Sevcon Gen4 User Manual

Doc. # 177/52701
Rev3
3-18
Pin
Name
Type
What to connect
Maximum
rating
Comment
23
Pot. 2
wiper in
Analogu
e
From potentiometer 2
wiper.
V = 9.5 V
Zin = 82 kΩ
(24V/36V and
36V/48V
models)
Zin = 100 kΩ
(24V/36V and
36V/48V
models)
Suitable for potentiometers
in the range 500 Ω to 10 kΩ,
or voltage-output device
(e.g. Sevcon linear
accelerator)
0 to 5 V or 0 to 10 V.
Ensure that at least 0.5V
margin exists between the
maximum valid throttle and
the wire-off threshold
24
CAN Low
Comms
CANbus Low signal
V = 5 V
Maximum bus speed 1
Mbits/s.
Alternative connection to pin
27
25
Encoder B
Input
Digital
pulse
From the speed
encoder B channel
I = 25 mA
(internally
limited)
V = 8 V (for
current-
source
encoders)
V = 2.5V or
5V (for open-
collector
encoders)
26
Encoder
power
supply +
Power
To the positive supply
input of the speed
encoder
I = 100 mA
V = 5V or
10V software
selectable
Check the speed encoder
you use is compatible with
Gen4. See page 6-14 for
configuration details.
27
CAN Low
Comms
CANbus Low signal
V = 5 V
Maximum bus speed 1
Mbits/s.
Alternative connection to pin
24
28
CAN
power
supply +
Power
To CAN device
requiring external
supply
V = 24 V
I = 100 mA
Check that the CAN device
power supply requirement is
suitable for Gen4.
29
Encoder
“W”
Digital
pulse
Position encoder
10V
Use in conjunction with “U”
and “V” for PMAC motors.
30
Digital
Input 2
Digital
From digital switch
input 2.
In a basic configuration
this is usually the
reverse switch.
Type A
V = Vb
See Table 3
See note to Table 3

Sevcon Gen4 Specifications

General

Brand	Sevcon
Model	Gen4
Category	Controller
Language	English