Bosch Appliances EX27 Voltage Input, 12VDC or 24VAC Electrically Isolated Board

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7. VOLTAGE INPUT

The camera unit is pre-connected with an electrically isolated power board for 24VAC or 12VDC operation with no wiring change or wiring polarity. See figure 7-1 for wiring details.

Note: Input voltage is 10.5VDC to 40VDC for DC input. The AC input range is 12VAC to 28VAC.

Power	Power
IN	OUT
from	to
supply	camera

FIGURE 7 – 1

12VDC or 24VAC

Electrically Isolated Board

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Contents EX27/EX27N/EX27D Important Safety Instructions Page 89/336/EEC Electromagnetic Compatibility Directive Page Index EX27/27N/EX27D Description Unpacking EX27/EX27N/EX27D camera assemblyEX27/EX27N Mechanical Specifications EX27D Mechanical Specifications Initial Preparations Guidelines Following installation guidelines must be followed12VDC or 24VAC Electrically Isolated Board Voltage InputRemove the four cap screws with a 3mm Allen key. See -1on Camera and Lens AccessRear Housing Removal Camera and Lens Access Photocell Adjustments EX27/EX27D Day/Night Switch Adjustment EX27 Vari-focal Lens Focus Adjustment Lens AdjustmentsPage OSD Menu System Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Problem Possible Likely Cause Solution Troubleshooting GuideNo Video cont’d Poor Picture Quality Poor Picture Quality Subject to Change Without Notice General SpecificationsPage Page Page