Proline Promag 50H, 53H
6 Endress+Hauser
Promag 53
Current output
active/passive selectable, galvanically isolated, time constant selectable (0.01 to 100 s), full scale value
selectable, temperature coefficient: typ. 0.005% o.r./°C (o.r. = of reading), resolution: 0.5 mA
• active: 0/4 to 20 mA, R
L
< 700 (for HART: R
L
250 )
• passive: 4 to 20 mA; supply voltage V
S
: 18 to 30 V DC; R
i
150
Pulse/frequency output
active/passive selectable, galvanically isolated (Ex i version: only passive)
• active: 24 V DC, 25 mA (max. 250 mA during 20 ms), R
L
100
• passive: open collector, 30 V DC, 250 mA
• Frequency output: full scale frequency 2 to 10000 Hz (f
max
= 12500 Hz), for EEx-ia 2 to 5000 Hz;
on/off ratio 1:1, pulse width max. 10 s
• Pulse output: pulse value and pulse polarity selectable, max. pulse width configurable (0.05 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: 2 × analog input, 3 × totalizer
• Output data: volume flow, calculated mass flow, totalizer 1 to 3
• 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
• Available output combination 8
PROFIBUS PA interface
• Transmission technology (Physical Layer): IEC 61158-2 (MBP), galvanically isolated
• Profile version 3.0
• Current consumption: 11 mA
• Permissible supply voltage: 9 to 32 V
• Bus connection with integrated reverse polarity protection
• Error current FDE (Fault Disconnection Electronic): 0 mA
• Function blocks: 2 × analog input, 3 × totalizer
• Output data: volume flow, calculated mass flow, totalizer 1 to 3
• 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
Modbus RS485 interface
• Transmission technology (Physical Layer): RS485 in accordance with ASME/TIA/EIA-485-A: 1998,
galvanically isolated
• Modbus device type: slave
• Address range: 1 to 247
• Bus address adjustable via miniature switches or local display (optional) at the measuring device
• Supported Modbus function codes: 03, 04, 06, 08, 16, 23
• Broadcast: supported with the function codes 06, 16, 23
• Transmission mode: RTU or ASCII
• Supported baudrate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Baud
•Response time:
– Direct data access = typically 25 to 50 ms
– Auto-scan buffer (data range) = typically 3 to 5 ms
• Available output combination 8
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