Redundant Power Supply Module Simatic Simatic S7-400 6DD1607-0CA1 EXM438-1 Extension module
 

Specifications

Supply voltage
5 V DC   Yes
24 V DC  Yes ; to be set up externally
Input current
Current consumption, typ. 1.5 A
Encoder supply
Output voltage about 14 V (non-isolated)
Short-circuit protection Yes ; Electronic
Output current
Output current, rated value 100 mA
Hardware configuration
Slots
required slots 1
Digital inputs
Number of digital inputs 16
Input voltage
Rated value, DC 24 V
for signal “0” -1 to +6 V or input open

for signal “1” +13 to +33 V
Input current
for signal “0”, max. (permissible quiescent current) 0 mA
for signal “1”, typ. 3 mA
Input delay (for rated value of input voltage)
for standard inputs
at “0” to “1”, max. 200 µs
Digital outputs
Number of digital outputs 8
Short-circuit protection Yes ; electronic/thermal
Response threshold, typ. 250 mA
Limitation of inductive shutdown voltage to Supply voltage +1 V
Output voltage
for signal “0”, max. 3 V
for signal “1”, max. Supply voltage -2.5 V
Output current
for signal “1” rated value 50 mA
for signal “1” permissible range for 0 to 40 °C, min. 100 mA
for signal “0” residual current, max. 20 µA
Total switching current 80% at 50 °C all outputs 50 mA
Output delay with resistive load
“0” to “1”, max. 15 µs
Analog inputs
Number of analog inputs 5 ; Differential inputs
Input ranges (rated values), voltages
-10 V to +10 V Yes ; -10 V: +/-4 LSB; to +10 V: +/-4 LSB (1 LSB = 4.88 mV)
Input resistance (-10 V to +10 V) 470 kΩ
Analog outputs
Number of analog outputs 8 ; 4 outputs 16 bit; 4 outputs12 bit
Voltage output, short-circuit protection Yes ; relative to frame
Voltage output, short-circuit current, max. 16 bits: 27 mA; 12 bits: 100 mA
Output ranges, voltage
-10 to +10 V Yes
Analog value generation
Integration and conversion time/resolution per channel
Resolution with overrange (bit including sign), max. 4 AO: 16 bits, 4 AO: 12 bits, 5 AI: 12 bits
Conversion time (per channel) 4 AO (16 bits): 2 µs; 4 AO (12 bits): 4 µs; 5 AI: 45 µs

Number of connectable encoders, max. 12 ; 8 incremental encoders (synchronizable), 4 absolute encoders
Connectable encoders
Incremental encoder (symmetrical) Yes
Incremental encoder (asymmetrical) Yes
Absolute encoder (SSI) Yes ; Single or multiturn encoder with SSI (synchronous serial) or
EnDat interface
Encoder signals, incremental encoder (symmetrical)
Trace mark signals 1) for tracks A and B (90° out of phase), poss. with zero pulse N; 2)
for separate forward and backward track
Input signal With 0 signal: -5 to 0 V; with 1 signal: +3 to +5 V; permissible input
voltage range: differential voltage -5 to +5 V; max. input current: 15
mA (important: not limited on module side!)
Encoder signals, incremental encoder (asymmetrical)
Trace mark signals Track A and B (phase-shifted by 90 degrees), possibly with zero
pulse N
Input voltage with 0 signal: -30 to +4 V (at 15 mA load); with 1 signal: +8 to 30 V
(at 15 mA load); permissible input voltage range: differential voltage –
30 to +30 V
Encoder signals, absolute encoder (SSI)
Input signal 5 V acc. to RS 422
Data signal Dual-, Gray-, Gray-Excess-Code
Clock frequency, max. 2 MHz ; 100 kHz to 2 MHz (depending on cable length)
Errors/accuracies
Linearity error (relative to output range), (+/-) (+/- 1 LSB )
Galvanic isolation
Galvanic isolation digital inputs
Galvanic isolation digital inputs No
Galvanic isolation digital outputs
Galvanic isolation digital outputs No
Galvanic isolation analog inputs
Galvanic isolation analog inputs No
Galvanic isolation analog outputs
Galvanic isolation analog outputs No
Weights
Weight, approx. 1 kg

OTHER SUPERIOR PRODUCTS