Dräger PEX 3000

Appendix F – Specifications
Description Single channel control unit
for a standard 4..20mA
input
Single channel control unit
for a standard Pellistor
input
Size
270mm × 270mm × 90mm 270mm × 270mm × 90mm
Weight (without batteries)
<2.5Kg <2.5Kg
Enclosure material ABS - VO ABS - VO
Colour Grey Grey
Mounting Three point Three point
IP rating IP65 IP65
Cable entries
6 × M20 (preformed) 6 × M20 (preformed)
AC Input voltage 98Vac to 253Vac, 50/60Hz 98Vac to 253Vac, 50/60Hz
DC Input voltage
(Internal batteries only)
27.6Vdc ± 2Vdc 27.6Vdc ± 2Vdc
Battery charge voltage
27.6Vdc @ 500mA ±0.6Vdc 27.6Vdc @ 500mA ±0.6Vdc
DC Output
24Vdc @100mA ±1Vdc 24Vdc @100mA ±1Vdc
Battery type Yuasa NP1.2,12 (12V, 1.2AH) Yuasa NP1.2,12 (12V, 1.2AH)
A1 and A2 Output 22Vdc @30mA
18Vdc @100mA
22Vdc @30mA
18Vdc @100mA
Alarm relays Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Rising/Falling
Latching/Non-latching
Normally de-energised
Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Rising/Falling
Latching/Non-latching
Normally de-energised
Fault relay Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Latching/Non-latching
Normally energised
Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Latching/Non-latching
Normally energised
Inhibit relay Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Non-latching
Normally de-energised
Volt free change over
Max. 250Vac, 3A
Max 30vdc, 2A
Non-latching
Normally de-energised
Visual outputs Alarm, Inhibit. Power and Fault
LED’s
LCD display
Alarm, Inhibit. Power and Fault
LED’s
LCD display
Transmitter input 2 or 3 wire 4..20mA, 24Vdc @
400mA max.
3 wire Pellistor
max. constant current 350mA
Storage temperature -10 deg C to 60 deg C -10 deg C to 60 deg C
Operating temperature 0 deg C to 55 deg C 0 deg C to 55 deg C
Storage humidity 0 to 100%, non condensing 0 to 100%, non condensing
Operating humidity 0 to 100%, non condensing 0 to 100%, non condensing
Warm-up time
< 30 seconds < 30 seconds
Response time
< 2 seconds < 2 seconds
Approvals ATEX pending ATEX pending
Marking and labelling Gas and measuring range by
independent label
Label to carry CE
Gas and measuring range by
independent label
Label to carry CE
Issue 4 03/09/04
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