Appendix
A.2 I/O Connections and Wiring
FUS1010 IP65 NEMA 4X & IP66 NEMA 7
Operating Instructions, 01/2013, A5E02951520-AC
193
Table A- 10 Open Collector User Resistor Recommendations
User Supply
Voltage (VDC)
External Resistor
(Ohms)
Expected
Current Draw (mA)
Recommended Resistor
Wattage (Watts)
5 270 18.5 1/2
9 510 17.6 1/2
12 680 17.6 1/2
18 1000 18 3/4
24 1500 16 1
28 1800 15.5 1 1/4
36 2400 15 1 1/4
Note
TB2-9 and TB2-11 are Open Collector Outputs that require external pull-up resistors for
operation. See table for External Supply Voltage and suggested resistor value and ratings.
Maximum current into the transistor is 100mA. Maximum Voltage is +36 VDC.
NOTICE
Transistor Damage
Negative voltages with respect to ground will permanently damage transistors.
Use caution when applying power to circuit boards.
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