PI MS249E - Page 272

13 Technical Data
266 Version: 1.2.1 MS249E C-863.12 Mercury Controller
Pin
Signal
Direction
Function
21
ENCB+
Input
Encoder input B+ (RS-422)
22
ENCB-
Input
Encoder input B- (RS-422)
23
INDEX+
Input
Reference switch, differential
24
INDEX-
Input
Reference switch, differential
25
GND
GND
26
VCC_ENC
Output
Position sensor power supply (5 V, 200 mA)
Do not connect anything to reserved pins.
13.3.2 I/O
Mini-DIN socket, 9-pin, female
Figure 26: Front view of the mini-DIN socket
Pin
Function
1
Input 1 (analog: 0 to +5V / digital: TTL)
2
Input 2 (analog: 0 to +5V/ digital: TTL)
3
Input 3 (analog: 0 to +5V/ digital: TTL)
4
Input 4 (analog: 0 to +5V/ digital: TTL)
5
Output 1 (digital: TTL)
6
Output 2 (digital: TTL)
7
Output 3 (digital: TTL)
8
Output 4 (digital: TTL)
9
Vcc (+5 V)
Shield
GND