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57
Operating manual ZX09/20/21-Series
12.3
ZX20T/TP/TC, ZX21T/TP/TC
*) The specified switching times for the digital outputs only apply to a load current of at least 250 mA.
With smaller load currents, the switching time is longer; if necessary, the load current can be
increased by parallel connection of an additional resistor.
Electrical Data
Operating voltage U
B
(Terminal „L+“ und „M“)
DC 24 V (± 15%)
Current input at U
B
for ZX20T, ZX21T
for ZX20TP/TC, ZX21TP/TC
(all inputs activated / without load)
approx. 60 mA
approx. 160 mA
Power consumption at U
B
for ZX20T, ZX21T
for ZX20TP/TC, ZX21TP/TC
(all inputs activated / without load)
approx. 1.5 W
approx. 3.9 W
Digital inputs
Quantity
20
Input voltage
18 - 30 V
Input current
7 mA
Galvanic separation
No
Low-level
< 5 V
High-level
> 18 V
Pulse suppression
Configurable (see programming manual)
Max. Switch-on delay
1 µs
Max. Input frequency
500 kHz
Digital outputs
Quantity
16
Structure
PNP-transistors
Switching capacity per output
DC 10 - 30 V; 500 mA
Galvanic separation
No
Short circuit proof
Yes (see chapter 5.6 „outputs“)
Switching time
7 µs *)
Output voltage at “1“ (max. load)
„U+“ - 0.5 V
Processing time
Internal processing time FPGA
< 20 ns
Interfaces
Ethernet
Ethernet interface, 10Base-T or
100Base-T
PROFINET (ZX20TP, ZX21TP)
PROFINET IO Device Interface
EtherCAT (ZX20TC, ZX21TC)
EtherCAT Slave Interface
