Terminal number pulse
29, 33
Maximum frequency at terminal 29, 33
110 kHZ (push-pull driven)
Maximum frequency at terminal 29, 33
5 kHZ (open collector)
Minimum frequency at terminal 29, 33
4 Hz
Voltage level
See Digital Inputs in the General Technical Data section.
Maximum voltage on input
28 V DC
Input resistance, Ri
Approximately 4kΩ
Pulse input accuracy (0.1–1 kHZ)
Maximum error: 0.1% of full scale
Analog output
Number of programmable analog outputs
1
Terminal number
42
Current range at analog output
0/4–20 mA
Maximum resistor load to common at analog output
500 Ω
Accuracy on analog output
Maximum error: 0.8% of full scale
Resolution on analog output
8 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
Control card, RS-485 serial communication
Terminal number
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number 61
Common for terminals 68 and 69
The RS-485 serial communication circuit is functionally seated from other central circuits
and galvanically isolated from the supply voltage (PELV).
Digital output
Programmable digital/pulse outputs
2
Terminal number
27, 29
1)
Voltage level at digital/frequency output
0–24 V
Maximum output current (sink or source)
40 mA
Maximum load at frequency output
1 kΩ
Maximum capacitive load at frequency output
10 nF
Minimum output frequency at frequency output
0 Hz
Maximum output frequency at frequency output
32 kHZ
Accuracy of frequency output
Maximum error: 0.1% of full scale
Resolution of frequency outputs
12 bit
1)
Terminal 27 and 29 can also be programmed as input.
The digital output is galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
Control card, 24 V DC output
Terminal number
12, 13
Maximum load
200 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the
same potential as the analog and digital inputs and outputs.
9 Technical Specification
156
Aquavar
®
Intelligent Pump Controller - 150 HP to 600 HP INSTRUCTION MANUAL
Summary of Contents for Aquavar
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