Preparation; Installation; Mounting Options For Ba11 Active Junction Box; I Nstructions For Mounting Ba11 On The Mounting Bracket, With Or - YOKOGAWA BA11 Instruction Manual

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3. Preparation

3-1. Installation

The BA11 Active Junction Box is used to allow multiple Modbus Terminal/Slave units
(e.g. SENCOM SA modules) to a Master/Host unit.
Before use, remove the dust- and protection caps of the applicable connectors.
Modbus Host
e.g. FLXA-402
WU11-M9-**-WP-S
Figure 4. Example of system configuration
For installation in Class I, Division 2 Hazardous (Classified) Location, refer to Control Drawing
D&E 2019-012-A60

3-2. Mounting options for BA11 Active Junction Box

The BA11 Active Junction Box can be mounted on a wall, pipe or backside of FLXA402
analyzer. Mounting materials can be ordered as option (/UM) or as spare part (K1548PM).
In the mounting instructions explained it is a choice to also mount the NEMA 4X bracket.
3-2-1. I nstructions for mounting BA11 on the mounting bracket, with or without
using the NEMA 4X bracket
Fasten BA11-base firmly on the mounting bracket using the two M6 screws supplied with
the option /UM. If applicable, the NEMA 4X bracket has to be mounted too according the
explanation figure 5.
IM 12B06W03-01E-E
max. 100m (328ft)
YPA Europe
Made in the Netherlands 3825HD-2
BA11
ACTIVE JUNCTION BOX
BUS SENSOR CONNECTIONS
IN OUT J1 J2
max. 100m
WU11-M9-**-CN-S
(328ft)
J3 J4