D396-20-880 Issue H
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Technical data
2.4 EXT pump electrical output data
2.5 Logic interface
Table 4 - EXT pump electrical output data
Compatible EXT pumps EXT70, EXT250, EXT351
Maximum continuous output power 80 W
Maximum output voltage 53 V a.c. r.m.s.
Switching frequency 32 kHz
Nominal output frequency 600 Hz to 1.5 kHz
Maximum output frequency 1.07 x nominal
Standby frequency 70% of nominal
Table 5 - Logic interface data
Remote control signals
Control voltage: low (close) < 0.8 V d.c.
Control voltage: high (open) 4 to 24 V d.c.
Maximum input current (at 24 V) 80 A
Maximum output current (at 0 V d.c.) 160 A
Air-cooler electrical supply
Voltage range +20 to +26 V d.c.
Maximum output current 150 mA
Vent-valve electrical supply
Voltage range +16 to +26 V d.c.
Maximum output current 80 mA
Analogue output
Output voltage 0 to +10 V d.c. proportional to speed or power:
0 to 10 V 0 to 100% of pump speed, or
0 to 10 V 0 to 80 W motor power
Maximum output current 5 mA
TMP Normal and TMP Fail status outputs
Maximum output voltage (high) 26 V d.c.
Maximum output current
Vout (low) 0.8 V 20 mA
Vout (low) < 0.8 V (TTL level) 1 mA
TMP On status output
Logic high output voltage at 8 A4.12 V
Logic low output voltage at 42 A0.77 V
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