Murphy ST8 specifications Specifications, Description, General Information, Dimensions

Installation and Operation Instructions for SELECTRONIC® TATTLETALE® Annunciator Model ST8

ST-94112N

Revised 07-04

Section 25

(00-02-0758)

Please read the following information before installing. A visual inspection of this product for damage during shipping is rec- ommended before mounting. It is your responsibility to have a qualified person install this unit and make sure it conforms to NEC and local codes.

GENERAL INFORMATION

WARNING

BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT ✔ Disconnect all electrical power to the machine.

✔ Make sure the machine cannot operate during installation. ✔ Follow all safety warnings of the machine manufacturer. ✔ Read and follow all installation instructions.

Certain danger to human safety and to equipment may
occur if some equipment is stopped without pre-warning.
It is recommended that monitored functions be limited to	Specifications
alarm-only or to alarm before shutdown.
	All specifications apply to both models unless indicated.

Description

The ST8 is an eight point TATTLETALE® panel designed to give “first out”

indication of cause of alarm or shutdown. This “first out” feature means that only the first fault will be shown by LED; this feature isolates the primary cause of shutdown, and helps simplify troubleshooting. The ST8 is available in two different types of mounting: flush mounting (“F”), and gimbal mounting (“G”).

Power Input (Operating Voltage): 8–32 VAC, 8–40 VDC

Sensor Inputs: 8 sensor switches, normally open or normally closed dry contacts.

Number of Alarm Points: ST8: 8 first out shutdown/alarm.

Lockout Time Delay During Startup:

25 to 35 seconds (selectable for each sensor input).

ST8-F

5-11/16 in.

(144 mm)

6-3/8 in.

(162 mm)

2-3/16 in.

(56 mm)

DIMENSIONS

ST8-G

5-7/8 in.

(149 mm)

Gimbal Mounting

Bracket

5-3/8 in. (137 mm)

2-7/8 in.

(73 mm) Clearance

1-3/4 in.

(44 mm)

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