Watlow PM LEGACY™ Limit Controller
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23
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Chapter 2 Install and Wire
Warning:
ç
Use National Electric (NEC)
or other country-specific
standard wiring and safety
practices when wiring and
connecting this controller to
a power source and to elec-
trical sensors or peripheral
devices. Failure to do so may
result in damage to equip-
ment and property, and/or
injury or loss of life.
Note:
Maximum wire size termina-
tion and torque rating:
• 0.0507 to 3.30 mm
2
(30 to
12 AWG) single-wire termi-
nation or two 1.31 mm
2
(16
AWG)
• 0.56 Nm (5.0 in-lb.) torque
Note:
Adjacent terminals may be
labeled differently, depending
on the model number.
Note:
To prevent damage to the
controller, do not connect
wires to unused terminals.
Note:
Maintain electrical isolation
between analog input 1, dig-
ital input-outputs, switched
dc/open collector outputs
and process outputs to pre-
vent ground loops.
Quencharc Note:
Switching pilot duty inductive
loads (relay coils, solenoids,
etc.) with the mechanical
relay, solid state relay or
open collector output options
requires use of an R.C. sup-
pressor.
Output 2, 4 Mechanical Relay, Form A
common
normally open
L_
K_
Slot B
• 5A at 240VÅ (ac) or 30VÎ
(dc) maximum resistive
load
• 20mA at 24V minimum
load
• 125VA pilot duty @
120/240V
(ac), 25VA at
24V
(ac)
• 100,000 cycles at rated
load
• Output does not supply
power
• For use with ac or dc
See Quencharc note
Outputs 2 and 4:
Output 2 PM[3,6] {L,M] _ _ [J]
- _ A _ _ G_ _
Output 4 PM[6] {L,M] _ _ J -
_ A _ [J] G_ _
L_
K_
Output 3, 4 Solid-State Relay, Form A
common
normally open
L_
K_
Slot B
• 0.5A at 20 to 264V
(ac) maximum resistive
load
• 20VA 120/240V
(ac)
pilot duty
• Opto-isolated, without
contact suppression
• Maximum off state leak-
age of 105µA
• Minimum holding current
of 10mA
• Output does not supply
power
• Do not use on dc loads.
See Quencharc note
Output 3 PM6[L,M] _ _J - _
A [K] _ G_ _
L_
K_
Содержание PM LEGACY PM3
Страница 119: ...Watlow PM LEGACY Limit Controller 119 Appendix...