32
Rev. 1 | 01/2020 | MS Safety Module | © 2020 |
Comepi srl
EN
9.2 Function description
9.2.1 Two-hands console released
A
If the push buttons of the two-hands console are not operated,
the channel 1 (S11-S12) and channel 2 (S21-S22) inputs
are open, while the NC contact of S1 (on the console) is
closed between S11 and S22, and the NC contact of S2
(on the console) is closed between S12 and S21.
B
The NO safety outputs are switched off.
The MS1H21-024 can be used in THCD (Two Hand Control Device) applications up to level III-C according to EN 574 /
EN 13851.
9. MS1H21-024
S11-S12: channel 1 NO input
S21-S22: channel 2 NO input
Y1-Y2: NC feedback input
A1: power supply 24 Vdc (+)/Vac (~)
A2: power supply 24 Vdc (-)/Vac (~)
13-14: NO safety output
23-24: NO safety output
31-32: NC auxiliary output
34: PNP auxiliary output
9.1 Terminal layout
9.2.2 Two-hands console operated
A
If the push buttons of the two-hands console are pressed
simultaneously or with a delay time of max 0.5s, the channel
1 (S11-S12) and channel 2 (S21-S22) inputs are closed
B
The NO safety outputs switch ON, the NC auxiliary output
opens and the PNP auxiliary output is ON (+24Vdc)
C
The release of at least one push button of the two-hands
console forces immediately the safety outputs to the open
state, the NC auxiliary output to the close state and PNP
auxiliary output is OFF
D
A new operating cycle is possible only after releasing both
push buttons and operating them again
s
dn
a
H
2
el
ud
o
m
yt
ef
as
el
u
d
o
M
yt
ef
a
S
Power
Input 1
Input 2
Channels
34
A2
A1
Y2
S22
S12
Y1
S21
S11
13
23
14
24
31
32
MS1H21-024
