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Field device supply (I/O module TXM)
AC 24 V output current (terminal V~ on the TXM
module)
1)
Sum of onboard V~ and TXM module V~ current is max. 2 A.
Field device supply (Onboard)
AC 24 V output current (terminal V≃)
DC 24 V output current (terminal V+)
1)
Sum of onboard V~ and TXM module V~ current is max. 2 A.
Screw terminals, plug-in
Cu-wire or Cu-strand with wire end sleeve
Cu-strand without wire end sleeve
Stripping length
Screwdriver
Max. tightening torque
On PXC4.M16
Modbus RTU interface
Interface type
Baud rate
Internal bus termination
Internal bus polarization
Cabling (in-house cabling only)
Cable length
Protection
Siemens Schweiz AG
Smart Infrastructure
1)
Max. 2 A, short-circuit proof
If PXC4.M16 is powered by DC voltage, the field device
supply on terminal V~ of the TXM modules is also DC
voltage.
1)
Max. 2 A, short-circuit proof
If PXC4.M16 is powered by DC voltage, the field device
supply on terminal V≃ is also DC voltage.
Max. 100 mA, short-circuit proof, protected against
incorrect wiring with AC 24 V
1 x 0.6 mm ∅ to 2.5 mm
2
(22 to 14 AWG)
2
or 2 x 0.6 mm ∅ to 1.0 mm
(22 to 18 AWG)
2
1 x 0.6 mm ∅ to 2.5 mm
(22 to 14 AWG)
or 2 x 0.6 mm ∅ to 1.5 mm
2
(22 to 16 AWG)
6...7.5 mm (0.24...0.29 in)
Slot screws, screwdriver size 1 with shaft ø = 3 mm
0.6 Nm (0.44 lb ft)
EIA-485, electrically isolated
300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, 76800, 115200 (depending on the configuration)
120 Ohm, switchable with DIP switch
270 Ohm pull-up/pull-down resistances, switchable with
DIP switch
3-wire cable, shielded cable recommended (shield must
be connected to building earth in the mounting panel)
Max. 1000 m (3300 ft)
Short-circuit proof
Protection against faulty wiring with AC 24 V and
DC 24 V
11
A6V11937668_en--_l
2023-12-22
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