2 Product description
27
2.4.2
Electrical Data
Designation
Value
Electrical Data – Power I / O
Supply voltage U
B
24 VDC -15% / +10%
(stabilised PELV mains unit)
Rated operating voltage U
e
24 VDC
Rated operating current I
e
10 A
(external fuse protection required)
Current consumption SFB
200 mA
Electrical Data – Device ports X0 – X7
Maximum cable length X0 – X7
10 m
Safety inputs
X1 and X2
Switching threshold
(acc. EN 61131, type 1)
- 3 V … 5 V (Low)
13 V … 30 V (High)
Current consumption per input
< 6 mA / 24 V
Permissible residual drive current
< 1.0 mA
Accepted test pulse duration on input signal
With test pulse interval of
0.01 … 1.0 ms
20 ms … 120 s
Classification
ZVEI CB24I
Sink:
C1
Source:
C1
C2
C3
Test pulse outputs
Y1 and Y2
Switching elements
p-type, short-circuit proof
Rated operating voltage U
e
24 VDC
Rated operating current I
e
Y1: 15 mA
Y2: 10 mA at 24 V / 30 mA at GND
Leakage current I
r
≤
0.5 mA
Voltage drop U
d
≤
3 V
Test pulse duration
≤
1 ms
Test pulse interval
500 ms
Classification
ZVEI CB24I
Sink:
C1
Source:
C1
Digital output
DO
Switching elements
2 p-type, short-circuit proof
Utilisation category
DC 12 / DC 13
Rated operating voltage U
e
24 VDC
Rated operating current I
e
0.8 A
Leakage current I
r
≤
0.5 mA
Voltage drop U
d
≤
1 V
Inductive load
≤
400 mH
Switching frequency output
≤
1 Hz
Test pulse duration
≤
1 ms
Test pulse interval
15 … 250 ms
Classification
ZVEI CB24I
Sink:
C1
Source:
C1
CAUTION
The sum of the total current of the individual device ports X0 - X7
for outputs A1 (power supply to devices) and DO (digital output)
should not exceed 850 mA.