ABB FSM4000 - Switch Input; Pulse Output

44 FSM4000 ELECTROMAGNETIC FLOWMETER | OI/FSM4000-EN REV. E
… 6 Electrical connections
… Connection examples for peripherals
(incl. HART)
Switch input
I
internal
E
external
Figure 43: Switch input for external totalizer reset and external zero return
Switch input, passive
Terminals
81, 82
Current output
can be selected via software
Function
Passive
• ‘On’:
16 V ≤ UKL ≤ 30 V
• ‘Off’:
0 V ≤ UKL ≤ 2 V
Ri = 2 kΩ
Pulse output
Active pulse output
Pulse output, passive, optocoupler
I
internal
E
external
Figure 44: Pulse output, active and passive, optoelectronic coupler
Current output active with / without HART protocol (4 ... 20 mA)
Terminals
51, 52
Current output
can be selected via software
Operating mode
Active / passive, selectable via jumper (see
‘Commissioning’ chapter in operating instruction)
f
max
5 kHz
f
min
0.00016 Hz
Adjustment range
Pulse / unit, pulse width (observe dynamic limits)
Function
Active
• 150 Ω ≤ load < 10 kΩ:
pulse width ≤ 50 ms,
max. pulse frequency ≤ 3 Hz,
• 500 Ω ≤ load < 10 kΩ
pulse width ≤ 0.1 ms,
max. pulse frequency: 5 kHz
Passive
• ‘closed’:
0 V ≤ U
CEL
≤ 2 V, 2 mA ≤ I
CEL
≤ 220 mA
• ‘open‘:
16 V ≤ U
CEH
≤ 30 V, 0 mA ≤ I
CEH
≤ 2 mA