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Pulse inputs
Input 1 and 2
•
Cable gland
•
Resolution counters input 1 and 2
•
Input 1 range pulse input ratio
•
Input 2 range pulse input ratio
•
Extended functions input 2
•
Serial input
DATA and REQ (Tx and Rx)
•
Max baud rate
•
Cable gland
•
NAMUR input
NAMUR input
•
Cable gland
•
External power to meter – UNIGAS 300
External power
•
Cable gland
•
ATEX specification of inputs and external power
Terminal 1 (+) and 2 (-)
•
Uo
•
Io
•
Po
•
Co
•
Lo
•
Terminal 3 (IN1) and 4, 5 (IN2) and 6, 9 (REQ) en 8
•
Uo
•
Io
•
Po
•
Co
•
Lo
•
Terminal 7 (DATA) and 8
•
Uo
•
Io
•
Po
•
Co
•
Lo
•
Terminal 11 (NAMUR+) and 10
•
Uo
•
Io
•
Po
•
Co
•
Lo
•
Reed or transistor contact, 7.5 V,
0.6 mA active
Ø 4 -8 mm
XXXXXXXX.XXX
XXXX.XX puls/m
XXXX.XX puls/m
Pulse difference to input 1 with programmable
alarm
7.5 V, Req 2 mA at mark,
Data 1 mA at mark
9600 baud full duplex
Ø 4 -8 mm
U nominal 7.5 V, Ri = 1k
Ø 4 -8 mm
7.5 V 100 mA peak – 50 mA continuous
shared with gland for pulse input
= 8,7 V
= 586 mA
= 1,3 W
= 5,8 uF
= 0,1 mH
= 8,7 V
= 3 mA
= 7 mW
= 5,8 uF
= 100 mH
= 8,7 V
= 18 mA
= 38 mW
= 5,8 uF
= 90 mH
= 8,7 V
= 9 mA
= 20 mW
= 5,8 uF
= 100 mH
DDN3004MHNL/09-2017/Rev.7
UNILOG 300 N33/N34/N35
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