Cerabar PMC11, PMC21, PMP11, PMP21
Endress+Hauser 19
Power supply fault
• Behavior in the event of overvoltage (>30 V):
The device works continuously up to 34 V DC without damage. If the supply voltage is exceeded,
the specified characteristics are no longer guaranteed.
• Behavior in the event of undervoltage:
If the supply voltage falls below the minimum value, the device switches off in a defined manner
(status same as for no power supply).
Electrical connection Degree of protection
Device Connection Degree of protection Option
1)
PMP21
PMP21
Cable5 m (16 ft) IP66/68
2)
NEMA type 4X/6P enclosure A
PMP21
PMP21
Cable10 m (33 ft) IP66/68
2)
NEMA type 4X/6P enclosure B
PMP21
PMP21
Cable25 m (82 ft) IP66/68
2)
NEMA type 4X/6P enclosure C
PMC11
PMP11
M12 plug IP65 NEMA type 4X enclosure L
PMC21
PMP21
M12 plug IP65/67 NEMA type 4X enclosure M
PMC11
PMP11
PMC21
PMP21
Valve plug ISO4400 M16 IP65 NEMA type 4X enclosure U
PMC11
PMP11
PMC21
PMP21
Valve plug ISO4400 NPT ½ IP65 NEMA type 4X enclosure V
1) Product Configurator order code for "Electrical connection"
2) IP 68 (1.83m H2O for 24 h)
Cable specification
For valve plug: < 1.5 mm
2
(16 AWG) and Ø4.5 to 10 mm (0.18 to 0.39 in)
Residual ripple
The device operates within the reference accuracy up to ±5 % of the residual ripple of the supply
voltage, within the permitted voltage range.
Influence of power supply
≤0.005 % of the URL/1 V
Overvoltage protection
The device does not contain any special elements to protect against overvoltage ("wire to ground").
Nevertheless the requirements of the applicable EMC standard EN 61000-4-5 (testing voltage 1kV
EMC wire/ground) are met.
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