7.5 Cable Specifications
Cable lengths and cross-sections
1)
Maximum motor cable length, shielded
50 m (164 ft)
Maximum motor cable length, unshielded
75 m (246 ft)
Maximum cross-section of control terminals, flexible/rigid wire
2.5 mm
2
/14 AWG
Minimum cross-section of control terminals
0.55 mm
2
/30 AWG
Maximum STO input cable length, unshielded
20 m (66 ft)
1) For power cables, see Table 7.1 and Table 7.2.
7.6 Control Input/Output and Control Data
Digital inputs
Terminal number
18, 19, 27
1)
, 29, 32, 33
Logic
PNP or NPN
Voltage level
0–24 V DC
Voltage level, logic 0 PNP
<5 V DC
Voltage level, logic 1 PNP
>10 V DC
Voltage level, logic 0 NPN
>19 V DC
Voltage level, logic 1 NPN
<14 V DC
Maximum voltage on input
28 V DC
Pulse frequency range
4–32 kHz
(Duty cycle) minimum pulse width
4.5 ms
Input resistance, R
i
Approximately 4 k
Ω
1) Terminal 27 can also be programmed as output.
STO inputs
Terminal number
37, 38
Voltage level
0–30 V DC
Voltage level, low
<1.8 V DC
Voltage level, high
>20 V DC
Maximum voltage on input
30 V DC
Minimum input current (each pin)
6 mA
Analog inputs
Number of analog inputs
2
Terminal number
53
1)
, 54
Modes
Voltage or current
Mode select
Software
Voltage level
0–10 V
Input resistance, R
i
Approximately 10 k
Ω
Maximum voltage
-15 V to +20 V
Current level
0/4 to 20 mA (scaleable)
Input resistance, R
i
Approximately 200
Ω
Maximum current
30 mA
Resolution for analog inputs
11 bit
Accuracy of analog inputs
Maximum error 0.5% of full scale
Bandwidth
100 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminal 53 supports only voltage mode and can also be used as digital input.
Specifications
VLT
®
Midi Drive FC 280
78
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MG07B102
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