Chapter 1. Installation
7
System Electrical Connections
Motor Drivers
CONNECTIONS & INTERNAL SCHEMATICS
Direction Return (pin 4)
Direction Return (pin 15)
Step + (pin 1)
Step + (pin 3)
Dir (pin 3)
Dir (pin 4)
Step Return (pin 2)
Step Return (pin 14)
OEM-AT6400
(60-Pin Connector)
OEM670SD Drive
Shield (pin 58)
Shield (pin 58)
OEM-AT6400
(60-pin Connector)
Step Return (pin 2)
PKH Series Drives
(PK130)
Dir (pin 3)
Ground (pin 20)
Clock (pin 6)
Direction (pin 5)
0V (pin 8)
Connecting a PK130 Drive
Direction Return (pin 4)
Direction Return (pin 15)
Step + (pin 1)
Step + (pin 1)
Dir (pin 3)
Dir (pin 2)
Step Return (pin 2)
Step Return (pin 14)
OEM-AT6400
(60-Pin Connector)
S Drive
Connecting an S Drive or Equivalent
Shield (pin 58)
NOTE: Equivalent drives to the S Drive are considered to be
those with the same pin-outs, suchs as Zeta, OEM350, OEM650,
and PDS
.
Step & Direction Output Schematic
+5VDC
GND
Step +
Dir
Step –
Direction –
+5VDC
GND
Connecting an OEM670SD Drive
PIN OUTS & SPECIFICATIONS
-- Drive Functions
Pin #
In/Out
Name
Description
1
OUT
Step 1 +
Differential output. (Can be used as single-ended output with some drives, in conjunction with GND pin)
Step (pulse) output to the drive for Axis 1. Step + signal is active high.
Signal levels: Low
≤
1.0VDC @ -30mA, High
≥
3.5VDC @ +30mA.
2
OUT
Step 1 Return –
Differential output. Step (pulse) output to the drive for Axis 1. Step - signal is active low.
3
OUT
Direction 1 +
Differential output. (Can be used as single-ended output with some drives, in conjunction with GND pin)
High signal on Direction 1 + specifies motion in the positive direction for Axis 1; Low signal on Direction
1 + specifies motion in the negative direction for Axis 1.
Signal levels: Low
≤
1.0VDC @ -30mA, High
≥
3.5VDC @ +30mA.
4
OUT
Direction 1Return (–)
Differential output. Low signal on Direction 1 - specifies motion in the positive direction for Axis 1; High
signal on Direction 1 - specifies motion in the negative direction for Axis 1.
5
OUT
Step 2 +
Step (pulse) output to the drive for Axis 2. Same specs as Step 1 +
6
OUT
Step Return 2 (–)
Step (pulse) output to the drive for Axis 2. Same specs as Step 1 –
7
OUT
Direction 2 +
Specifies direction of motion for Axis 2; Same specs as Direction 1 +
8
OUT
Direction 2 Return (–)
Specifies direction of motion for Axis 2; Same specs as Direction 1 –
9
OUT
Step 3 +
Step (pulse) output to the drive for Axis 3. Same specs as Step 1 +
10
OUT
Step 3 Return (–)
Step (pulse) output to the drive for Axis 3. Same specs as Step 1 –
11
OUT
Direction 3 +
Specifies direction of motion for Axis 3; Same specs as Direction 1 +
12
OUT
Direction 3 Return (–)
Specifies direction of motion for Axis 3; Same specs as Direction 1 –
13
OUT
Step 4 +
Step (pulse) output to the drive for Axis 4. Same specs as Step 1 +
14
OUT
Step Return 4 (–)
Step (pulse) output to the drive for Axis 4. Same specs as Step 1 –
15
OUT
Direction 4 +
Specifies direction of motion for Axis 4; Same specs as Direction 1 +
16
OUT
Direction 4 Return (–)
Specifies direction of motion for Axis 4; Same specs as Direction 1 –
18
OUT
+5V
+5V from computer’s power supply
20
–
Ground
Logic ground
58
–
Shield
Connected to chassis (earth) ground within the computer chassis
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