A Technical appendix
38 Festo – GDCP-CMMS-AS-G2-S1-EN – 1306NH – English
A.1.3 Electrical data [X1], [X3]
Control ports DIN4, DIN5 [X1.21, X1.9]
Nominal voltage [V] 24 (related to 0 V)
Voltage range [V] 19.2 … 28.8
Nominal current [mA] 2.5 (typical; maximum 3)
Input voltage threshold
Switching on [V] ≥ 13.1
Switching off [V] ≤ 3.4
Switching time from high to low [ms] ≤ 5
Switching time from low to high [ms] ≤ 8
Maximum test impulse length [µs] Not specified; no tolerance against test impulses
Tab. A.5 Technical data: Electrical data for the inputs at [X1]
Control port Rel [X3.2]
Nominal voltage [V] 24 (related to 0V)
Voltage range [V] 19.2 … 28.8
Nominal current [mA] 20 (typical; maximum 30)
Input voltage threshold
Switching on [V] ≥ 17.9
Switching off [V] ≤ 2.5
Switching time from high to low [ms] ≤ 12
Switching time from low to high [ms] ≤ 20
Maximum test impulse length [µs] Not specified; no tolerance against test impulses
Service life of relay input, switching cycles n
op
CMMS-A S-...-G2 Rev. 01 [n
op
] 100 000
CMMS-A S-...-G2 Rev. 02 [n
op
] 10 x 10
6
Tab. A.6 Technical data: electrical data of the c ontrol port Rel [X3]
Acknowledgment contact NC1, NC2 [X3.5, X3.6]
Feature Relay contact, normally closed
Max. voltage [V DC] < 30
Nominal current [mA] < 2000 at 30 V
Switching time closing [ms] < (Switching time from high to low
1)
+ 9 ms)
Switching time opening [ms] < (Switching time from low to high
1)
+ 9 ms)
Service life of acknowledgment contact, switching cycles n
op
(at 24 V and I
Contact
=10mA;
the service life is reduced with higher load currents)
CMMS-A S-...-G2 Rev. 01 [n
op
] 100 000
CMMS-A S-...-G2 Rev. 02 [n
op
] 10 x 10
6
1) Switching time
Tab. A . 6
Tab. A.7 Technical data: electrical data of the ac knowledgment c ontact NC1/NC2 [ X3]
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