Chapter 2 - Installation
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MNL000530
Revision 1
03/15/2018
BSGS eV / BULKGUARD eV
© Versum Materials, Inc. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
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Current-Consumption Calculations for AP11-powered devices:
The current-consumption calculation is necessary to ensure the total draw of all connected devices is
less than the 200mA capacity of the Customer Board. If using all 2-wire devices, no calculation is
required as the AP11’s capacity is sufficient for this configuration. For all other cases, use the
following table to determine the current-consumption.
Type
Number of
Devices
Multiply by
current draw
per device
Total
2-Wire (4-20mA) Device
X 20 mA
= mA
3-Wire Device
X mA
= mA
Externally-Powered Device
X 0 mA
= 0 mA
TOTAL
(Sum of Above)
Can
NOT
exceed 200 mA
mA
Note: If the manufacturer specifies power consumption in watts instead of current in
milliamps, assume that the device is receiving 15V and approximate the current draw as
follows:
