Sentiotec HC4-B-RS485, Instructions For Installation And Use Manual, Page: 24 / 364

Installation instructions, only for experts p. 24/60
5.10. Power booster (optional)
1. Feed the cable for the power booster through cable gland
a
into the con-
nection area for 230 V/400 V.
2. Connect the cable for the power booster to terminal strip
h
in accordance
with the connection diagram. To do so, use terminal “
ST1
” for the safety
circuit, and terminal “
ST2
” for the control circuit. Follow the operating in-
structions for each device.
Fig. 6 Remote start
5.12. Speaker output (optional)
The loudspeaker output can be used to connect commercially available loud-
speakers with a recommended music load of approx. 25 W. The impedance
should be 8 Ω. The minimum cross-section of the speaker cables is 2 x 0.5 mm².
1. Feed the wires for the loudspeaker through the cable gland
7
into the low-volt-
age connection area on the expansion module.
2. Connect the loudspeaker wires to terminal strip
f
labelled RS- and RS+
for the right speaker and LS- and LS+ for the left speaker. For an optimal
sound experience, observe the polarity of the connecting cables.
5.11. Remote start (optional)
This is connected using the terminals “ RS1 ”, “ RS2 ”
and “ 24VDC ” on terminal strip
f
.
Using a switch or an actuator, the +24 VDC must be
switched to the terminal for the desired operating
mode, RS1 or RS2 .
In the technician menu, RS1 and RS2 can be as-
signed to any operating mode or user program
(see “10.16. Activating standby for remote op-
eration” on page 48 ).