hold
K22
400 Hz Power Control
K26
400 Hz Contactor
K27 AC Contactor
K28 Heads Extended Control
K29 60 Hz Citation Power
Control
K30 Blower Control
Contactor
K31 Seq I Detect
K32
Seq 2 Detect
K33 24V 2nd Seq Control
K34 Reg UV Control
K35
1/0
Power Hold
K38
1/0
Group I Power
Control
K39
1/0
Group 2 Power
Control
K40
1/0
Group 3 Power
Control
K41
1/0
Group 4 Power
Control
K42
1/0
Group 5 Power
II
Control
K44
Stepper Sw
1/0
Group p
K45 Stepper Sw
1/0
Group 2
K46 Stepper Sw
1/0
Group 3
K47 Stepper Sw
1/0
Group 4
K48 Stepper Sw
1/0
Group 5
K53 Console File AC
K55 Console File Start
K57 CPU Metering
K58 SPF Metering
K60 MG Overvoltage Reed
K151 Power Reset
K154 Console File DC
9.4