13
5. Position the setpoint option board on the spacers so the ribbon cable points away from the
notch on the option-mounting bracket. Carefully press the analog output option onto the
spacers.
6. Install the (4) nylon hex nuts to secure the option board. Refer to Figure 2-3 for details.
7. If an analog output option is also being used, connect the 6" option ribbon cable from J1 of
the setpoint option board to J1 of the analog output option board.
8. Connect the 22-30-25520 6.5" ribbon cable (optional) to from J2 of the setpoint board to J3
of the main board.
9. Install the option-mounting bracket in the Model 370/375 enclosure. Refer to page 13 for
option mounting bracket installation instructions.
10. Connect all necessary wiring to the setpoint option board.
11. Reinstall the enclosure bottom plate.
SETPOINT CARD CONNECTIONS
Using one of the software setpoint configurations (see General Setpoint Setup on page 36) in
conjunction with the setpoint option board gives the Model 370/375 the ability to directly control
external devices such as valves, relays, actuators, etc.
There are up to three setpoint outputs available. The activation and deactivation is controlled by
the setpoint configuration. The outputs are capable of driving up to one Amp at 20-280VAC & 2
Amp at 3-60VDC. The solid state relays are normally open (NO) contacts.
O
O
p
p
t
t
i
i
o
o
n
n
M
M
o
o
u
u
n
n
t
t
i
i
n
n
g
g
B
B
r
r
a
a
c
c
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The option mounting bracket kit (24370B-300A0) is required for option installation. The bracket
will accommodate up to four options. The options installed on the option-mounting bracket are the
Analog Output and Setpoint. The options mount on the bracket with the hardware provided with
each option kit.
Quantity Part Number Description
1 44-25-43147 Mounting Plate
8 17-20-2107 Nylon spacers
2 38-31-8710 Mounting Plate bolts
8 38-24-1500 Nylon nuts
Installation Instructions
1. DISCONNECT POWER! UNPLUG THE MODEL 370/375 TO INSURE DAMAGE WILL NOT
OCCUR DURING OPTION INSTALLATION.
2. Install all options on the mounting bracket. Refer to the specific option section for installation
instructions.
3. Remove the (6) 38-31-8710 M5 x 0.8 x 10 mm screws from the enclosure bottom plate and
set it aside.
4. Use the (2) M5 self-tapping screws to fasten the option-mounting bracket to the Model
370/375 enclosure. For the installation drawing refer to Figure 2-3.
5. Reinstall the enclosure bottom plate.
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