Festo VTEM Operating Instructions Manual page 7

12.2 Technical data, pneumatic
Characteristic valve values
Switching time on
Switching time off
C value
Standard nominal flow rate
Pressurisation
(6 bar against 5 bar)
Standard nominal flow rate
Exhaust port
(6 bar against 5 bar)
Direction of flow
Tab. 23: Characteristic valve values
Pressure characteristics and media characteristics
Operating medium, control medium
Information on operating medium, con-
trol medium
Vacuum operation
Valve terminal total leakage
Leakage per valve slot
Nominal operating pressure/nominal
pilot pressure
Operating pressure, pilot pressure
with external pilot air via port (14)
Operating pressure, pilot pressure
with internal pilot air via port (1)
Tab. 24: Pressure characteristics and media characteristics
Port patterns
Working air ports (2) and (4)
Pilot air (14)
Valve ports (1) and (3)
Pilot exhaust air (84)
Pressure compensation (L)
Tab. 25: Port patterns
12.3 Technical data, electrical
Power supply
Operating voltage (via CPX terminal)
Voltage range
Nominal voltage
Electrical isolation U and U
EL/SEN VAL
Intrinsic current consumption VTEM at 24 V DC typ.
Controller + linkage
Per valve
Analogue input module (plus intrinsic
consumption of the sensors)
Digital input module (plus intrinsic con-
sumption of the sensors)
Functional earth (FE)
Via functional earth connection of the CPX terminal and functional earth connection at the VTEM
terminal strip
Tab. 26: Power supply
Approvals
CE marking in accordance with EU EMC Direc-
tive 1)
1) The device is intended for use in an industrial environment. Measures for interference suppression may be
required in residential areas.
Tab. 27: Approvals
12.4 Technical data, input modules
General
Maximum length of the connected
cables
Electrical protection
Galvanic isolation between the inputs
Tab. 28: General
[ms] 8.5
[ms] 8.5
[l/s*bar] 2
[l/min] 450
[l/min] 480
not reversible
Compressed air in accordance with ISO
8573-1:2010 [7:4:4]
inert gases
Lubricated operation not possible
Only at the exhaust ports (3)
[l/h] 15 plus leakage of valve slots
[l/h] 3 (with valve)
1 (with blind plate)
[bar] [MPa]
6 0.6
0 ... 8 0 ... 0.8
3 ... 8 0.3 ... 0.8
G 1/8
M5
G 3/8
M7
M7
[V DC] 18 ... 30
[V DC] 24
Yes, with separate supply at the CPX ter-
minal
via U via U
EL/SEN
[mA] 115 85
[mA] 28 24
[mA] 12 0
[mA] 12 0
See declaration of conformity
è www.festo.com/sp
[m] 30
Internal electronic fuse per module
None
Digital input module CTMM-...-D-...
Interface
Behaviour
Input characteristic
Switching logic
Switching level
Signal 0
Signal 1
Tab. 29: Digital input module
Analogue input module CTMM-...-A-...
Interface
Behaviour
Tab. 30: Analogue input module
12.5 Technical data for UL/CSA certification
Electrical data and ambient conditions UL/CSA
Input current
Power
Pressure differential
Pollution degree
Humidity range
Installation site
Max. installation height
Degree of protection
Tab. 31: Electrical data and ambient conditions UL/CSA
VAL
M8, 3-pin
Voltage input 24 V DC
In accordance with IEC 61131-2, type 3
PNP, NO (normally open)
£ 5
[V DC]
[V DC] ³ 11
M8, 4-pin
Current input 4 ... 20 mA
max. 0.44 A
max. 10.6 W
max. 0.8 MPa
2
0 ... 90 %
for indoor use only
2000 m
The degree of protection IP65 is not UL-tested.