OSS21C function module

General data
Part number	25780980
Current consumption from backplane bus	100 mA
Power loss	2 W
Certification according to UL	No
Certification according to KC	No
Housing material	PPE/PPE GF10
Mounting	Profile rail 35 mm
Dimensions (W × H × D)	25.8 × 109 × 76.5 mm
Net weight	70 g
Weight including accessories	80 g
Gross weight	95 g
Operating temperature	0 °C to +60 °C
Storage temperature	-25 °C to +70 °C

Digital inputs
Number of counters	3
Shielded cable length	100 m
Unshielded cable length	1 m
Nominal load voltage	DC 20.4 – 28.8 V
Current consumption from load voltage L+ (without load)	20 mA
Nominal value	DC 20.4 – 28.8 V
Input voltage for signal "0"	DC 0 – 5 V
Input voltage for signal "1"	DC 11 – 28.8 V
Input current for signal "1"	3 mA
2-wire BERO cable possible	Yes
Maximum permitted BERO no-load current	1.5 mA
Input filter delay	1 ms internal cycle, no filter
Input characteristic	IEC 61131-2, type 3
Input data size	3-bit

Digital outputs
Number of counters	1
Shielded cable length	100 m
Unshielded cable length	1 m
Nominal load voltage	DC 20.4 – 28.8 V
Polarity reversal protection of the nominal load voltage	Yes
Current consumption from load voltage L+ (without load)	20 mA
Output voltage "1" signal at minimum current	L+ (-0 V)
Output voltage "1" signal at maximum current	L+ (-250 mV)
Output current at "1" signal, nominal value	500 mA
Output current at "0" signal (residual current) max.	5 μA
Output delay from "0" to "1"	1 ms internal cycle
Output delay from "1" to "0"	1 ms internal cycle
Lamp load	10 W
Parallel connection of outputs for redundant control	Not possible
Parallel connection of outputs for increased power	Not possible
Control of a digital input	Yes
Switching frequency for ohmic load	Maximum 300 Hz
Switching frequency for inductive load	Maximum 0.5 Hz
Switching frequency for lamp load	Maximum 10 Hz
Limit (internal) for the inductive interrupting voltage	L+ (-45 V)
Short-circuit protection of the output	Yes, electronic
Response threshold of the protection device	2.3 A

Status, alarms, diagnostics
Status display	Green LED per channel
Alarms	Yes, parameterizable
Process alarm	No
Diagnostic alarm	Yes, parameterizable
Diagnostic function	Yes
Diagnostic information can be read out	Possible
Supply voltage display	Green LED
Fault display for group fault	Red LED

Electrical isolation
Between channels and backplane bus	Yes
Between the areas	Backplane bus, 24 V DI/DO/encoder, motor output stage, FE (shield)
Max. potential difference between inputs and Minternal (Vins)	DC 75 V/AC 50 V
Insulation checked with	AC 500 V

Positioning module
Number of channels	1
Cable length (encoder)	20 m shielded
Input voltage (nominal value)	DC 48 V
Input voltage (permitted range)	DC 20.4 – 57.6 V
Motor current	5 A
Derating	Yes
Max. motor cable length	20 m shielded
Output stage	2 × full bridge PWM
Short-circuit protection	Yes
Brake chopper	External, if required
PWM frequency	32 kHz
Microsteps	64
Steps per revolution	Parameterizable
Encoder type	A/B/Z track 5 V differential
Max. encoder cable length	20 m shielded
Encoder frequency	50 kHz
Encoder resolution (internal)	Parameterizable
Control type	Open loop, closed loop
Controller temperature sensor	Yes
H-bridge temperature sensor	Yes

Positioning functions operating modes
Referencing to reference switch	Yes
Positioning without encoder	Yes
Positioning with encoder	Yes
Speed control	Yes
Torque control	Yes