Olivetti DR N17, Service Manual

Page: 217 / 558

687200Q Service Manual 6-23
4. LVPS
↔
ENVELOPE FEEDER UNIT
Resistance of the Envelope Feed Solenoid
Signal Name Description
ENV PRES Signal for detecting if the optional Envelope Feeder is installed or not
(LOW level when the Envelope Feeder is in place, and HIGH level
when it is not in place)
NO PAP ENV Signal for detecting the absence of envelopes on the Envelope
Feeder (LOW level when envelopes are present, and HIGH level
when no envelope is present)
ENV FEED SOL Signal to actuate the Feed Solenoid which feeds en envelope on
MBF (Normally LOW level, and HIGH level when feeding)
P130 P16 Signal Name Signal Direction
E: ENV
L: LVPS
Trigger HIGH
Level
LOW
Level
7 1 ENV PRE E
→
L Level TTL TTL
4 4 NO PAP ENV E
→
L Level TTL TTL
1 7 ENV FEED SOL E
←
L Level +24V 0V
P11 P13 Signal Name Signal Direction
L: LVPS
M: MCU
Trigger HIGH
Level
LOW
Level
5 5 /ENV PRES L
→
M Level TTL TTL
6 6 NO PAPER ENV L
→
M Level TTL TTL
7 7 /ENV FEED
SOL L
←
M Level +24V 0V
Solenoid Resistance (Ambient Temperature: 20
o
C
)
Electromagnetic Clutch 172
Ω ±
10%