User Manual

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Signet 8900 Multi-Parameter

3. Installation and Basic Functionality

This section lists all items included with individual 8900 system components, describes installation detail for plug-in modules and base

units, and provides information and instruction on the basic functionality of the plug-in modules.

3.1 Unpacking

Base units, plug-in modules, accessories and spare parts are sold, packaged and shipped separately from the factory. Unpack all

components carefully. The following items accompany every 8900 base unit:

• 8900 Base Unit with a backlit LCD

• Front Face Panel Gasket (pre-installed on base unit)

• Quick-clip panel mounting bracket

• Adhesive Template for panel cutout

• Instruction Manual, Paper copy – English

• CD-ROM containing instruction manuals in English, French, German, Spanish, Italian and Portuguese

3.2 Tools and Equipment Required:

• Philips screwdriver (medium tip)

• Standard screwdriver (small/medium tip)

• Diagonal cutters (small)

• File (ﬁ ne)

• ¼-DIN punch or jigsaw suitable for cutting panel opening to within 1 mm (0.020 in.) tolerance.

• Remove terminals from the receptacle of each plug-in module prior to installation.

• Use diagonal cutters to remove slot shields from the rear panel for optional plug-in modules as required.

Only remove shields for slots to be used (UL safety requirement).

• Smooth any protruding edges with a ﬁ le.

• Reinstall the rear panel; it will hold the modules securely in place.

4. Plug-in Modules

• If the 8900 Base Unit will be mounted in a panel, plug-in modules may be installed either before or after the base unit is mounted.

If the 8900 Base Unit will be mounted using the accessory Wall Mount Bracket, ﬁ rst install plug-in modules.

• Plug-in modules are packaged in anti-static bags and contain individual instruction sheets and removable terminals for convenient

wiring. Minimize handling of plug-in modules to reduce the probability of damage due to static discharge.

• Power Modules include adhesive labels to be applied to the outside of the 8900 enclosure in speciﬁ c locations as illustrated in

section 4.2.

• The rear panel of the 8900 must be removed prior to installing or removing plug-in modules.

If plug-in modules are already installed, the terminals must be removed prior to removing the rear

panel. It may be helpful to use a standard screwdriver to gently pry removable terminals away

from the receptacle on the plug-in modules.

• Use a Philips screwdriver to loosen the two captive screws at the bottom of the panel. Pinch one

of the screws and swing the panel up approximately 90°, using the tab hinge at the top of the

panel, and pull it straight away from the base unit. Reverse this step to reinstall the panel after

the plug-in modules are installed.

Base unit 3-8900- _______ S/N___________________

I/O Module 3-8900.401-____ S/N___________________

Power Module 3-8900.402-____ S/N___________________

Relay Module 3-8900.403-____ S/N___________________

Ext Relay Module 3-8059-________S/N__________________

Output Module 3-8900.405-____ S/N___________________

OUT 2 OUT 1

SENSOR INPUTS

POWER

COMM PORT/

OUT 4 OUT 3

RELA 4RELA 3

RELA 2RELA 1

UT 2 UT 1

PER

MM PRT 

UT 4 UT 3

RE 2 RE 1

RE 4 RE 3

BL

RED

SLD

BL

RED

S L

SLD

BL

S L

SLD











ER IPUT







For future reference, for each installation, it is recommended to record the part number and serial number of each of the

components listed here:

Facility Tag Number or System ID (user assigned):_______________________