EN
24
additional measurement errors
• Due to ambient temperature changes
50% of class / 10 K
RS485 interface
• Galvanic separation
From all other signal connections
• Protocol
MODBUS RTU
• Supported protocol
functions
3, 4, 6, 16, 17
• Data frame type
8N1, 8N2, 8O1, 8E1
• Baud rate [b/s]
2400, 4800, 9600, 14400, 19200,
28800, 38400, 57600, 115200
alarm outputs:
• NO relay: 5 A / 250 V AC; 5 A / 30 V DC (listed current values are the
maximum permissible values. Operation at maximum load significantly
shortens lifespan of the relay).
• Three relays with a switching contact (option): 6 A / 250 V AC;
6 A / 30 V DC; 0,15 A / 250 V DC. Maximum switching current 10 A / 20 ms.
analog ouTPuT
Voltage output
• Rated range
0…10 V
• Maximum output voltage
< 15 V
• Minimum load resistance
500 Ω
• Intrinsic error
0.1 % of range
• Error due to temperature change
50% of intrinsic error value / 10 K
current output
• Rated range
0...20 mA; 4...20 mA
• Maximum output voltage
< 15 V
Measuring loops parameters
• Input resistance for voltage measurements
> 3.5 MΩ
• Current measurement using an internal
current transformer - test loop resistance
< 0.1 Ω
• Short-term overload (5s)
- voltage inputs
2 Un
- 5 A current input
10 In
- Current input 1 A
50 In
where Un - rated voltage; In rated current
Summary of Contents for N32P
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