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Chapter 3
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3.6. Brake / Mechanical Relay (TB206)
The relay can be used to automatically control a fail-safe brake on a vertical axis. It can also be used as a
general purpose relay.
The brake output can be software configured; refer to the Ensemble Help file for more information (see topics
for the EnableBrakeControl parameter and the BRAKE command).
When TB206 is used to power the mechanical brake control relay, the solid state brake control relay (TB103)
should not be used.
3.6.1. Brake Configuration Jumpers
The configuration of JP1 (
Table 3-19
) allows either the Brake + or the Brake - output to be switched by the
relay and connected at the Motor Feedback connector or for the brake to be connected at TB206. Refer to
Section 3.6.3.
for more information.
JP1 is located on the -IO board (refer to
Chapter 3
).
Table 3-19:
-IO Expansion Board Brake Jumper Configuration
Jumper
Setting
Description
JP1
1-2, 3-4
Switch Brake +
5-6, 7-8
(1)
Switch Brake -
1-3
Relay Only
(1) default
3.6.2. Mechanical Relay Specifications
The user must verify that the application will be within the specifications of the Brake/Relay contacts.
Table 3-20:
Voltage and Current Specifications (TB206)
Relay K1 Contact Ratings
Maximum Switched Voltage
150 VDC, 125 VAC
Maximum Switched Current
1A
Maximum Carrying Current
1A
Maximum Switched Power
30 W (DC), 60 VA (AC)
N O T E :
The maximum power that may be switched is voltage dependent.
Initial Contact Resistance
50 milliohms max @ 10 mA, 6 VDC
N O T E :
Do not exceed Maximum Current or Maximum Power specifications.
Ensemble CP
-IO Expansion Board
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