Rockwell Automation 20C-DG01 PowerFlex 700H AC Drive Safe Torque Off Option User Manual
Page 17
Rockwell Automation Publication 20C-UM001B-EN-P - June 2011
17
Installation and Wiring Chapter 2
Table 2 - Safe Torque Off Option Board Terminal Descriptions
Figure 1 - Safe Torque Off Drive Circuitry
Term. Blk. No. Signal
Description
X5
1
SD1+
Isolated Disable input 1 +24V +/-20% 10... 15 mA
2
SD1–
Virtual GND 1
3
SD2+
Isolated Disable input 2 +24V +/-20% 10... 15 mA
4
SD2–
Virtual GND 2
X2
(1)
21
Digital Out 1 - N.C.
Max. Resistive Load:
240V AC / 30V DC - 1200 VA, 150 W
Max. Current: 5A, Min. Load: 10 mA
Max. Inductive Load:
240V AC / 30V DC - 8400 VA, 105 W
Max. Current: 3.5 A, Min. Load: 10 mA
22
Digital Out 1 Common
23
Digital Out 1 - N.O.
X3
(1)
25
Digital Out 2 Common
26
Digital Out 2 N.O.
X7
(1)
28
TI1+
Thermistor input: R
trip
≥
4.0 k
Ω
(PTC)
29
TI1–
(1) This terminal block is not used as part of the Safe Torque Off function.
21 22 23
25 26
1 2 3 4
28 29
ON OFF
X10
X5
X2
X3
X7
IMPORTANT
The drive will not run unless a wire is installed in the hardware
thermistor input (X7-28 and X7-29) and the thermistor short circuit
supervisor jumper X10 is installed in the OFF position.
PowerFlex 700H Control Unit
PowerFlex 700H
Power Unit
PWM
Control
M
Micro-
controller
H
a
rdw
a
re
Sa
fe-Off 1
H
a
rdw
a
re
Sa
fe-Off 2
S
D1+
S
D1-
S
D2+
S
D2-
=
3~
Sa
fe-Off
Option Bo
a
rd