Encoder Cards - gefran ADP200 Quick Start Up Manual, Specification And Installation

A.3.3 Encoder cards
Note !
The encoder power supply must be adequate considering the cable length and the absorption rates as shown in table (1) at the end of this chapter.
EXP-RES-I1-ADP
Resolver Encoder (RES).
Channels ������������������������������� Exc+ Exc-, Cos+ Cos-, Sin+ Sin-.
No. of Poles ���������������������������� 1 - 5
Max speed ����������������������������� 7500 rpm
Excitation Voltage ������������������������ Automatic setting (5.6V rms max, default 2.3 Vrms)
Current �������������������������������� 50mA rms max
Resolver excitation frequency ��������������� 2...10KHz (selectable through drives parameter / step of 250Hz, default 5 kHz)
Transformation Ratio ���������������������� 0.2...1.0 (selected by jumper, see table below. Default 0.5)
Resolution ����������������������������� Equivalent of 16 bits max in one revolution of electrical resolver turn (selectable through param-
Output impedance for the resolver excitation ���� >20Ω
Resolver Excitation power supply ������������� Internal 5V
Resolver input ��������������������������� sinusoidal differential
Resolver input voltage ��������������������� 1.1 Vrms typ – 1.4 Vrms max
Resolver input impedance ������������������ 3kΩ
Cable length ���������������������������� max 50m, shielded coupled plus a total external shield.
(*) Connection of shielding, see figure 7.2.4
eters: 10-12-14-16)
RESOLVER ENCODER (RES)
EXC-
EXC+
COS-
COS+
SIN-
SIN+
(*)
Resolver T ratio setting
Examples:
J2 J2
J1=Open
P3
P2 Resolver T ratio = 0.2
J2=Open
J3=Open
J1 J3 J1 J3
J2 J2
J1=Close
P3
P2
Resolver T ratio = 0.3
J2=Open
J3=Open
J1 J3 J1 J3
J2 J2
J1=Open
P3
P2
Resolver T ratio = 0.5
J2=Close
(Default)
J1 J3 J3=Open
J1 J3
ADP200 • Quick installation guide - Specifications and connection
EXP-RES-I1-ADP
COS
XE
8
9
SIN
10
11
12
EXC
13
14
15 0°
Resolver
Jumpers P2 / P3
T ratio
J1 J2 J3
[K]
0.2 open open open
0.3 close open open
0.4 open close open
0.5 open close open
0.6 close close open
0.7 close close open
0.8 open open close
0.9 open open close
1.0 open open close
Voltage levels measured on the terminals.
The indicated levels are typical with a tolerance of ±10%.
XE
EXC EXC COS COS SIN SIN
- + - + - +
8 9 10 11 12 13 14 15
90° 180° 270° 360°
θ (Shaft Angle)
Electrical resolver representation
EXC SIN / COS
[Vpp] [Vrms] [Vpp] [Vrms]
19.3 6.8 3.8 1.3
13.2 4.7 3.9 1.4
7.8 2.8 3.1 1.1
7.8 2.8 3.9 1.4
6.5 2.3 3.9 1.4
6.5 2.3 4.6 1.6
3.9 1.4 3.1 1.1
3.9 1.4 3.5 1.2
3.9 1.4 3.9 1.4
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