18. Interface specifications
MiR1000 Shelf Lift User Guide (en) 12/2020 - v.2.1 ©Copyright 2019-2020: Mobile Industrial Robots A/S.
228
The GPIO supports low current/power devices like relays, contactors, lamps, and separate
PLC units.
Figure 18.3. Outputs and RTNs are used to send signals to the top module, and inputs and 24 V pins are used to
receive signals from the top module.
The GPIO has the following features:
•
Four inputs, for use with 24 V, but robust against 48 V.
•
Four outputs, for use with 24 V.
MiR1000 uses the GPIO interface to communicate to MiR Shelf Lift as described in
contains the description of the pins of the GPIO interface.
Pin
number
Signal
name
Max.
current
Description
1
O0
1 A at 24 V
When active, the lift resets.
2
RTN
Protected return.
Table 18.2.
Description of the pins in the GPIO interface