Technical Data of the Digital Outputs
Parameter Value
Number of channels per module 8 normally-open relay outputs
Distribution of the channels into groups 2 (4 channels per group)
Connection of the channels O0 to O3 Terminals 10 to 13
Connection of the channels O4 to O7 Terminals 15 to 18
Reference potential for the channels O0 to O3 Terminal 14 (signal name R0..3)
Reference potential for the channels O4 to O7 Terminal 19 (signal name R4..7)
Relay coil power supply Terminal 20 (plus pole of the process
supply voltage, signal name L+). The minus
pole is provided by the I/O bus.
Indication of the output signals 1 yellow LED per channel; the LED is on
when the output signal is high (signal 1)
and the module is powered via the I/O bus
Way of operation Non-latching type
Relay output voltage
Rated value 24 VDC or 120/240 VAC
Output delay
Switching 0 to 1 (max.) Typ. 10 ms
Switching 1 to 0 (max.) Typ. 10 ms
Output data length 1 byte
Output current
Rated current per channel (max.) 2.0 A (24 VDC / 24 VAC / 48 VAC /
120 VAC / 240 VAC, only resistive loads)
2.0 A (24 VAC / 48 VAC / 120 VAC, only
pilot duty)
1.5 A (240 VAC, only pilot duty)
Rated current per group (max.) 8 A
Lamp load (max.) 200 W (230 VAC), 30 W (24 VDC)
Spark suppression with inductive AC loads Must be performed externally according to
driven load specification
Switching Frequencies
With resistive loads Max. 1 Hz
With inductive loads On Request
With lamp loads Max. 1 Hz
Output type Non-protected
Protection type External fuse on each channel
Rated protection fuse (for each channel) 5 A fast
Short-circuit-proof / Overload-proof No, should be provided by an external fuse
or circuit breaker
Overload message No
Output current limitation No
Connection of 2 outputs in parallel Not possible
Life time of relay contacts (cycles) 100.000 at rated load
I/O Modules > Digital I/O Modules
2019/04/17 3ADR010121, 13, en_US 249
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