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System installation, Warning, 3 mute lamp output (ml) – Banner MMD-TA-11B Muting Modules User Manual

Page 22: 4 auxiliary output (aux), 5 override switch hookup

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20

P/N 116390 rev. C

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com • Tel: 763.544.3164

MMD-TA-11B / MMD-TA-12B Muting Module

Instruction Manual

System Installation

Override A

Override B

X9

X10

X11

X12

Figure 3-12. Override switch hookup

WARNING . . .

Limit Use of Override

Function

The Override function is not for machine setup

or production; it is to be used only to clear the primary
safeguard if material becomes “stuck,” preventing
its reset. When Override is used, it is the user’s
responsibility to install and use it according to current
standards.
In addition, the requirements listed in standards
ANSI NFPA 79 and IEC/EN 60204-1 must be satisfied.

Mute

Lamp

X3

X4

+

+

-

+V

0V

Z4

Z3

Load

Figure 3-10. Mute Lamp output hookup

Figure 3-11b. AUX output hookup – MMD-TA-12B

3.5.3 Mute Lamp Output (ML)

The Mute Lamp output provides for the visible indication that the

safety device’s safeguarding function is muted. This indication

must be readily observable. Failure of this indication should be

detectable and prevent the safeguard from being muted, or the

operation of the indicator should be verified at suitable intervals

(see Section 1.13). The Mute Lamp output also flashes to

indicate an Override condition (see Section 1.16).
The Module can be configured for a monitored or non-monitored

mute lamp. It is the user’s responsibility to make sure that each

application meets local regulations. If the installation is governed

by UL regulations, the mute lamp must be monitored (SW7 =

OFF, banks A and B). This output may also be used as an input

to control logic (e.g., a PLC) if “non-monitored” is selected (SW7

= ON, banks A and B). The current draw of the mute lamp must

not exceed 360 mA. See Figure 3-10.

3.5.4 Auxiliary Output (AUX)

Model MMD-TA-11B: The non-safety-related output on this

model is a 24V ac/dc, 250 mA normally-closed relay contact.

See Output Specifications on page 9. See Figure 3-11a.
Model MMD-TA-12B: A non-safety-related PNP output is

available at terminals Z3–Z4. This monitoring output is for light-

duty, non-safety-related control functions, such as an input to

a programmable logic controller (PLC). This output follows the

OSSD outputs. Maximum current draw of the AUX output is

250 mA. See Figure 3-11b.

3.5.5 Override Switch Hookup

The Module provides connection terminals for the Override

switches (see Figure 3-12). See Section 1.16 and the warning

below before connecting switches.

V+

0V

K1

K2

31

32

Load

Figure 3-11a. AUX output hookup – MMD-TA-11B

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