PTI SENTRY 1510 - Troubleshooting Non-Responsive Electronics

11984 Rev 01 Page 5 of 5
6.1 Troubleshooting
The Sentry 1510 is not responding to changes fron the electronics
0-5 VDC
Ensure StptMode is set
to Single and SP1
equals your desired set
point.
Local
Control
Ensure StptMode is set
to Analog
Verify connec
tions to
your process tool.
(See Figure 6-1 for
basic wiring)
Yes
Verify that proper
voltages are present on
P2 of the supervisor
Yes
Replace Supervisor
Yes
Is the supervisor power
on?
Turn on supervisor
power
Is the desired set point
indicated next to Pres
SP?
No
Yes
No
Set Supervisor
Parameter StepLim
to Off
Is the supervisor
Parameter Step Limit
Off?
No
Yes
Is set point controlled locally at the supervisor or
via the analog 0-5 VDC?