YSI IQ SensorNet 2020 XT Terminal - Manual (Page 59)

System 2020 XT USB Installation
3 - 29 ba76019e01 12/2012
3.6 Installation of the MIQ modules at the installation
location
3.6.1 General information
The IQ S ENSOR N ET system has a comprehensive program of
mounting accessories, which can be used to adapt the installation to
the most varied requirements.
Caution
MIQ modules installed outside must always be protected by a sun
shield against the effects of the weather (snow, ice and direct
solar radiation). Otherwise, malfunctions can result. Always
mount MIQ modules vertically. Do not under any circumstances
install MIQ modules without rain protection with the lid facing
upwards (danger of retained humidity and penetration of
moisture).
Installation options The most important types of installation for MIQ modules and module
stacks are described in the following chapters:
 Mounting on a mounting stand with the SSH/IQ sun shield:
The SSH/IQ sun shield provides enough space for one unit of up to
three stacked MIQ modules and a docked terminal (section 3.6.2).
 Mounting on the SD/K 170 sun shield
The SD/K 170 sun shield provides enough space for a single
MIQ module with a docked terminal. The sun shield can be mounted
on round or square section pipes (e.g. rails) with the aid of the MR/
SD 170 mounting kit (section 3.6.3).
 Wall mounting:
The back MIQ module of a module stack or a single MIQ module is
permanently screwed to a wall. For wall mounting, use the WMS/IQ
mounting set (see chapter 10 A
CCESSORIES AND OPTIONS ).
 Panel mounting:
The front MIQ module of a module stack or a single MIQ module is
installed in the aperture of a panel. The aperture dimensions are
138 x 138 mm + 1 mm (maximum thickness 15 mm) according to
DIN 43700 or IEC 473 (section 3.6.4).
 Top hat rail mounting:
The back MIQ module of a module stack or a single MIQ module is
mounted on a 35 mm top hat rail with the aid of a bracket in
accordance with EN 50022, e.g. in a control cabinet. The connection
can be released again with one simple movement (section 3.6.5).