Proline Promag 50P, 53P
Endress+Hauser 3
Switching level: 3 to 30 V DC, independent of polarity
Configurable for: totalizer(s) reset, measured value suppression, error-message reset,
batching start/stop (optional), batch totalizer reset (optional)
Current input (for Promag 53 only):
Active/passive selectable, galvanically isolated, full scale value selectable, resolution: 3 µA,
temperature coefficient: typ. 0.003% o.r./°F (0.005% o.r./°C), o.r. = of reading
active: 4 to 20 mA, R
i
≤ 150 Ω, U
out
= 24 V DC, short-circuit-proof
passive: 0/4 to 20 mA, R
i
≤ 150 Ω, U
max
= 30 V DC
Output
Output signal Promag 50
Current output:
active/passive selectable, galvanically isolated, time constant selectable (0.01 to 100 s),
full scale value selectable, temperature coefficient: typ. 0.003% o.r./°F (0.005% o.r./°C), o.r. = of reading,
resolution: 0.5 µA
• active: 0/4 to 20 mA, R
L
< 700 Ω (HART: R
L
≥ 250 Ω)
• passive: 4 to 20 mA, operating voltage V
S
18 to 30 V DC, R
i
≤ 150 Ω
Pulse/frequency output:
passive, open collector, 30 V DC, 250 mA, galvanically isolated.
• Frequency output: full scale frequency 2 to 1000 Hz (f
max
= 1250 Hz), on/off ratio 1:1,
pulse width max. 10 s.
• Pulse output: pulse value and pulse polarity selectable, max. pulse width configurable
(0.5 to 2000 ms)
PROFIBUS DP interface:
• Transmission technology (Physical Layer): RS485 in accordance with ANSI/TIA/EIA-485-A: 1998,
galvanically isolated
• Profile version 3.0
• Data transmission rate: 9.6 kBaud to 12 MBaud
• Automatic data transmission rate recognition
• Function blocks: 1 x analog input, 3 x totalizer
• Output data: volume flow, totalizer
• Input data: positive zero return (ON/OFF), totalizer control, value for local display
• Cyclic data transmission compatible with previous model “Promag 33”
• Bus address adjustable via miniature switches or local display (optional) at the measuring device
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