Watlow EZ-ZONE
®
ST
•
87
•
Appendix
EZ-ZONE ST Replacement Modules
S T R C
-
0 __ __ __
-
__ __ __ __
STRC-0
(Series ST Replacement Control Module)
- Output 1 is dedicated to controlling the internal Solid-State Relay.
- Includes 1 universal input and 2 outputs for heat, cool or alarm
Output 2, Digital I/O and Current Measurement
K
0.5 A solid-state relay
B
0.5 A solid-state relay with 2 digital i/o points
P
0.5 A solid-state relay with current measurement
E
0.5 A solid-state relay with 2 digital i/o points and current measurement
H
5 A mechanical relay form A
D
5 A mechanical relay form A, 2 digital i/o points
J
5 A mechanical relay form A, current measurement
C
5 A mechanical relay form A, 2 digital i/o points, current measurement
Integrated Limit Controller
1 universal input and 2 outputs
A
None
L
Limit control module (output 3, 5A, Form C mech. relay; out. 4, 2A, Form A mech. relay)
B
Terminal block access to mechanical contactor coil contacts
Power Supply for Mechanical Contactor
L - For use with mechanical contactor options AL, B1 and F1
H - For use with mechanical contactor options AH, B2, B3, F2 and F3
L
Low voltage power supply 24 to 28V
‡
(ac/dc)
H
High voltage power supply 100 to 240V
‡
(ac/dc)
Communications
A
Standard software to connect to pc software, remote user interface (RUI) and other EZ-ZONE devices
M
Modbus™ RTU communication port to connect to non-ST products
Firmware
Options
Original Model Includes a
Phase Angle SSR
SSR = M, N, P, R, S or T
Original Model Includes a
75A Heat Sink
Heat Sink = D, E or F
Original Model Includes
Profile Ramp & Soak
Firmware = P
B =
No
No
No
C =
No
No
Yes
D =
No
Yes
No
E =
Yes
No
No
F =
Yes
Yes
No
G =
No
Yes
Yes
H =
Yes
No
Yes
J =
Yes
Yes
Yes
Customization (logo, parameters, hardware, firmware)
AA
Standard
XX
{letters to be determined, consult factory}