Festo CMMS-ST-C8-7-G2 User Manual

A Technical appendix
38 Festo – GDCP-CMMS-ST-G2-S1-EN – 1404NH – English
A.1.3 Electrical data [X1], [X3]
Control ports DIN4, DIN5 [X1.21, X1.9]
Nominal voltage [V DC] 24 (related to 0 V)
Voltage range [V DC] 19.2 … 28.8
Nominal current [mA] 2 .5 (typical; maximum 3)
Input voltage threshold
Switch on [V DC] ≥ 13.1
Switch off [V DC] ≤ 3.4
Switching time from High to Low [ms] ≤ 3
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 digital inputs at [X1]
Control port Rel [X3.2 ]
Nominal voltage [V DC] 24 (related to 0 V)
Voltage range [V DC] 19.2 … 28.8
Nominal current [mA] 20 (typical; maximum 30)
Input voltage threshold
Switch on [V DC] ≥ 17.9
Switch off [V DC] ≤ 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-ST up to Rev 05 [n
op
] 10 000
CMMS-ST from Rev 06 [n
op
] 10 x 10
6
Tab. A.6 Technical data: electrical data of the control port Rel [X3]
Acknowledgment contact NC1, NC2 [X3.5, X3.6]
Design Relay contact, normally closed
Max. voltage [V DC] < 30
Nominal current [mA] < 2000 at 30 V
Switching time closing [ms] < ( S witching 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;theser-
vic e life is reduced with higher load currents)
CMMS-ST up to Rev 05 [n
op
] 10 000
CMMS-ST from Rev 06 [n
op
] 10 x 10
6
1) Switching time  Tab. A.6
Tab. A.7 Technical data: electrical data of the acknowledgment contact NC1/NC2 [X3]

Festo CMMS-ST-C8-7-G2 Specifications

General

Brand	Festo
Model	CMMS-ST-C8-7-G2
Category	Controller
Language	English