MC521 PRO Control Box
42 Document # 204090 REV D • www.stanleyaccess.com • 1.800.7.ACCESS
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03.23.2017
Attachment 7
MC521 Pro Controls and Indicators
(Sheet 2 of 2)
ITEM
CONTROL/INDICATOR
DESCRIPTION
1
Motor 2 Connector P402
Motor No. 2 connector.
2
Power Connector J500
Connection point for incoming line, neutral, and common power wiring.
3
Fuse F500
Controller fuse-- 5 Amp, 250V.
4
Motor 1 Connector P401
Motor No. 1 connector.
5
Terminal Block Connector TB1
Connection point for Bodyguard-T, 24V power supply (Swing Guard T).
6
Terminal Block Connector TB2
Connection point for function switch (rotary or rocker).
Closed door function switch.
7
Terminal Block Connector TB6
Push plate outside.
8
Encoder 2 Connector J301
Encoder # 2 Connector.
9
Two Digit Display
Displays Controller Status. Also serves as the display for tune-in by push-
button switches and indicates encoder movement.
10 Encoder 1 Connector J300
Connection point for motor encoder No. 1.
11
Up Pushbutton Switch SW300
Used manual setup and tuning of door when PDA is not available.
12
Down Pushbutton Switch
SW301
Used for manual setup and tuning of door when PDA is not available.
13 Enter Pushbutton Switch SW302 Used for manual setup and tuning of door when PDA is not available.
14 COM1 Jack
RS232 COM1 connector. Connection point for PDA harness.
15
COM2 Jack
RS232 COM2 connector. Not used.
16 Terminal Block Connector TB7
Includes RS485 and AUX DC supply. Do not populate TB7 until
further notice.
17 Terminal Block Connector TB5
Hold Beam, Electric Strike, Swing Guard T operate signal.
18 Terminal Block Connector TB4
Connection point for operate sensor, safety sensor and push plate.
19
Terminal Block Connector TB3
Connection point for Stanguard, safety sensor, stall sensor, and breakout
switch. Using jumper wires across TB3 terminals 1 to 5 and 2 to 6,
internal transformer supplies power to multiple external sensors.
20
Jumper JP200
Keep jumper installed for all Swing And Bifold door installations.