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Siemens Schweiz AG A6V11646018_en--_k
Smart Infrastructure 2023-02-27
Onboard inputs and outputs
UIO Universal inputs and outputs support the following signal types:
● Passive sensors LG-Ni 1000, 2x LG-Ni1000, Pt 1000 (375, 385), NTC 10k (Type II / Beta (0-50 °C) =
3892 K), NTC 100k
● Resistance sensors 1000 Ohm, 2500 Ohm, 1000...1175 Ohm (for setpoint shift)
● Voltage input analog DC 0…10 V
● Current measurement analog DC 0...20 mA or 4...20 mA, (inputs U1, U2, U7, U8)
● Binary potential-free contacts for signaling functions
● Counter to 25 Hz (electronic switch to 100 Hz)
● Analog outputs DC 0…10 V
DO Relay outputs for binary controls, changeover contact
(NO, NC, pulse)
Equipment combinations
TXM I/O modules
Description Type
1)
Data sheet
Digital input module 8 or 16 I/O points TXM1.8D, TXM1.16D CM2N8172
Universal module without / with local operation and LCD TXM1.8U, TXM1.8U-ML CM2N8173
Super universal module without / with local operation and LCD TXM1.8X, TXM1.8X-ML CM2N8174
Relay module without / with local operation TXM1.6R, TXM1.6R-M CM2N8175
Resistance measuring module (for Pt100 4-wire) TXM1.8P CM2N8176
Triac module TXM1.8T CM2N8179
Digital input and relay module TXM1.4D3R CM2N8188
1)
Module series B and higher. In following use cases only series D can be used (available as of 2012):
● I/O bus communication mode "Event"
● Multi state input on TXM1.8D / TXM1.16D
● Multi state output on TXM1.6R / TXM1.6R-M
PXC4 can power TXM extensions modules.
For further details see PXC4, PXC5 & PXC7 Planning overview A6V13054435 and data sheets.
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