ADEMCO VISTA-100 Service Manual download pdf (Page 57)

ORDERING:

Part No. Description

4208SNF Universal Class/B Expander Module

Physical

• 6-7/16" W X 4 1/4 H X 1-1/4" D

(163mm X 108mm X 32mm)

Electrical

• Used as a Zone Expander

• Addressable V-Plex loop Voltage: 11v nominal; 8.7 -

14VDC range – Current 33.6mA when polling loop provides

power to module; 0.6mA when 12VDC input provides

power to module

• 12VDC Input Voltage:12V nominal: 9.4 - 14 VDC range –

Current: 33mA when this input provides power to module

(optional)

• Used as a Class A Converter

• 12VDC Input Voltage:12VDC nominal, 9.4 - 14VDC range,

• Current: 22mA

Agency Listings

• UL985 Household Fire

• UL1023 Household Burglary

• UL609 Commercial Burglary

• UL864 Commercial Fire

• CSFM

• FM

• CUL

• CE

(requires part#N6361)

MOUNTING INSTRUCTIONS

When used as a zone expander, the 4208SNF may be placed

inside the control panel cabinet or mounted remotely. When

used as a Class B to Class A zone converter, the 4208SNF

must be placed inside the control panel cabinet.

EXPANDER SENSOR LOOP RESPONSE

• Slow: 400msec (all loops)

• Fast: 10msec (options for loops A and B)

EXPANDER SENSOR LOOP CURRENT

• 0.52mA (normal)

• 1.3mA_ (shorted)

Note: Addressable loop input = 11VDC, no external power

input required

SENSOR LOOP MAX. RESISTANCE

• Loops A - F (Class 8); Up to 300 ohms of wire resistance +

10k EOLR

• Loops G, H (Class A); Up to 150 ohms of wire resistance

on each side

CURRENT DRAW CALCULATIONS:

SPECIFICATIONS:

4208SNF

UL Listed V-Plex Zone Expander

Power Input Source Expander/Converter

Current Draw from

Addressable Loop

(all zones shortened)

Current Draw from

External Power

(all zones shortened)

Addressable Loop

Only

Expander 33.6 mA N/A

Addressable Loop and

External Power Input

Expander 0.6 mA 33 mA

External Power Only Converter

N/A

22 mA

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