11
Installation
CONTROL TERMINAL LISTING
- tightening torque: 0.25 Nm (2.2 lbf.in)
15
TRIP
This output goes high (+10.5 V at 10 mA) and latches high when the stall timer
has timed out (in which case T14 OVLD will also be high),
OR
if the fan alarm has
operated (in which case T14 OVLD will be low). Flywheel diode to COM. See T12 RLOP
for details of the output drive capability and configuration.
16
ROP
Ramp output. 0 to +/-10 V output for 0 to +/-10 V input at T3.
1 kΩ output impedance.
17
DEM
Demand output. 0 to -/+10 V output for 0 to +/-100% speed demand.
1 kΩ output impedance. Represents the inverted total speed demand.
18
SOP
Speed output. 0 to +5 V output for 0 to +100% speed feedback. 1 kΩ output
impedance.
NOTE
: Prior to LA issue 11 (see side of terminal block), the output at this terminal
was 0 to +10 V. Special version drives type CON315 also have 0 to +10 V output for 0
to 100% speed feedback.
19
IOP
Current signal output. 0 to +5 V output for 0 to +100% armature current.
Maximum 7.5 V for +150% current. 1 kΩ output impedance.
20
SPD
Auxiliary speed input. Added to the Setpoint Ramp output. Input impedance
100 kΩ. 0 to +/-10 V input for 0 to +/-100% speed demand, direct input, fast
response.
21
TRQ
Torque input. 100K pull-up to +12 V. 0 to +5 V input for 0 to 100% current
clamp level.
This input acts as a clamp on the current demand produced by the speed loop. For
the clamp to operate, the speed loop current demand must be greater than the
clamp level set on T21
*
; if the speed loop current demand falls below this clamp
level, then the drive will return to speed loop control.
*
This can be achieved by ensuring that the total speed setpoint input (the sum of
the voltages applied to T3 and T20) is greater, in percentage terms, than the speed
feedback signal.
WARNING!
PERSONAL INJURY HAZARD
TRIP
is an electronic armature current inhibit function. The field output
remains energised, and all power terminals ‘live’. During hazardous
operations remove the power source to the system.
TRIP must not be
relied on to ensure the machine remains stationary.
The motor FIELD
output remains energised with TRIP active, please beware of overheating
the motor when stopped (does not apply to permanent magnet motors).
