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TH, two-hand button
481
02/16 MN05013001Z EN
TH, two-hand button
The two hand button function block is used for the safety-
related monitoring of safety 1 or 2-channel two hand
buttons. It enables the safe enabling of a hazardous move-
ment while the operator actuates the two hand button.
easySafety allows the monitoring of up to seven 1-channel
or three 2-channel two hand buttons.
Function block
Figure 248:
Function block "two hand button"
a
TH..I1 and TH..I2 coils: 1-channel: Monitoring of both two hand
buttons (make). 2-channel: Monitoring of the connected two
hand button 1 (make/break combination).
Use only in the safety circuit diagram.
b
Coils TH..I3 and TH..I4: Only for 2-channels: Monitoring of
connected two hand button 2 (make/break combination).
Use only in the safety circuit diagram.
c
Coil TH..EN: Selective activation or deactivation of the function
block.
Use either in the safety or standard circuit diagram.
h
The function block supports two hand buttons in accord-
ance with EN 574, Type IIIC. The two hand buttons can be
configured with 1 or 2 channels.
I1
EN
QS
ER
DG:
TH...
Two Hand button
a
b
c
d
e
f
I2
I3
I4
DW
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