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Cello Installation Guide
MAN-CELIG (Ver. 1.5)
3.4.7.4 Pulse-and-Direction Input Option on FEEDBACK
B (YA[4]=0)
This mode is used for input of differential or single-ended pulse-and-direction position
commands on Port B1. In this mode Port B2 provides differential buffered pulse-and-
direction outputs for another axis.
Below are the signals on the Auxiliary Feedback ports when they are set up to run as a
single-ended pulse-and-direction input:
Port
Pin
B1
1
2
B1
3
4
5
B2
6
B2
7
PWR
8
PWR
9
10
B2
11
B2
12
13
14
PWR
15
Table 3-10: Pulse-and-Direction Auxiliary Encoder Pin Assignment on FEEDBACK B
FEEDBACK B on the "top" of the Cello has a 15-pin high density D-sub socket. Connect
the Auxiliary Feedback cable from the Pulse and Direction Controller to FEEDBACK B
using a 15-pin, high density D-Sub plug with a metal housing. When assembling the
Auxiliary Feedback cable, follow the instructions in Section 3.4.4 (Feedback and Control
Cable Assemblies).
Signal
Function
PULS/CHA Pulse/Auxiliary channel A high input
NC
Do not connect this pin
DIR/CHB
Direction/Auxiliary channel B high input
NC
Do not connect this pin
NC
Do not connect this pin
CHAO
Channel A output
CHAO-
Channel A complement output
+5V
Encoder supply voltage
SUPRET
Encoder supply voltage return
NC
Do not connect this pin
CHBO
Channel B output.
CHBO-
Channel B complement output
NC
Do not connect this pin
NC
Do not connect this pin
SUPRET
Supply return
Installation
3-28
Pin Position
15 Pin D-Sub Plug
Port B1
Power
Port B2
N.C.
5
1
10
6
15
11
15 Pin D-Sub Socket
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