Watlow Ez-Zone PM4 - Output 2 Mechanical Relay, Form a; Output 2 NO-ARC Relay, Form a; Output 2 Solid-State Relay, Form a

Watlow EZ-ZONE
®
PM PID Controller • 19 • Chapter 2 Install and Wire
Óç
Warning:
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)
• 0.8 Nm (7.0 lb.-in.) torque
Note:
Adjacent terminals may be
labeled differently, depend-
ing 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, digi-
tal input-outputs, switched
dc/open collector outputs and
process outputs to prevent
ground loops.
Note:
The control output common
terminal and the digital com-
mon terminal are referenced
to different voltages and
must remain isolated.
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 NO-ARC Relay, Form A
common
normally open
L2
K2
Slot A
• 15Aat85to264VÅ (ac) resis-
tive load only
• 1/16DINmodelsonly
• 2,000,000cycleratingforNO-
ARC circuit
• 100mAminimumload
• 2mAmaximumoffstateleakage
• Donotuseondcloads.
• Outputdoesnotsupplypower.
PM [4, 6, 8, 9] _ _ _ [H]-_ AAAA
_ _
L
_
K
_
Output 2 Mechanical Relay, Form A
common
normally open
L2
K2
Slot A
• 5Aat240VÅ (ac) or 30VÎ (dc)
maximum resistive load
• 20mVat24Vminimumload
• 125VApilotduty@120/240VÅ
(ac), 25 VA at 24VÅ (ac)
• 100,000cyclesatratedload
• Outputdoesnotsupplypower.
• forusewithacordc
See Quencharc note.
PM _ _ _ _ [J]-_ AAAA _ _
L
_
K
_
Output 2 Solid-state Relay, Form A
Solid-state Relay
(Ouput 2)
common
normally open
L1
K1
J1
L2
K2
T1
S1
R1
Slot A
• 0.5Aat20to264VÅ (ac) maxi-
mum resistive load
•20VA120/240VÅ (ac) pilot duty
•opto-isolated,withoutcontact
suppression
• maximumoffstateleakageof
105 microamperes
• Outputdoesnotsupplypower.
• Donotuseondcloads.
See Quencharc note.
PM _ _ _ _ [K]-_ AAAA _ _
L
_
K
_
1.1
0
-20
50
40
30
20100
-10
60 70
Amps RMS
Ambient Temperatue (
o
C)
0.1
1
0.2
0.9
0.3
0.4
0.5
0.6
0.7
0.8
1 Amp SSR Derating Curve
Safe Operating Area