User Manual

1 Publicatio n 1000-UM001B-US-P - July 20 00
Chapter 3
Operational Procedure
Th e machine op erat or s hou ld not use the SLS to perform a norm al sto p
function. The SLS should only be used to isolate the system. Machine access is
allowed only after the SLS switch is locked and tagged in the OFF position and
the white S AFE light is illuminated to verify that the system is indeed isolated.
If the white SAFE light fails to illuminate when th e SLS switch is turned to the
OF F position, the machine can not be considered isolat ed nor safe. The
operator should not enter the machine, but should contact a SLS qualified
service technic ian.
Component Funct ion and
Description
Table 3.A SLS Box
Component Cat. No. Source Descripti on Repairable Function
Enclosure 32267-121-51 Allen-Bradley See-through cover Provides segregation and
protection of the SL S
components.
Mountin g pla te 32267-122- 02 Allen-Bradley Mounts eq uip m ent.
Control
transformer
B075-1017-GA Micron 480/400 – 120/110V No Provides 120V for control circuit.
Primary fuse block 1492-FB2C30-L Allen-Bradley Class CC rejection type
with blo w n fuse indication
No Secures fuse and indicates
status.
Primary f uses KLDR Allen-Bradley
or Little fuse
Class CC fuse No Protects C C T primary.
Secondary f use
bloc k
1492-FB1C30-L Allen-Bra dley Class C C rejecti on type
with blo w n fuse indication
No Secures and indicates status.
Secondary f use KLDR All en-Bradley
or Little fuse
Class CC fuse No Protects C C T secondary.
Pow er supp ly PS5 R- C / 50W 24V IDEC Curre nt li m iting 24V DC
with LED
No Provides current limited 24V DC
for S LS circuit.
Safety contactor 100S-C85D04C Allen-Bradley 85 A IEC safety contactor,
120V coil
No Provides i solation and stat us
through N. C . posit ive guided
auxiliary.
2 N.O. auxiliary 100-SA20 Allen-Bradley 2 N.O. auxiliary No Provides control circuits with
positive guidance and
mon itoring of power poles .
Surge suppressor 100-FSC280 Allen-Bradley 120V RC type No Absorbs coil spikes.