Operating Instructions

Chapter 2—Hardware Features
TX-I/O Product Range Overview
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Siemens Industry, Inc.
Owner's Manual
553-104
Building Technologies
2018-10-01
TX-I/O LCD Panel by Point Type.
Point Type
(Displays in LCD Bottom Row)
Normal Operation
(Displays in LCD Top Row)
Analog Input, Current Low or high value
Analog Input, Resistance
Temperature
Analog Input, Voltage Low or high value
Analog Output, Current Low or high value
Analog Output, Voltage Low or high value
Digital Input, Counter Step indicator
Digital Input, N/C Contact
Inactive Active
Digital Input, N/O Contact
Inactive Active
Address Keys
The P1 Bus Interface Module (BIM) and I/O modules are addressed using a TX-I/O
address key.
Figure 39: TX-I/O Module Keys.
The keys are available in sets of 24, up to a maximum value of 72 (two sets of 12, 1-
24, 25-48, and 49-72).
● The I/O module address is mechanically encoded in the address key.
– Without an address key, the module is inactive.
– With an address key inserted, the module has full functionality.
● Based on the address, the PXC Modular, PXC-36, or P1 BIM configures the I/O
module, indicates which field devices are connected to this module, and which
function is required for the field devices.
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