Electro-Sensors Electry-Sentry 1, Installation & Operation Manual

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990-005500 Revision D
II
For applications using a
Pulse-Train Speed Encoder
(i.e.,
Var01
= 0001):
Set the following variables as needed:
Variable Default
Value
User’s
Value
Var02 Pulse_Per_Rev Value.
Most Electro-Sensors pulser
targets give 8 PPR.
0008
PPR
Var03 PULSE_MAX_RPM.
This is the peak RPM of the
rotating pulser target seen in the
application, and the 100% RPM
on which the speed setpts are
based. (See Note
2
).
0200
RPM
Var10
MAX_ANALOG_RPM N.A. N.A.
Var04
Speed_Slowdown_Alarm_
SetPt %. (See Note 3 )
This is the ‘Yellow_Alarm’
speed expressed as a % of
Var03
PULSE_MAX_RPM.
0090
%
Var06 Speed_Shutdown_Alarm_
Setpt %. (See Note
3
)
This is the ‘Red_Alarm’ speed
expressed as a % of
Var03
PULSE_MAX_RPM.
0080
%
For
either type of Speed Encoder
(i.e.,
Var01
= 0000
or 0001):
Set the following variables as needed:
Variable Default
Value
User’s
Value
Var05
Speed_Slowdown_Alarm_
Delay
0001
sec
Var07
Speed_Shutdown_Alarm_
Delay
0001
sec
Var08 Underspeed_Start_Delay 0005
sec
Var09 Speed_Display_Select.
0000 = % and Enable.
0001 = RPM and Enable.
0002 = % and Disable
0003 = RPM and Disable
(See Note
3
)
0000
Var34
Hour_and_Speed_
Command_Select.
0000 = Maintained
Disable/Enable.
0001 = One-Shot Disable/Enable
with Disable = Closed.
0002 = One-Shot Disable/Enable
with Disable = Open.
0000
Factory default for Var34 is 0000 for a ‘Maintained’
Disable/Enable command needed at input
TB34.
Note: See the “ UserVar Variables ” section in the Reference
portion of the User Manual for details on any of the
above mentioned VarXX’s , if so needed.
What Speed alarms do you need?
Is a Speed Slowdown Warning Alarm or a Speed
Shutdown Alarm needed?
If so, connect the application’s ‘alarm’ circuitry to the ES1’s
terminal blocks as shown in the following table:
Function Relay
Output#
Terminal
Blocks
Speed (or temperature)
Shutdown Alarm 4 TB24
TB23
Speed (or temperature)
Warning Alarm 3 TB22
TB21
Speed Only
Shutdown Alarm 2 TB20
TB19
Speed Only
Warning Alarm 1 TB18
TB17
(These four ES1 relay outputs are ‘Dual Form C SPDT’).
See Reference portion of the User Manual, pages 16, 18,
and 19, for details on any of the above mentioned terminal
blocks, if so needed.