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AC500

Technical data

Digital S500 I/O modules
Type DX522 DX531 DO524
Number of channels per module
Digital inputs 8 –
outputs 8 relays 4 relays 32
Confgurable channels DC – – –
(confgurable as inputs or outputs)
Additional confguration of channels as
Fast counter configuration of max. 2 channels – –
per module, operating modes see
page 81
4 Occupies max. 1 DO or DC when used as counter – – –

Connection via terminal unit ? ? ?
Digital inputs
Input signal voltage 24 V DC 230 V AC or 120 V AC –
Frequency range – 47…63 Hz –
Input characteristic acc. to EN 61132-2 Type 1 Type 2 –
0 signal -3...+5 V DC 0...40 V AC –
Undefned signal state 5...15 V DC > 40 V AC...< 74 V AC –
1 signal 15...30 V DC 74...265 V AC –
Input time delay (0 -> 1 or 1 -> 0) 8 ms typically, configurable from 0.1 20 ms typically –
up to 32 ms
Input current per channel
At input voltage 24 V DC 5 mA typically – –
5 V DC > 1 mA – –
15 V DC > 5 mA – –
30 V DC < 8 mA – –
159 V AC – > 7 mA –
40 V AC – < 5 mA –
Digital outputs
Transistor outputs 24 V DC, 0.5 A – – ?
Readback output – – –
Relay outputs, supplied via process voltage UP, ? ? –
changeover contacts
Switching of load 24 V ? ? ?
230 V ? ? –
Output voltage at signal state 1 – – process voltage UP minus 0.8 V
Output current
Nominal current per channel – – 500 mA at UP = 24 V
Maximum (total current of all channels) – – 8 A
Residual current at signal state 0 – – < 0.5 mA
Demagnetization when switching off inductive loads – – by internal varistors
Switching frequency
For inductive load 2 Hz 0.5 Hz max.
For lamp load 11 Hz max. at max. 5 W
Short-circuit / overload proofness by external fuse / circuit breaker. 6 A gL/gG per channel ?
Overload indication (I > 0.7 A) – – after approx. 100 ms
Output current limiting – – yes, with automatic reclosure
Proofness against reverse feeding of 24 V signals – – ?
Contact rating
For resistive load, max. 3 A at 230 V AC –
2 A at 24 V DC
For inductive load, max. 1.5 A at 230 V AC –
1.5 A at 24 V DC
For lamp load 60 W at 230 V AC –
10 W at 24 V DC

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