SM 1690
page 12 of 18
File: SM1690_r5eng - Dec. 2013 - Technical note: SM1690
SM 1690
SM 1280
SM 1690
File: SM1690_r5eng - Dec. 2013 - Technical note: SM1690
page 13 of 18
Connector # 6 wiring
MONITOR SIGNALS
valid for all versions
On the “D” type fermale connector #6, installed on the rear
panel of the PSU, there are two monitor signals, in the range
0 - 10Vdc (pin 2 and pin 3, ground on pin 15 and 16 respecti-
vely)
Forward and Reverse
Power Monitor
(if signals are availables)
Magnetron voltage
and current Monitor
(default setting)
CONN. #6
Forward Power
*
10 V= 10000 W
Output Voltage V
a
1 V
mon
= 1000 V
Pin #2
(return pin #15)
Reverse Power
*
10 V= 5000 W
Output Current I
a
1 V
mon
= 200 mA
Pin #3
(return pin #16)
Description
BIT 3
[22]
BIT 2
[ 9]
BIT 1
[21]
BIT 0
[ 8]
No alarm
0
0
0
0
Magnetron Overtemperature
0
0
0
1
Rack Overtemperature
0
0
1
0
Arc Detection (on head)
0
0
1
1
Overcurrent
0
1
0
0
Overvoltage
0
1
0
1
Air Pressure Low (on head)
0
1
1
0
Water Flow Low (on head)
0
1
1
1
Interlock
1
0
0
0
Current Leakage on Ground
1
0
0
1
Rack Alarm
1
0
1
0
not implemented
1
0
1
1
not implemented
1
1
0
0
not implemented
1
1
0
1
Communication Interrupted
1
1
1
0
Bus Communication Failed
1
1
1
1
