THORLABS TXP5016, Operation Manual

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© 2017 Thorlabs GmbH 16
TXP5016
Interlock connector (rear panel)
TXP5016 interlock connector
(9 pin DSUB, female)
Pin Name Description
1 REL_ON Connected to pin 2 when interlock is closed
2 REL_SEL Control Relay Switch
3 Auxiliary input +
4 ALARM- Interlock opto-coupler input "-"
5 CC_OUT Constant Current output (1.25 mA)
6 REL_OFF Connected to pin 2 when interlock is open
7 AUX_IN- Auxiliary input -
8 CHASSIS Chassis Ground
9 ALARM+ Interlock opto-coupler input "+"
Interlock Relay
The interlock relay connection is shown to the left.
This state applies when the interlock circuit is closed (normal operation).
When the interlock circuit is interrupted, the relay switches off and contacts 2
and 6 are connected.
The contacts 1-2-6 can be used for external signalization (optic or acoustic
warnings).
Interlock circuit
This is the standard connection of a closed interlock, as it provided
with the interlock plug that comes with the TXP5016.
The Constant Current output is supplied to the opto-coupler inputs
ALARM+ (pin 9) and ALARM- (pin 4).
In order to use the interlock e.g. with an emergency switch, this switch
should have an opener contact (active open) and be connected between pin 5 and 9.