Watlow PM LEGACY™ Limit Controller • 22 • 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 1, 3 Mechanical Relay, Form C
normally open
normally closed
common
L_
K_
J_
L2
K2
T1
S1
R1
Slot A, B
• 5A at 240V (ac) or 30V
(dc) maximum resistive
load
• 20mA at 24V minimum
load
• 125VA pilot duty at
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
Output 1 PM[3,6][L,M] _ [E]
J - _ A_ _G_ _
Output 3 PM6[L,M] _ _ J - _
A [E] _G_ _
normally open
common
normally closed
L
_
K
_
J
_
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