Precision Digital PD540 - Manual (Page 47)

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7.5 Terminal Assignment, Connections, and Ratings
PD548-PD549
Rating: 250 VAC @ 3 A
30 VDC @ 3 A
Rating: 250 VAC @ 1 A
30 VDC @ 1 A
Rating: 250 VAC @ 1 A
30 VDC @ 1 A
Max: 19200 bps
4 - 20 mADC or 15 VDC Voltage Pulse
100 - 240 VAC 50/60 Hz
Open circuit voltage:
approximately 5 VDC
Logic levels:
Lo = 0 to 0.8 VDC
Hi = 4.7 to 28 VDC
NO switches (external excitation not required) or open collector transistor
PD540 Series Nova Digital Process and Temperature Controller Instruction Manual
47