29
EXTENDED ET Connector (41 pins)
N, P Outputs ECT2 Generator / 100 Ω ECT2 eddy current generator outputs through 100 Ω
R Output
Input
ECT2 Generator / 100 Ω
Motor Rotation +
ECT2 eddy current generator outputs through 100 Ω
(if external MUX and motor encoder are not
connected)
Motor rotation feedback (if motor feedback is
connected)
SOutput
Input
ECT2 Generator / 100 Ω
Motor Rotation –
ECT2 eddy current generator outputs through 100 Ω
(if external MUX and motor encoder are not
connected)
Motor rotation feedback (if motor feedback is
connected)
T Output MUX 0
CLK –
Multiplexing signal output (bit 0) (if pin J is not
grounded)
Clock – signal (if pin J is grounded)
UOutputMUX 1
CLK +
Multiplexing signal output (bit 1) (if pin J is not
grounded)
Clock + signal (if pin J is grounded)
V Output MUX 2
+12.5 V supply
Multiplexing signal output (bit 2) (if pin J is not
grounded)
+12.5 V supply voltage (if pin J is grounded)
WOutputMUX 3
–12.5 V supply
Multiplexing signal output (bit 3) (if pin J is not
grounded)
–12.5 V supply voltage (if pin J is grounded)
X – GND Power supply ground to the instrument and casing
Y Output –15 V supply
Motor –
SC –
–15 V supply voltage (1.0 A max.)
Probe motor drive (0–24 V, 2.0 A max., 10 W max.)
Current source (1 A max., 10 W max.)
Z Input In1 + input Positive input of input amplifier 1
a Input In1 – input Negative input of input amplifier 1
Table 1 E
XTENDED ET connector pinout (continued)
Pin I/O Signal Description