Technical specifications
A.2 CPU modules
Easy Book
Manual, 05/2009, A5E02486774-01
103
Digital inputs Description
Number of inputs
• CPU 1211C
• CPU 1212C
• CPU 1214C
• 6
• 8
• 14
Number that can be on simultaneously
• 6
• 8
• 14
Type Sink/Source (IEC Type 1 sink)
Rated voltage 24 VDC at 4 mA, nominal
Continuous permissible voltage 30 VDC, max.
Surge voltage 35 VDC for 0.5 sec.
Logic 1 signal (min.)
Logic 0 signal (max.)
15 VDC at 2.5 mA
5 VDC at 1 mA
Isolation (field side to logic) 500 VAC for 1 minute
Isolation groups 1
Filter times 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms (selectable in groups of 4)
HSC clock input rates (max.)
• CPU 1211C
• CPU 1212C
• CPU 1214C
Logic 1 level = 15 to 26 VDC
• Single phase: 100 KHz
Quadrature phase: 80 KHz
• Single phase: 100 KHz (Ia.0 to Ia.5) and 30 KHz (Ia.6 to Ia.7)
Quadrature phase: 80 KHz (Ia.0 to Ia.5) and 20 KHz (Ia.6 to Ia.7)
• Single phase: 100 KHz (Ia.0 to Ia.5) and 30 KHz (Ia.6 to Ib.5)
Quadrature phase: 80 KHz (Ia.0 to Ia.5) and 20 KHz (Ia.6 to Ib.5)
Cable length (meters) 500 shielded, 300 unshielded, 50 shielded for HSC inputs
Digital outputs Relay DC
Number of outputs
AC/DC/Relay and DC/DC/Relay
• CPU 1211C: 4
• CPU 1212C: 6
• CPU 1214C: 10
DC/DC/DC
• CPU 1211C: 4
• CPU 1212C: 6
• CPU 1214C: 10
Number of outputs that can be on
simultaneously
AC/DC/Relay and DC/DC/Relay
• CPU 1211C: 4
• CPU 1212C: 6
• CPU 1214C: 10
DC/DC/DC
• CPU 1211C: 4
• CPU 1212C: 6
• CPU 1214C: 10
Type Relay, dry contact Solid state - MOSFET
Voltage range 5 to 30 VDC or 5 to 250 VAC 20.4 to 28.8 VDC
Logic 1 signal at max. current
Logic 0 signal with 10 KΩ load
N/A
N/A
20 VDC min.
0.1 VDC max.
Current (max.) 2.0 A 0.5 A
Lamp load 30 W DC / 200 W AC 5 W
ON state resistance 0.2 Ω max. when new 0.6 Ω max.
Leakage current per point N/A 10 μA max.
Surge current 7 A with contacts closed 8 A for 100 ms max.
Overload protection No No
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