Watlow ez-zone pm - Page 252

Watlow EZ-ZONE
®
PMI Controller • 248 • Chapter 11 Appendix
6 Digital Input/Output Option - 6 DIO
• Digital input or output
• Update rate 10Hz
• Switched DC
- Internal supply limited to 400mA, maximum open circuit voltage of 25V, typical 8V at
80mA.
• Open Collector
- Max. switched voltage is 32VÎ (dc)
- Max. switched current per output is 1.5A
- Max. switched current for all 6 outputs is 8A
Output Hardware
• Switched DC
- Maximum open circuit voltage is 22 to 25VÎ (dc)
- 30mA max. per single output / 40mA max. total per paired outputs (1 & 2, 3 & 4)
- Typical drive; 4.5VÎ (dc) @ 30mA
- Short circuit limited to <50mA
- Use dc- and dc+ to drive external solid-state relay
- 1-pole DIN-A-MITE: up to 4 in parallel or 4 in series
- 2-pole DIN-A-MITE: up to 2 in parallel or 2 in series
- 3-pole DIN-A-MITE: up to 2 in series
• Switched dc/open collector = 30VÎ (dc) max. @ 100mA max. current sink
• Solid State Relay (SSR), FormA, 0.5A @ 24VÅ (ac) min., 240VÅ (ac) max., 1A at 50°F linear
derating to 0.5A at 149°F resistive, opto-isolated, without contact suppression, 120/240VÅ
(ac) 20 VA pilot duty
- Minimum holding current of 10mA
• Electromechanical relay, Form C, 5A, 24 to 240VÅ (ac) or 30VÎ (dc) max., resistive load,
100,000 cycles at rated load, 125 VA pilot duty at 120/240VÅ (ac), 25 VA at 24VÅ (ac)
• Electromechanical relay, Form A, 5A, 24 to 240VÅ (ac) or 30VÎ (dc) max., resistive load,
100,000 cycles at rated load, 125 VA pilot duty at 120/240VÅ (ac), 25 VA at 24VÅ (ac)
• NO-ARC relay, Form A, 15A, 24 to 240VÅ (ac), no VÎ (dc), resistive load, 2 million cycles at
rated load
• Universal process/retransmit, Output range selectable:
- 0 to 10VÎ (dc) into a min. 1kΩ load
- 0 to 20mA into max. 800Ω load
Resolution
- dc ranges: 2.5mV nominal
- mA ranges: 5µA nominal
Calibration Accuracy
- dc ranges: ±15mV