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Page 24
FW-F043-T-M_v0404_01_EN.docx
4.6.3
TERMINAL 7-8: ALARM OUTPUT - TYPE OT
With SETUP 2.5 the function of this output is set to a low and / or high temperature alarm output.
A passive transistor output is available with this option. Max. driving capacity 300mA@50V DC.
Fig. 14: Terminal connections - Passive transistor output (Type OT).
4.6.4
TERMINAL 9-10: POWER SUPPLY BACKLIGHT - TYPE ZB (OPTION)
To power the backlight, a voltage in the range 20-30V DC has to be connected.
Maximum current 30mA. Connect the "
-
" to terminal 9 and the "
+
" to terminal 10.
Fig. 15: Terminal connections - Backlight (ZB).