![McCrometer ML255 Installation, Operation And Maintenance Manual Download Page 20](http://html.mh-extra.com/html/mccrometer/ml255/ml255_installation-operation-and-maintenance-manual_1753761020.webp)
ELECTRICAL CABLE CONNECTIONS
Copyright © 2018 McCrometer, Inc. All printed material should not be changed or altered without permission of McCrometer.
Any published technical data and instructions are subject to change without notice. Contact your McCrometer representative
for current technical data and instructions.
www.mccrometer.com
3255 WEST STETSON AVENUE • HEMET, CALIFORNIA 92545 USA
Printed In The U.S.A.
TEL: 951-652-6811 • 800-220-2279 • FAX: 951-652-3078
Lit. # 30122-46 Rev. 1.2 / 5-31-18
18
5.7
Opto-Isolated Pulse Output Hook-Up
Both outputs are open drain outputs used to communicate with external devices.
•
Maximum switching voltage: 40 VDC
•
Maximum switching current: 100mA
•
Maximum Ron = 70Ω
•
Maximum switching frequency (load RL=240Ω, VOUT=24VDC): 50Hz
•
Isolation: 500 V
i
IMPORTANT
Outputs are not isolated from each other. All outputs MUST use the same power source.
Figure 17. Opto-Isolated Pulse Output Diagram
OUT 1
OUT 2
COMMON EMITTER
OPTO ISOLATED OUTPUTS
15
16
17
5.8
Opto-Isolated Pulse Input
•
Opto-isolated pulse input
•
500 V isolation
•
3-40 VDC on voltage
•
Input programming per input menu, will perform functions set to ON.
Input example:
Figure 18. Opto-Isolated Pulse Input Diagram
10K
24V
+
-
Push button
switch
5
6
3-40 VDC