46
Electromagnetic Flowmeter
COPA-XE / MAG-XE
9.3.2 Interconnection Diagram COPA-XE
Connection Variations for Digital Communication
Design a)
Terminals Ux, V8
Scaled Pulse Output, passive (Optocoupler), pulse width can be set from 0.1 ms to 2000 ms,
Optocoupler specifications:
f
max
5 kHz
0 V ≤ U
CEL
≤ 2 V, 16 V ≤ U
CEH
≤ 30 V;
0 mA ≤ I
CEH
≤ 0.2 mA, 2 mA ≤ I
CEL
≤ 220 mA
Terminals Ux, P7
Contact Output, function software selectable for System Monitoring, Empty Pipe,
Max.-Min.-Alarm or F/R Signal
Optocoupler specifications:
0 V ≤ U
CEL
≤ 2 V, 16 V ≤ U
CEH
≤ 30 V;
0 mA ≤ I
CEH
≤ 0.2 mA, 2 mA ≤ I
CEL
≤ 220 mA
Terminals PA+, PA-
Connection for Profibus PA per IEC1158-2 (see also Page 50)
Terminals +, -
Current Output, Terminals: +/-, load ≤ 600 Ω (4 to 20 mA only)
Design b)
Same as Design a), except
Terminals A, B
Serial Data Link RS485 for Communication using ASCII-Protocol
Design c)
Same as Design a), except
Terminals +VD, A, B, GND
Connections for Profibus DP per EN50170 (see also Page 49)
Supply Power
See Instrument Tag
Ground
Ground
c) Profibus DP
b) RS485 (ASCII Protocol)
a) Profibus PA
b)
c)
a)
PE
Fig. 35 Interconnection Diagram COPA-XE for Digital Communication