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Programming & Diagnostics

G-Series LED Diagnostic Codes

G-Series sensor red and green LEDs are intended to provide basic visual feedback for normal sensor operation and troubleshooting. These LEDs are located

at the end of the sensor where the cable or connector is terminated. The green LED is used to indicate power applied and normal operation while the red LED

is used to indicate programming mode operation and errors. See Table 4 for normal operation and diagnostic LED codes.

Table 4 - G-Series LED Codes

Green

OFF

FLASHING

OFF

FLASHING

OFF

FLASHING

Notes:

M M i i s s s s i i n n g g ( ( e e x x t t e e r r n n a a l l ) ) i i n n t t e e r r r r o o g g a a t t i i o o n n - If the sensor is a Start/Stop or PWM output style, with external interrogation,

then no interrogation signal has been received over the timeout period. Standard timeout is 0.5 seconds.

M M a a g g n n e e t t s s i i g g n n a a l l w w e e a a k k - Sensor is still operating, but magnet placement should be corrected to assure continued

operation. (May also indicate other problems that cause weak magnet return signals.)

P P o o w w e e r r o o u u t t o o f f r r a a n n g g e e ( ( h h i i g g h h o o r r l l o o w w ) ) - Supply voltage is nearly beyond the acceptable limits. If voltage is low the

sensor is still operating, but the supply voltage should be corrected to assure continued operation. If the

voltage is high the sensor is still operating, but the sensor's over-voltage protection may engage, powering off

the sensor temporarily. The over-voltage should be corrected to assure continued operation and avoid

possible permanent damage.

G-Series External Programming and Diagnostics

Temposonics G-Series sensors are preconfigured at the factory by model code designation. In many applications, the G-Series field programming tools are

not necessary to obtain the desired sensor operation. The three programming tools are described in Table 5 .

Table 5 - G-Series Programming & Diagnostic Tools

Programming & diagnostic tool

PC setup software

(part no. 625060)

PDA Palm OS software

(part no. 625061)

IR Setpoint programmer

(part no. 380077)

Caution:

Prior to initiating G-Series programming, it is critical that the user ensures that taking the sensor out of normal operating mode or modifying the sensor's operating param-

eters will not cause harm to the process utilizing the G-Series sensor feedback, nor to any persons associated.

Important Note:

Use of G-Series programming tools requires that users operate the sensors in one of the programming modes (serial or infrared) instead of the normal operational mode,

(i.e. sensor providing position feedback). It is critical to understand that the user must switch between programming mode and normal operation mode – programming

and normal operation cannot occur simultaneously. The only exception is that the G-Series Analog output sensor will still transmit its analog output over the output pins

(wires) while in programming mode. This is necessary to enable users to adjust the analog null and span setpoints.

Red

No power to sensor

Self-diagnostic error

Infrared programming mode (PDA or IR setpoint programmer)

Normal sensor function

Magnet not detected

Missing (external) interrogation

Serial programming mode (PC setup software)

Magnet signal weak

Power out of range (high or low)

Programming

Output parameters

Description

Digital-pulse outputs

Diagnostics

Status variables

Analog output

Programming

Output parameters

Adjust null and span setpoints

Diagnostics

Status variables